{ "version": "2.2", "instance": { "filing11583.htm": { "nsprefix": "fmr", "nsuri": "http://www.fidelity.com/20260429", "dts": { "inline": { "local": [ "filing11583.htm" ] }, "schema": { "local": [ "fmr-20260429.xsd" ], "remote": [ "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd", "http://www.xbrl.org/lrr/arcrole/deprecated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd", "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd", "https://www.xbrl.org/dtr/type/2024-01-31/types.xsd", "https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd", "https://xbrl.fasb.org/srt/2025/elts/srt-roles-2025.xsd", "https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd", "https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd", "https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd", "https://xbrl.fasb.org/us-gaap/2025/elts/us-types-2025.xsd", "https://xbrl.sec.gov/country/2025/country-2025.xsd", "https://xbrl.sec.gov/country/2025/country-2025_def.xsd", "https://xbrl.sec.gov/dei/2025/dei-2025.xsd", "https://xbrl.sec.gov/oef/2025/oef-2025.xsd", "https://xbrl.sec.gov/stpr/2025/stpr-2025.xsd" ] }, "calculationLink": { "local": [ "fmr-20260429_cal.xml" ] }, "definitionLink": { "local": [ "fmr-20260429_def.xml" ] }, "labelLink": { "local": [ "fmr-20260429_lab.xml" ] }, "presentationLink": { "local": [ "fmr-20260429_pre.xml" ] } }, "keyStandard": 69, "keyCustom": 0, "axisStandard": 5, "axisCustom": 0, "memberStandard": 5, "memberCustom": 206, "hidden": { "total": 6, "http://xbrl.sec.gov/dei/2025": 6 }, "contextCount": 1457, "entityCount": 1, "segmentCount": 211, "elementCount": 360, "unitCount": 2, "baseTaxonomies": { "http://xbrl.sec.gov/oef/2025": 4074, "http://xbrl.sec.gov/dei/2025": 6 }, "report": { "R1": { "role": "http://www.fidelity.com/role/DocumentInformation", "longName": "000000 - Document - Document and Entity Information", "shortName": "Document and Entity Information", "isDefault": "true", "groupType": "document", "subGroupType": "", "menuCat": "Risk/Return", "order": "1", "firstAnchor": null, "uniqueAnchor": null }, "R2": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "longName": "000002 - Disclosure - Risk/Return Detail Data - FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "shortName": "Risk/Return Detail Data - FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "2", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R3": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "longName": "000004 - Disclosure - Risk/Return Detail Data - FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "shortName": "Risk/Return Detail Data - FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "3", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R4": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "longName": "000006 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "4", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R5": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "longName": "000008 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "5", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R6": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "longName": "000010 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "6", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R7": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "longName": "000012 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "7", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R8": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "longName": "000014 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "8", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R9": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "longName": "000016 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "9", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R10": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "longName": "000018 - Disclosure - Risk/Return Detail Data - SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "10", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R11": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "longName": "000020 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "11", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R12": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "longName": "000022 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "12", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R13": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "longName": "000024 - Disclosure - Risk/Return Detail Data - SelectConsumerDiscretionaryPortfolio-AMCIZPro", "shortName": "Risk/Return Detail Data - SelectConsumerDiscretionaryPortfolio-AMCIZPro", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "13", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R14": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "longName": "000026 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "14", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R15": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "longName": "000028 - Disclosure - Risk/Return Detail Data - SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "15", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R16": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "longName": "000030 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "16", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R17": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "longName": "000032 - Disclosure - Risk/Return Detail Data - SelectPortfoliosEnergyPortfolioPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosEnergyPortfolioPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "17", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R18": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "longName": "000034 - Disclosure - Risk/Return Detail Data - SelectEnergyPortfolio-AMCIZPro", "shortName": "Risk/Return Detail Data - SelectEnergyPortfolio-AMCIZPro", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "18", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R19": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "longName": "000036 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "19", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R20": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "longName": "000038 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "20", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R21": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "longName": "000040 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "21", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R22": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "longName": "000042 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "22", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R23": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "longName": "000044 - Disclosure - Risk/Return Detail Data - SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "23", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R24": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "longName": "000046 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "24", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R25": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "longName": "000048 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "25", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R26": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "longName": "000050 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "26", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R27": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "longName": "000052 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "27", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R28": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "longName": "000054 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "28", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R29": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "longName": "000056 - Disclosure - Risk/Return Detail Data - SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "29", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R30": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "longName": "000058 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "30", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R31": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "longName": "000060 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "31", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R32": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "longName": "000062 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "32", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R33": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "longName": "000064 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "33", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R34": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "longName": "000066 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "34", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R35": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "longName": "000068 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "35", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R36": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "longName": "000070 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "36", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R37": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "longName": "000072 - Disclosure - Risk/Return Detail Data - SelectTechnologyPortfolio-AMCIZPro", "shortName": "Risk/Return Detail Data - SelectTechnologyPortfolio-AMCIZPro", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "37", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R38": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "longName": "000074 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "38", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R39": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "longName": "000076 - Disclosure - Risk/Return Detail Data - SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "39", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R40": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "longName": "000078 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "40", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R41": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "longName": "000080 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup10-UtilitiesSector-PRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup10-UtilitiesSector-PRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "41", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R42": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "longName": "000082 - Disclosure - Risk/Return Detail Data - SelectUtilitiesPortfolio-AMCIZPro", "shortName": "Risk/Return Detail Data - SelectUtilitiesPortfolio-AMCIZPro", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "42", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R43": { "role": "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "longName": "000084 - Disclosure - Risk/Return Detail Data - SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "shortName": "Risk/Return Detail Data - SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "43", "firstAnchor": { "contextRef": "Pid_S000007459_Cid_C000020433", "name": "oef:ManagementFeesOverAssets", "unitRef": "pure", "xsiNil": "false", "lang": null, "decimals": "6", "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true }, "uniqueAnchor": null }, "R44": { "role": "http://xbrl.sec.gov/rr/role/RiskReturn", "longName": "010002 - Disclosure - Investment Objectives and Goals", "shortName": "Investment Objectives and Goals", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "44", "firstAnchor": null, "uniqueAnchor": null }, "R45": { "role": "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "longName": "010003 - Disclosure - Fees and Expenses", "shortName": "Fees and Expenses", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "45", "firstAnchor": null, "uniqueAnchor": null }, "R46": { "role": "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "longName": "010004 - Disclosure - Investment Strategy", "shortName": "Investment Strategy", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "46", "firstAnchor": null, "uniqueAnchor": null }, "R47": { "role": "http://xbrl.sec.gov/rr/role/InvestmentRisks", "longName": "010005 - Disclosure - Investment Risks", "shortName": "Investment Risks", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "47", "firstAnchor": { "contextRef": "Pid_S000007459_contentCd_SELNR-PRO_RiskMember_RiskNondiversifiedStatusMember", "name": "oef:RiskTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "Pid_S000007459_contentCd_SELNR-PRO_RiskMember_RiskNondiversifiedStatusMember", "name": "oef:RiskTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "body", "html" ], "reportCount": 1, "baseRef": "filing11583.htm", "first": true, "unique": true } }, "R48": { "role": "http://xbrl.sec.gov/rr/role/PerformanceManagement", "longName": "010006 - Disclosure - Performance Management", "shortName": "Performance Management", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "48", "firstAnchor": null, "uniqueAnchor": null }, "R49": { "role": "http://xbrl.sec.gov/rr/role/ShareholderFeesData", "longName": "020010 - Disclosure - Shareholder Fees", "shortName": "Shareholder Fees", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "49", "firstAnchor": null, "uniqueAnchor": null }, "R50": { "role": "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "longName": "020020 - Disclosure - Annual Fund Operating Expenses", "shortName": "Annual Fund Operating Expenses", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "50", "firstAnchor": null, "uniqueAnchor": null }, "R51": { "role": "http://xbrl.sec.gov/rr/role/ExpenseExample", "longName": "020030 - Disclosure - Expense Example", "shortName": "Expense Example", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "51", "firstAnchor": null, "uniqueAnchor": null }, "R52": { "role": "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "longName": "020040 - Disclosure - Expense Example, No Redemption", "shortName": "Expense Example, No Redemption", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "52", "firstAnchor": null, "uniqueAnchor": null }, "R53": { "role": "http://xbrl.sec.gov/rr/role/BarChartData", "longName": "020050 - Disclosure - Annual Total Returns", "shortName": "Annual Total Returns", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "53", "firstAnchor": null, "uniqueAnchor": null }, "R54": { "role": "http://xbrl.sec.gov/rr/role/PerformanceTableData", "longName": "020060 - Disclosure - Average Annual Total Returns", "shortName": "Average Annual Total Returns", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Risk/Return", "order": "54", "firstAnchor": null, "uniqueAnchor": null } }, "tag": { "oef_AcquiredFundFeesAndExpensesBasedOnEstimates": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "AcquiredFundFeesAndExpensesBasedOnEstimates", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Acquired Fund Fees and Expenses, Based on Estimates [Text]" } } }, "auth_ref": [ "r26" ] }, "oef_AcquiredFundFeesAndExpensesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "AcquiredFundFeesAndExpensesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_ExpensesOverAssets", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Acquired Fund Fees and Expenses" } } }, "auth_ref": [ "r25" ] }, "oef_AfterTaxesOnDistributionsAndSalesMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "AfterTaxesOnDistributionsAndSalesMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "After Taxes on Distributions and Sales" } } }, "auth_ref": [ "r45" ] }, "oef_AfterTaxesOnDistributionsMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "AfterTaxesOnDistributionsMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "After Taxes on Distributions" } } }, "auth_ref": [ "r45" ] }, "oef_AllRisksMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "AllRisksMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "All Risks [Member]" } } }, "auth_ref": [ "r34" ] }, "dei_AmendmentDescription": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "AmendmentDescription", "presentation": [ "http://www.fidelity.com/role/DocumentInformation" ], "lang": { "en-us": { "role": { "label": "Amendment Description", "documentation": "Description of changes contained within amended document." } } }, "auth_ref": [] }, "dei_AmendmentFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "AmendmentFlag", "presentation": [ "http://www.fidelity.com/role/DocumentInformation" ], "lang": { "en-us": { "role": { "label": "Amendment Flag", "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission." } } }, "auth_ref": [] }, "oef_AnnlRtrPct": { "xbrltype": "pureItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "AnnlRtrPct", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Annual Return [Percent]" } } }, "auth_ref": [ "r41" ] }, "oef_AnnualReturnCaption": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "AnnualReturnCaption", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Annual Return Caption [Text]" } } }, "auth_ref": [ "r43" ] }, "oef_AnnualReturnColumnName": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "AnnualReturnColumnName", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Annual Return, Column [Optional Text]" } } }, "auth_ref": [ "r42" ] }, "oef_AnnualReturnInceptionDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "AnnualReturnInceptionDate", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Annual Return, Inception Date" } } }, "auth_ref": [ "r41" ] }, "fmr_AutomotiveIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "AutomotiveIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "AutomotiveIndustryConcentrationMember", "verboseLabel": "AutomotiveIndustryConcentrationMember", "terseLabel": "AutomotiveIndustryConcentrationMember" } } }, "auth_ref": [] }, "oef_AverageAnnualReturnCaption": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "AverageAnnualReturnCaption", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Average Annual Return, Caption [Optional Text]" } } }, "auth_ref": [ "r45" ] }, "oef_AverageAnnualReturnColumnName": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "AverageAnnualReturnColumnName", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Average Annual Return, Column Name [Optional Text]" } } }, "auth_ref": [ "r45" ] }, "oef_AverageAnnualReturnLabel": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "AverageAnnualReturnLabel", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Average Annual Return, Label [Optional Text]" } } }, "auth_ref": [ "r45" ] }, "oef_AvgAnnlRtrPct": { "xbrltype": "percentItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "AvgAnnlRtrPct", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Average Annual Return, Percent" } } }, "auth_ref": [ "r7" ] }, "fmr_BankingIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "BankingIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "BankingIndustryConcentrationMember", "verboseLabel": "BankingIndustryConcentrationMember", "terseLabel": "BankingIndustryConcentrationMember" } } }, "auth_ref": [] }, "oef_BarChartAndPerformanceTableHeading": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "BarChartAndPerformanceTableHeading", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Bar Chart and Performance Table [Heading]" } } }, "auth_ref": [ "r39" ] }, "oef_BarChartClosingTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "BarChartClosingTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Bar Chart Closing [Text Block]" } } }, "auth_ref": [ "r41" ] }, "oef_BarChartDoesNotReflectSalesLoads": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "BarChartDoesNotReflectSalesLoads", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Bar Chart Does Not Reflect Sales Loads [Text]" } } }, "auth_ref": [ "r41" ] }, "oef_BarChartFootnotesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "BarChartFootnotesTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Bar Chart Footnotes [Text Block]" } } }, "auth_ref": [ "r46" ] }, "oef_BarChartHeading": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "BarChartHeading", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Bar Chart [Heading]" } } }, "auth_ref": [ "r41" ] }, "oef_BarChartHighestQuarterlyReturn": { "xbrltype": "pureItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "BarChartHighestQuarterlyReturn", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Highest Quarterly Return" } } }, "auth_ref": [ "r41" ] }, "oef_BarChartHighestQuarterlyReturnDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "BarChartHighestQuarterlyReturnDate", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Highest Quarterly Return, Date" } } }, "auth_ref": [ "r41" ] }, "oef_BarChartLowestQuarterlyReturn": { "xbrltype": "pureItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "BarChartLowestQuarterlyReturn", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Lowest Quarterly Return" } } }, "auth_ref": [ "r41" ] }, "oef_BarChartLowestQuarterlyReturnDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "BarChartLowestQuarterlyReturnDate", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Lowest Quarterly Return, Date" } } }, "auth_ref": [ "r41" ] }, "oef_BarChartNarrativeTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "BarChartNarrativeTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Bar Chart Narrative [Text Block]" } } }, "auth_ref": [ "r41" ] }, "oef_BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "BarChartReasonSelectedClassDifferentFromImmediatelyPrecedingPeriod", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Bar Chart, Reason Selected Class Different from Immediately Preceding Period [Text]" } } }, "auth_ref": [ "r44" ] }, "oef_BarChartReturnsForClassNotOfferedInProspectus": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "BarChartReturnsForClassNotOfferedInProspectus", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Bar Chart, Returns for Class Not Offered in Prospectus [Text]" } } }, "auth_ref": [ "r43" ] }, "oef_BarChartYearToDateReturn": { "xbrltype": "pureItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "BarChartYearToDateReturn", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Bar Chart, Year to Date Return" } } }, "auth_ref": [ "r41" ] }, "oef_BarChartYearToDateReturnDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "BarChartYearToDateReturnDate", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Bar Chart, Year to Date Return, Date" } } }, "auth_ref": [ "r41" ] }, "fmr_BiotechnologyIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "BiotechnologyIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "BiotechnologyIndustryConcentrationMember", "verboseLabel": "BiotechnologyIndustryConcentrationMember", "terseLabel": "BiotechnologyIndustryConcentrationMember" } } }, "auth_ref": [] }, "fmr_BrokerageAndInvestmentManagementIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "BrokerageAndInvestmentManagementIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "BrokerageAndInvestmentManagementIndustryConcentrationMember", "verboseLabel": "BrokerageAndInvestmentManagementIndustryConcentrationMember", "terseLabel": "BrokerageAndInvestmentManagementIndustryConcentrationMember" } } }, "auth_ref": [] }, "fmr_C000020428Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020428Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Consumer Discretionary Portfolio Select Consumer Discretionary Portfolio", "verboseLabel": "Select Consumer Discretionary Portfolio", "terseLabel": "Select Consumer Discretionary Portfolio" } } }, "auth_ref": [] }, "fmr_C000020430Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020430Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Defense and Aerospace Portfolio Select Defense and Aerospace Portfolio", "verboseLabel": "Select Defense and Aerospace Portfolio", "terseLabel": "Select Defense and Aerospace Portfolio" } } }, "auth_ref": [] }, "fmr_C000020432Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020432Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Semiconductors Portfolio Select Semiconductors Portfolio", "verboseLabel": "Select Semiconductors Portfolio", "terseLabel": "Select Semiconductors Portfolio" } } }, "auth_ref": [] }, "fmr_C000020433Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020433Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Energy Portfolio Select Energy Portfolio", "verboseLabel": "Select Energy Portfolio", "terseLabel": "Select Energy Portfolio" } } }, "auth_ref": [] }, "fmr_C000020435Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020435Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Fidelity Environment and Alternative Energy Fund Fidelity Environment and Alternative Energy Fund", "verboseLabel": "Fidelity Environment and Alternative Energy Fund", "terseLabel": "Fidelity Environment and Alternative Energy Fund" } } }, "auth_ref": [] }, "fmr_C000020436Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020436Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Financials Portfolio Select Financials Portfolio", "verboseLabel": "Select Financials Portfolio", "terseLabel": "Select Financials Portfolio" } } }, "auth_ref": [] }, "fmr_C000020437Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020437Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Consumer Staples Portfolio Select Consumer Staples Portfolio", "verboseLabel": "Select Consumer Staples Portfolio", "terseLabel": "Select Consumer Staples Portfolio" } } }, "auth_ref": [] }, "fmr_C000020438Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020438Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Automotive Portfolio Select Automotive Portfolio", "verboseLabel": "Select Automotive Portfolio", "terseLabel": "Select Automotive Portfolio" } } }, "auth_ref": [] }, "fmr_C000020439Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020439Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Gold Portfolio Select Gold Portfolio", "verboseLabel": "Select Gold Portfolio", "terseLabel": "Select Gold Portfolio" } } }, "auth_ref": [] }, "fmr_C000020440Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020440Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Health Care Portfolio Select Health Care Portfolio", "verboseLabel": "Select Health Care Portfolio", "terseLabel": "Select Health Care Portfolio" } } }, "auth_ref": [] }, "fmr_C000020441Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020441Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select FinTech Portfolio Select FinTech Portfolio", "verboseLabel": "Select FinTech Portfolio", "terseLabel": "Select FinTech Portfolio" } } }, "auth_ref": [] }, "fmr_C000020443Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020443Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Materials Portfolio Select Materials Portfolio", "verboseLabel": "Select Materials Portfolio", "terseLabel": "Select Materials Portfolio" } } }, "auth_ref": [] }, "fmr_C000020444Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020444Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Insurance Portfolio Select Insurance Portfolio", "verboseLabel": "Select Insurance Portfolio", "terseLabel": "Select Insurance Portfolio" } } }, "auth_ref": [] }, "fmr_C000020445Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020445Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Leisure Portfolio Select Leisure Portfolio", "verboseLabel": "Select Leisure Portfolio", "terseLabel": "Select Leisure Portfolio" } } }, "auth_ref": [] }, "fmr_C000020446Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020446Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Health Care Services Portfolio Select Health Care Services Portfolio", "verboseLabel": "Select Health Care Services Portfolio", "terseLabel": "Select Health Care Services Portfolio" } } }, "auth_ref": [] }, "fmr_C000020447Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020447Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Medical Technology and Devices Portfolio Select Medical Technology and Devices Portfolio", "verboseLabel": "Select Medical Technology and Devices Portfolio", "terseLabel": "Select Medical Technology and Devices Portfolio" } } }, "auth_ref": [] }, "fmr_C000020449Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020449Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Banking Portfolio Select Banking Portfolio", "verboseLabel": "Select Banking Portfolio", "terseLabel": "Select Banking Portfolio" } } }, "auth_ref": [] }, "fmr_C000020450Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020450Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Communication Services Portfolio Select Communication Services Portfolio", "verboseLabel": "Select Communication Services Portfolio", "terseLabel": "Select Communication Services Portfolio" } } }, "auth_ref": [] }, "fmr_C000020452Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020452Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Fidelity Natural Resources Fund Fidelity Natural Resources Fund", "verboseLabel": "Fidelity Natural Resources Fund", "terseLabel": "Fidelity Natural Resources Fund" } } }, "auth_ref": [] }, "fmr_C000020455Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020455Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Pharmaceuticals Portfolio Select Pharmaceuticals Portfolio", "verboseLabel": "Select Pharmaceuticals Portfolio", "terseLabel": "Select Pharmaceuticals Portfolio" } } }, "auth_ref": [] }, "fmr_C000020456Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020456Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Retailing Portfolio Select Retailing Portfolio", "verboseLabel": "Select Retailing Portfolio", "terseLabel": "Select Retailing Portfolio" } } }, "auth_ref": [] }, "fmr_C000020457Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020457Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Software and IT Services Portfolio Select Software and IT Services Portfolio", "verboseLabel": "Select Software and IT Services Portfolio", "terseLabel": "Select Software and IT Services Portfolio" } } }, "auth_ref": [] }, "fmr_C000020458Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020458Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Technology Portfolio Select Technology Portfolio", "verboseLabel": "Select Technology Portfolio", "terseLabel": "Select Technology Portfolio" } } }, "auth_ref": [] }, "fmr_C000020459Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020459Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Telecommunications Portfolio Select Telecommunications Portfolio", "verboseLabel": "Select Telecommunications Portfolio", "terseLabel": "Select Telecommunications Portfolio" } } }, "auth_ref": [] }, "fmr_C000020460Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020460Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Biotechnology Portfolio Select Biotechnology Portfolio", "verboseLabel": "Select Biotechnology Portfolio", "terseLabel": "Select Biotechnology Portfolio" } } }, "auth_ref": [] }, "fmr_C000020461Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020461Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Transportation Portfolio Select Transportation Portfolio", "verboseLabel": "Select Transportation Portfolio", "terseLabel": "Select Transportation Portfolio" } } }, "auth_ref": [] }, "fmr_C000020462Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020462Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Utilities Portfolio Select Utilities Portfolio", "verboseLabel": "Select Utilities Portfolio", "terseLabel": "Select Utilities Portfolio" } } }, "auth_ref": [] }, "fmr_C000020463Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020463Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Wireless Portfolio Select Wireless Portfolio", "verboseLabel": "Select Wireless Portfolio", "terseLabel": "Select Wireless Portfolio" } } }, "auth_ref": [] }, "fmr_C000020464Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020464Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Brokerage and Investment Management Portfolio Select Brokerage and Investment Management Portfolio", "verboseLabel": "Select Brokerage and Investment Management Portfolio", "terseLabel": "Select Brokerage and Investment Management Portfolio" } } }, "auth_ref": [] }, "fmr_C000020465Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020465Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Enterprise Technology Services Portfolio Select Enterprise Technology Services Portfolio", "verboseLabel": "Select Enterprise Technology Services Portfolio", "terseLabel": "Select Enterprise Technology Services Portfolio" } } }, "auth_ref": [] }, "fmr_C000020466Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020466Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Chemicals Portfolio Select Chemicals Portfolio", "verboseLabel": "Select Chemicals Portfolio", "terseLabel": "Select Chemicals Portfolio" } } }, "auth_ref": [] }, "fmr_C000020467Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020467Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Tech Hardware Portfolio Select Tech Hardware Portfolio", "verboseLabel": "Select Tech Hardware Portfolio", "terseLabel": "Select Tech Hardware Portfolio" } } }, "auth_ref": [] }, "fmr_C000020468Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000020468Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Construction and Housing Portfolio Select Construction and Housing Portfolio", "verboseLabel": "Select Construction and Housing Portfolio", "terseLabel": "Select Construction and Housing Portfolio" } } }, "auth_ref": [] }, "fmr_C000040616Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000040616Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Consumer Staples Portfolio Fidelity Advisor Consumer Staples Fund - Class A", "verboseLabel": "Fidelity Advisor Consumer Staples Fund - Class A", "terseLabel": "Fidelity Advisor Consumer Staples Fund - Class A" } } }, "auth_ref": [] }, "fmr_C000040618Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000040618Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Consumer Staples Portfolio Fidelity Advisor Consumer Staples Fund - Class C", "verboseLabel": "Fidelity Advisor Consumer Staples Fund - Class C", "terseLabel": "Fidelity Advisor Consumer Staples Fund - Class C" } } }, "auth_ref": [] }, "fmr_C000040619Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000040619Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Consumer Staples Portfolio Fidelity Advisor Consumer Staples Fund - Class M", "verboseLabel": "Fidelity Advisor Consumer Staples Fund - Class M", "terseLabel": "Fidelity Advisor Consumer Staples Fund - Class M" } } }, "auth_ref": [] }, "fmr_C000040620Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000040620Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Consumer Staples Portfolio Fidelity Advisor Consumer Staples Fund - Class I", "verboseLabel": "Fidelity Advisor Consumer Staples Fund - Class I", "terseLabel": "Fidelity Advisor Consumer Staples Fund - Class I" } } }, "auth_ref": [] }, "fmr_C000040621Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000040621Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Gold Portfolio Fidelity Advisor Gold Fund - Class I", "verboseLabel": "Fidelity Advisor Gold Fund - Class I", "terseLabel": "Fidelity Advisor Gold Fund - Class I" } } }, "auth_ref": [] }, "fmr_C000040622Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000040622Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Gold Portfolio Fidelity Advisor Gold Fund - Class A", "verboseLabel": "Fidelity Advisor Gold Fund - Class A", "terseLabel": "Fidelity Advisor Gold Fund - Class A" } } }, "auth_ref": [] }, "fmr_C000040624Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000040624Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Gold Portfolio Fidelity Advisor Gold Fund - Class C", "verboseLabel": "Fidelity Advisor Gold Fund - Class C", "terseLabel": "Fidelity Advisor Gold Fund - Class C" } } }, "auth_ref": [] }, "fmr_C000040625Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000040625Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Gold Portfolio Fidelity Advisor Gold Fund - Class M", "verboseLabel": "Fidelity Advisor Gold Fund - Class M", "terseLabel": "Fidelity Advisor Gold Fund - Class M" } } }, "auth_ref": [] }, "fmr_C000040626Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000040626Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Materials Portfolio Fidelity Advisor Materials Fund - Class A", "verboseLabel": "Fidelity Advisor Materials Fund - Class A", "terseLabel": "Fidelity Advisor Materials Fund - Class A" } } }, "auth_ref": [] }, "fmr_C000040628Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000040628Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Materials Portfolio Fidelity Advisor Materials Fund - Class C", "verboseLabel": "Fidelity Advisor Materials Fund - Class C", "terseLabel": "Fidelity Advisor Materials Fund - Class C" } } }, "auth_ref": [] }, "fmr_C000040629Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000040629Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Materials Portfolio Fidelity Advisor Materials Fund - Class M", "verboseLabel": "Fidelity Advisor Materials Fund - Class M", "terseLabel": "Fidelity Advisor Materials Fund - Class M" } } }, "auth_ref": [] }, "fmr_C000040630Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000040630Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Materials Portfolio Fidelity Advisor Materials Fund - Class I", "verboseLabel": "Fidelity Advisor Materials Fund - Class I", "terseLabel": "Fidelity Advisor Materials Fund - Class I" } } }, "auth_ref": [] }, "fmr_C000040631Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000040631Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Telecommunications Portfolio Fidelity Advisor Telecommunications Fund - Class A", "verboseLabel": "Fidelity Advisor Telecommunications Fund - Class A", "terseLabel": "Fidelity Advisor Telecommunications Fund - Class A" } } }, "auth_ref": [] }, "fmr_C000040633Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000040633Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Telecommunications Portfolio Fidelity Advisor Telecommunications Fund - Class C", "verboseLabel": "Fidelity Advisor Telecommunications Fund - Class C", "terseLabel": "Fidelity Advisor Telecommunications Fund - Class C" } } }, "auth_ref": [] }, "fmr_C000040634Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000040634Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Telecommunications Portfolio Fidelity Advisor Telecommunications Fund - Class M", "verboseLabel": "Fidelity Advisor Telecommunications Fund - Class M", "terseLabel": "Fidelity Advisor Telecommunications Fund - Class M" } } }, "auth_ref": [] }, "fmr_C000040635Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000040635Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Telecommunications Portfolio Fidelity Advisor Telecommunications Fund - Class I", "verboseLabel": "Fidelity Advisor Telecommunications Fund - Class I", "terseLabel": "Fidelity Advisor Telecommunications Fund - Class I" } } }, "auth_ref": [] }, "fmr_C000205042Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000205042Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Consumer Staples Portfolio Fidelity Advisor Consumer Staples Fund - Class Z", "verboseLabel": "Fidelity Advisor Consumer Staples Fund - Class Z", "terseLabel": "Fidelity Advisor Consumer Staples Fund - Class Z" } } }, "auth_ref": [] }, "fmr_C000205043Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000205043Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Gold Portfolio Fidelity Advisor Gold Fund - Class Z", "verboseLabel": "Fidelity Advisor Gold Fund - Class Z", "terseLabel": "Fidelity Advisor Gold Fund - Class Z" } } }, "auth_ref": [] }, "fmr_C000205044Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000205044Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Materials Portfolio Fidelity Advisor Materials Fund - Class Z", "verboseLabel": "Fidelity Advisor Materials Fund - Class Z", "terseLabel": "Fidelity Advisor Materials Fund - Class Z" } } }, "auth_ref": [] }, "fmr_C000205045Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000205045Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Telecommunications Portfolio Fidelity Advisor Telecommunications Fund - Class Z", "verboseLabel": "Fidelity Advisor Telecommunications Fund - Class Z", "terseLabel": "Fidelity Advisor Telecommunications Fund - Class Z" } } }, "auth_ref": [] }, "fmr_C000206306Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000206306Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Communication Services Portfolio Fidelity Advisor Communication Services Fund - Class I", "verboseLabel": "Fidelity Advisor Communication Services Fund - Class I", "terseLabel": "Fidelity Advisor Communication Services Fund - Class I" } } }, "auth_ref": [] }, "fmr_C000206307Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000206307Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Communication Services Portfolio Fidelity Advisor Communication Services Fund - Class Z", "verboseLabel": "Fidelity Advisor Communication Services Fund - Class Z", "terseLabel": "Fidelity Advisor Communication Services Fund - Class Z" } } }, "auth_ref": [] }, "fmr_C000206308Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000206308Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Communication Services Portfolio Fidelity Advisor Communication Services Fund - Class A", "verboseLabel": "Fidelity Advisor Communication Services Fund - Class A", "terseLabel": "Fidelity Advisor Communication Services Fund - Class A" } } }, "auth_ref": [] }, "fmr_C000206309Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000206309Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Communication Services Portfolio Fidelity Advisor Communication Services Fund - Class M", "verboseLabel": "Fidelity Advisor Communication Services Fund - Class M", "terseLabel": "Fidelity Advisor Communication Services Fund - Class M" } } }, "auth_ref": [] }, "fmr_C000206310Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000206310Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Communication Services Portfolio Fidelity Advisor Communication Services Fund - Class C", "verboseLabel": "Fidelity Advisor Communication Services Fund - Class C", "terseLabel": "Fidelity Advisor Communication Services Fund - Class C" } } }, "auth_ref": [] }, "fmr_C000264530Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000264530Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Utilities Portfolio Fidelity Advisor Utilities Fund - Class M", "verboseLabel": "Fidelity Advisor Utilities Fund - Class M", "terseLabel": "Fidelity Advisor Utilities Fund - Class M" } } }, "auth_ref": [] }, "fmr_C000264531Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000264531Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Utilities Portfolio Fidelity Advisor Utilities Fund - Class I", "verboseLabel": "Fidelity Advisor Utilities Fund - Class I", "terseLabel": "Fidelity Advisor Utilities Fund - Class I" } } }, "auth_ref": [] }, "fmr_C000264532Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000264532Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Utilities Portfolio Fidelity Advisor Utilities Fund - Class A", "verboseLabel": "Fidelity Advisor Utilities Fund - Class A", "terseLabel": "Fidelity Advisor Utilities Fund - Class A" } } }, "auth_ref": [] }, "fmr_C000264533Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000264533Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Utilities Portfolio Fidelity Advisor Utilities Fund - Class Z", "verboseLabel": "Fidelity Advisor Utilities Fund - Class Z", "terseLabel": "Fidelity Advisor Utilities Fund - Class Z" } } }, "auth_ref": [] }, "fmr_C000264534Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000264534Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Utilities Portfolio Fidelity Advisor Utilities Fund - Class C", "verboseLabel": "Fidelity Advisor Utilities Fund - Class C", "terseLabel": "Fidelity Advisor Utilities Fund - Class C" } } }, "auth_ref": [] }, "fmr_C000265477Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000265477Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Consumer Discretionary Portfolio Fidelity Advisor Consumer Discretionary Fund - Class C", "verboseLabel": "Fidelity Advisor Consumer Discretionary Fund - Class C", "terseLabel": "Fidelity Advisor Consumer Discretionary Fund - Class C" } } }, "auth_ref": [] }, "fmr_C000265478Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000265478Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Consumer Discretionary Portfolio Fidelity Advisor Consumer Discretionary Fund - Class M", "verboseLabel": "Fidelity Advisor Consumer Discretionary Fund - Class M", "terseLabel": "Fidelity Advisor Consumer Discretionary Fund - Class M" } } }, "auth_ref": [] }, "fmr_C000265479Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000265479Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Consumer Discretionary Portfolio Fidelity Advisor Consumer Discretionary Fund - Class I", "verboseLabel": "Fidelity Advisor Consumer Discretionary Fund - Class I", "terseLabel": "Fidelity Advisor Consumer Discretionary Fund - Class I" } } }, "auth_ref": [] }, "fmr_C000265480Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000265480Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Consumer Discretionary Portfolio Fidelity Advisor Consumer Discretionary Fund - Class Z", "verboseLabel": "Fidelity Advisor Consumer Discretionary Fund - Class Z", "terseLabel": "Fidelity Advisor Consumer Discretionary Fund - Class Z" } } }, "auth_ref": [] }, "fmr_C000265481Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000265481Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Consumer Discretionary Portfolio Fidelity Advisor Consumer Discretionary Fund - Class A", "verboseLabel": "Fidelity Advisor Consumer Discretionary Fund - Class A", "terseLabel": "Fidelity Advisor Consumer Discretionary Fund - Class A" } } }, "auth_ref": [] }, "fmr_C000265482Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000265482Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Energy Portfolio Fidelity Advisor Energy Fund - Class I", "verboseLabel": "Fidelity Advisor Energy Fund - Class I", "terseLabel": "Fidelity Advisor Energy Fund - Class I" } } }, "auth_ref": [] }, "fmr_C000265483Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000265483Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Energy Portfolio Fidelity Advisor Energy Fund - Class Z", "verboseLabel": "Fidelity Advisor Energy Fund - Class Z", "terseLabel": "Fidelity Advisor Energy Fund - Class Z" } } }, "auth_ref": [] }, "fmr_C000265484Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000265484Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Energy Portfolio Fidelity Advisor Energy Fund - Class C", "verboseLabel": "Fidelity Advisor Energy Fund - Class C", "terseLabel": "Fidelity Advisor Energy Fund - Class C" } } }, "auth_ref": [] }, "fmr_C000265485Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000265485Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Energy Portfolio Fidelity Advisor Energy Fund - Class A", "verboseLabel": "Fidelity Advisor Energy Fund - Class A", "terseLabel": "Fidelity Advisor Energy Fund - Class A" } } }, "auth_ref": [] }, "fmr_C000265486Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000265486Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Energy Portfolio Fidelity Advisor Energy Fund - Class M", "verboseLabel": "Fidelity Advisor Energy Fund - Class M", "terseLabel": "Fidelity Advisor Energy Fund - Class M" } } }, "auth_ref": [] }, "fmr_C000265487Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000265487Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Technology Portfolio Fidelity Advisor Technology Fund - Class M", "verboseLabel": "Fidelity Advisor Technology Fund - Class M", "terseLabel": "Fidelity Advisor Technology Fund - Class M" } } }, "auth_ref": [] }, "fmr_C000265488Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000265488Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Technology Portfolio Fidelity Advisor Technology Fund - Class C", "verboseLabel": "Fidelity Advisor Technology Fund - Class C", "terseLabel": "Fidelity Advisor Technology Fund - Class C" } } }, "auth_ref": [] }, "fmr_C000265489Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000265489Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Technology Portfolio Fidelity Advisor Technology Fund - Class Z", "verboseLabel": "Fidelity Advisor Technology Fund - Class Z", "terseLabel": "Fidelity Advisor Technology Fund - Class Z" } } }, "auth_ref": [] }, "fmr_C000265490Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000265490Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Technology Portfolio Fidelity Advisor Technology Fund - Class I", "verboseLabel": "Fidelity Advisor Technology Fund - Class I", "terseLabel": "Fidelity Advisor Technology Fund - Class I" } } }, "auth_ref": [] }, "fmr_C000265491Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "C000265491Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Technology Portfolio Fidelity Advisor Technology Fund - Class A", "verboseLabel": "Fidelity Advisor Technology Fund - Class A", "terseLabel": "Fidelity Advisor Technology Fund - Class A" } } }, "auth_ref": [] }, "fmr_ChemicalsIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "ChemicalsIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "ChemicalsIndustryConcentrationMember", "verboseLabel": "ChemicalsIndustryConcentrationMember", "terseLabel": "ChemicalsIndustryConcentrationMember" } } }, "auth_ref": [] }, "oef_ClassAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ClassAxis", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Class [Axis]" } } }, "auth_ref": [ "r3" ] }, "fmr_CommunicationServicesConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "CommunicationServicesConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "CommunicationServicesConcentrationMember", "verboseLabel": "CommunicationServicesConcentrationMember", "terseLabel": "CommunicationServicesConcentrationMember" } } }, "auth_ref": [] }, "oef_Component1OtherExpensesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "Component1OtherExpensesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_OtherExpensesOverAssets", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "auth_ref": [ "r20" ] }, "oef_Component2OtherExpensesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "Component2OtherExpensesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_OtherExpensesOverAssets", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "auth_ref": [ "r20" ] }, "oef_Component3OtherExpensesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "Component3OtherExpensesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_OtherExpensesOverAssets", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "auth_ref": [ "r20" ] }, "fmr_ConstructionAndHousingIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "ConstructionAndHousingIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "ConstructionAndHousingIndustryConcentrationMember", "verboseLabel": "ConstructionAndHousingIndustryConcentrationMember", "terseLabel": "ConstructionAndHousingIndustryConcentrationMember" } } }, "auth_ref": [] }, "fmr_ConsumerDiscretionaryIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "ConsumerDiscretionaryIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "ConsumerDiscretionaryIndustryConcentrationMember", "verboseLabel": "ConsumerDiscretionaryIndustryConcentrationMember", "terseLabel": "ConsumerDiscretionaryIndustryConcentrationMember" } } }, "auth_ref": [] }, "fmr_ConsumerStaplesIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "ConsumerStaplesIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "ConsumerStaplesIndustryConcentrationMember", "verboseLabel": "ConsumerStaplesIndustryConcentrationMember", "terseLabel": "ConsumerStaplesIndustryConcentrationMember" } } }, "auth_ref": [] }, "fmr_DefenseAndAerospaceIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "DefenseAndAerospaceIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "DefenseAndAerospaceIndustryConcentrationMember", "verboseLabel": "DefenseAndAerospaceIndustryConcentrationMember", "terseLabel": "DefenseAndAerospaceIndustryConcentrationMember" } } }, "auth_ref": [] }, "oef_DistributionAndService12b1FeesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "DistributionAndService12b1FeesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_ExpensesOverAssets", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Distribution and Service (12b-1) Fees" } } }, "auth_ref": [ "r17" ] }, "oef_DistributionOrSimilarNon12b1FeesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "DistributionOrSimilarNon12b1FeesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_ExpensesOverAssets", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "auth_ref": [ "r17" ] }, "dei_DocumentDomain": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "DocumentDomain", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Prospectus", "documentation": "Type of the document as assigned by the filer, corresponding to SEC document naming convention standards." } } }, "auth_ref": [] }, "dei_DocumentInformationDocumentAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "DocumentInformationDocumentAxis", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Document [Axis]", "documentation": "The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table." } } }, "auth_ref": [] }, "dei_DocumentPeriodEndDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "DocumentPeriodEndDate", "presentation": [ "http://www.fidelity.com/role/DocumentInformation" ], "lang": { "en-us": { "role": { "label": "Document Period End Date", "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD." } } }, "auth_ref": [] }, "dei_DocumentType": { "xbrltype": "submissionTypeItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "DocumentType", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DocumentInformation", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Document Type", "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'." } } }, "auth_ref": [] }, "fmr_ElectronicsIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "ElectronicsIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "ElectronicsIndustryConcentrationMember", "verboseLabel": "ElectronicsIndustryConcentrationMember", "terseLabel": "ElectronicsIndustryConcentrationMember" } } }, "auth_ref": [] }, "fmr_EnergyIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "EnergyIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "EnergyIndustryConcentrationMember", "verboseLabel": "EnergyIndustryConcentrationMember", "terseLabel": "EnergyIndustryConcentrationMember" } } }, "auth_ref": [] }, "fmr_EnterpriseTechnologyServicesIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "EnterpriseTechnologyServicesIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "EnterpriseTechnologyServicesIndustryConcentrationMember", "verboseLabel": "EnterpriseTechnologyServicesIndustryConcentrationMember", "terseLabel": "EnterpriseTechnologyServicesIndustryConcentrationMember" } } }, "auth_ref": [] }, "dei_EntityCentralIndexKey": { "xbrltype": "centralIndexKeyItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityCentralIndexKey", "presentation": [ "http://www.fidelity.com/role/DocumentInformation" ], "lang": { "en-us": { "role": { "label": "Entity Central Index Key", "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK." } } }, "auth_ref": [ "r0" ] }, "dei_EntityDomain": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityDomain", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Series", "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains." } } }, "auth_ref": [] }, "dei_EntityInvCompanyType": { "xbrltype": "invCompanyType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityInvCompanyType", "presentation": [ "http://www.fidelity.com/role/DocumentInformation" ], "lang": { "en-us": { "role": { "label": "Entity Investment Company Type", "documentation": "One of: N-1A (Mutual Fund), N-1 (Open-End Separate Account with No Variable Annuities), N-2 (Closed-End Investment Company), N-3 (Separate Account Registered as Open-End Management Investment Company), N-4 (Variable Annuity UIT Separate Account), N-5 (Small Business Investment Company), N-6 (Variable Life UIT Separate Account), S-1 or S-3 (Face Amount Certificate Company), S-6 (UIT, Non-Insurance Product)." } } }, "auth_ref": [ "r56" ] }, "dei_EntityRegistrantName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityRegistrantName", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DocumentInformation" ], "lang": { "en-us": { "role": { "label": "Registrant Name", "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC." } } }, "auth_ref": [ "r0" ] }, "fmr_EnvironmentAndAlternativeEnergyIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "EnvironmentAndAlternativeEnergyIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "EnvironmentAndAlternativeEnergyIndustryConcentrationMember", "verboseLabel": "EnvironmentAndAlternativeEnergyIndustryConcentrationMember", "terseLabel": "EnvironmentAndAlternativeEnergyIndustryConcentrationMember" } } }, "auth_ref": [] }, "oef_ExchangeFee": { "xbrltype": "nonNegativeMonetaryItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExchangeFee", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "auth_ref": [ "r11" ] }, "oef_ExchangeFeeOverRedemption": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExchangeFeeOverRedemption", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "auth_ref": [ "r11" ] }, "oef_ExpenseBreakpointDiscounts": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseBreakpointDiscounts", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Breakpoint Discounts [Text]" } } }, "auth_ref": [ "r23" ] }, "oef_ExpenseBreakpointMinimumInvestmentRequiredAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseBreakpointMinimumInvestmentRequiredAmount", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Breakpoint, Minimum Investment Required [Amount]" } } }, "auth_ref": [ "r10" ] }, "oef_ExpenseExampleByYearCaption": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseExampleByYearCaption", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Example by, Year, Caption [Text]" } } }, "auth_ref": [ "r28" ] }, "oef_ExpenseExampleByYearHeading": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseExampleByYearHeading", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Example by Year [Heading]" } } }, "auth_ref": [ "r28" ] }, "oef_ExpenseExampleClosingTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseExampleClosingTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Example Closing [Text Block]" } } }, "auth_ref": [ "r28" ] }, "oef_ExpenseExampleFootnotesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseExampleFootnotesTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Example Footnotes [Text Block]" } } }, "auth_ref": [ "r28" ] }, "oef_ExpenseExampleHeading": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseExampleHeading", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Example [Heading]" } } }, "auth_ref": [ "r28" ] }, "oef_ExpenseExampleNarrativeTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseExampleNarrativeTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Example Narrative [Text Block]" } } }, "auth_ref": [ "r28" ] }, "oef_ExpenseExampleNoRedemptionByYearCaption": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseExampleNoRedemptionByYearCaption", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Example, No Redemption, By Year, Caption [Text]" } } }, "auth_ref": [ "r29" ] }, "oef_ExpenseExampleNoRedemptionNarrativeTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseExampleNoRedemptionNarrativeTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Example, No Redemption Narrative [Text Block]" } } }, "auth_ref": [ "r29" ] }, "oef_ExpenseExampleNoRedemptionYear01": { "xbrltype": "nonNegativeMonetaryItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseExampleNoRedemptionYear01", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Example, No Redemption, 1 Year" } } }, "auth_ref": [ "r29" ] }, "oef_ExpenseExampleNoRedemptionYear03": { "xbrltype": "nonNegativeMonetaryItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseExampleNoRedemptionYear03", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Example, No Redemption, 3 Years" } } }, "auth_ref": [ "r29" ] }, "oef_ExpenseExampleNoRedemptionYear05": { "xbrltype": "nonNegativeMonetaryItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseExampleNoRedemptionYear05", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Example, No Redemption, 5 Years" } } }, "auth_ref": [ "r29" ] }, "oef_ExpenseExampleNoRedemptionYear10": { "xbrltype": "nonNegativeMonetaryItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseExampleNoRedemptionYear10", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Example, No Redemption, 10 Years" } } }, "auth_ref": [ "r29" ] }, "oef_ExpenseExampleYear01": { "xbrltype": "nonNegativeMonetaryItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseExampleYear01", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Example, with Redemption, 1 Year" } } }, "auth_ref": [ "r28" ] }, "oef_ExpenseExampleYear03": { "xbrltype": "nonNegativeMonetaryItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseExampleYear03", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Example, with Redemption, 3 Years" } } }, "auth_ref": [ "r28" ] }, "oef_ExpenseExampleYear05": { "xbrltype": "nonNegativeMonetaryItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseExampleYear05", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Example, with Redemption, 5 Years" } } }, "auth_ref": [ "r28" ] }, "oef_ExpenseExampleYear10": { "xbrltype": "nonNegativeMonetaryItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseExampleYear10", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Example, with Redemption, 10 Years" } } }, "auth_ref": [ "r28" ] }, "oef_ExpenseFootnotesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseFootnotesTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Footnotes [Text Block]" } } }, "auth_ref": [ "r15" ] }, "oef_ExpenseHeading": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseHeading", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Heading [Optional Text]" } } }, "auth_ref": [ "r9" ] }, "oef_ExpenseNarrativeTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpenseNarrativeTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expense Narrative [Text Block]" } } }, "auth_ref": [ "r10" ] }, "oef_ExpensesDeferredChargesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpensesDeferredChargesTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expenses Deferred Charges [Text Block]" } } }, "auth_ref": [ "r12" ] }, "oef_ExpensesExplanationOfNonrecurringAccountFee": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpensesExplanationOfNonrecurringAccountFee", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expenses Explanation of Nonrecurring Account Fee [Text]" } } }, "auth_ref": [ "r14" ] }, "oef_ExpensesNotCorrelatedToRatioDueToAcquiredFundFees": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpensesNotCorrelatedToRatioDueToAcquiredFundFees", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expenses Not Correlated to Ratio Due to Acquired Fund Fees [Text]" } } }, "auth_ref": [ "r27" ] }, "oef_ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpensesOtherExpensesHadExtraordinaryExpensesBeenIncluded", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expenses Other Expenses Had Extraordinary Expenses Been Included [Text]" } } }, "auth_ref": [ "r19" ] }, "oef_ExpensesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpensesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_NetExpensesOverAssets", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expenses (as a percentage of Assets)" } } }, "auth_ref": [ "r21" ] }, "oef_ExpensesRangeOfExchangeFeesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpensesRangeOfExchangeFeesTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expenses Range of Exchange Fees [Text Block]" } } }, "auth_ref": [ "r13" ] }, "oef_ExpensesRestatedToReflectCurrent": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ExpensesRestatedToReflectCurrent", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Expenses Restated to Reflect Current [Text]" } } }, "auth_ref": [ "r22" ] }, "oef_FeeWaiverOrReimbursementOverAssets": { "xbrltype": "percentItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "FeeWaiverOrReimbursementOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_NetExpensesOverAssets", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Fee Waiver or Reimbursement" } } }, "auth_ref": [ "r24" ] }, "oef_FeeWaiverOrReimbursementOverAssetsDateOfTermination": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "FeeWaiverOrReimbursementOverAssetsDateOfTermination", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Fee Waiver or Reimbursement over Assets, Date of Termination" } } }, "auth_ref": [ "r24" ] }, "fmr_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPROMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPROMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "verboseLabel": "FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO" } } }, "auth_ref": [] }, "fmr_FinancialsIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "FinancialsIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "FinancialsIndustryConcentrationMember", "verboseLabel": "FinancialsIndustryConcentrationMember", "terseLabel": "FinancialsIndustryConcentrationMember" } } }, "auth_ref": [] }, "fmr_FintechIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "FintechIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "FintechIndustryConcentrationMember", "verboseLabel": "FintechIndustryConcentrationMember", "terseLabel": "FintechIndustryConcentrationMember" } } }, "auth_ref": [] }, "fmr_ForeignExposureMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "ForeignExposureMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "ForeignExposureMember", "verboseLabel": "ForeignExposureMember", "terseLabel": "ForeignExposureMember" } } }, "auth_ref": [] }, "fmr_GeographicExposureToAsiaMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "GeographicExposureToAsiaMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "GeographicExposureToAsiaMember", "verboseLabel": "GeographicExposureToAsiaMember", "terseLabel": "GeographicExposureToAsiaMember" } } }, "auth_ref": [] }, "fmr_GeographicExposureToCanadaMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "GeographicExposureToCanadaMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "GeographicExposureToCanadaMember", "verboseLabel": "GeographicExposureToCanadaMember", "terseLabel": "GeographicExposureToCanadaMember" } } }, "auth_ref": [] }, "fmr_GoldIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "GoldIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "GoldIndustryConcentrationMember", "verboseLabel": "GoldIndustryConcentrationMember", "terseLabel": "GoldIndustryConcentrationMember" } } }, "auth_ref": [] }, "fmr_HealthCareIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "HealthCareIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "HealthCareIndustryConcentrationMember", "verboseLabel": "HealthCareIndustryConcentrationMember", "terseLabel": "HealthCareIndustryConcentrationMember" } } }, "auth_ref": [] }, "fmr_HealthCareServicesIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "HealthCareServicesIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "HealthCareServicesIndustryConcentrationMember", "verboseLabel": "HealthCareServicesIndustryConcentrationMember", "terseLabel": "HealthCareServicesIndustryConcentrationMember" } } }, "auth_ref": [] }, "fmr_HighPortfolioTurnoverMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "HighPortfolioTurnoverMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "HighPortfolioTurnoverMember", "verboseLabel": "HighPortfolioTurnoverMember", "terseLabel": "HighPortfolioTurnoverMember" } } }, "auth_ref": [] }, "oef_HighestQuarterlyReturnLabel": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "HighestQuarterlyReturnLabel", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Highest Quarterly Return, Label [Optional Text]" } } }, "auth_ref": [ "r41" ] }, "fmr_IndexF1501Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1501Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1501", "verboseLabel": "F1501", "terseLabel": "F1501" } } }, "auth_ref": [] }, "fmr_IndexF1502Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1502Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1502", "verboseLabel": "F1502", "terseLabel": "F1502" } } }, "auth_ref": [] }, "fmr_IndexF1503Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1503Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1503", "verboseLabel": "F1503", "terseLabel": "F1503" } } }, "auth_ref": [] }, "fmr_IndexF1504Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1504Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1504", "verboseLabel": "F1504", "terseLabel": "F1504" } } }, "auth_ref": [] }, "fmr_IndexF1505Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1505Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1505", "verboseLabel": "F1505", "terseLabel": "F1505" } } }, "auth_ref": [] }, "fmr_IndexF1506Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1506Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1506", "verboseLabel": "F1506", "terseLabel": "F1506" } } }, "auth_ref": [] }, "fmr_IndexF1507Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1507Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1507", "verboseLabel": "F1507", "terseLabel": "F1507" } } }, "auth_ref": [] }, "fmr_IndexF1508Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1508Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1508", "verboseLabel": "F1508", "terseLabel": "F1508" } } }, "auth_ref": [] }, "fmr_IndexF1509Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1509Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1509", "verboseLabel": "F1509", "terseLabel": "F1509" } } }, "auth_ref": [] }, "fmr_IndexF1513Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1513Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1513", "verboseLabel": "F1513", "terseLabel": "F1513" } } }, "auth_ref": [] }, "fmr_IndexF1516Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1516Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1516", "verboseLabel": "F1516", "terseLabel": "F1516" } } }, "auth_ref": [] }, "fmr_IndexF1517Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1517Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1517", "verboseLabel": "F1517", "terseLabel": "F1517" } } }, "auth_ref": [] }, "fmr_IndexF1518Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1518Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1518", "verboseLabel": "F1518", "terseLabel": "F1518" } } }, "auth_ref": [] }, "fmr_IndexF1519Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1519Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1519", "verboseLabel": "F1519", "terseLabel": "F1519" } } }, "auth_ref": [] }, "fmr_IndexF1520Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1520Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1520", "verboseLabel": "F1520", "terseLabel": "F1520" } } }, "auth_ref": [] }, "fmr_IndexF1521Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1521Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1521", "verboseLabel": "F1521", "terseLabel": "F1521" } } }, "auth_ref": [] }, "fmr_IndexF1522Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1522Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1522", "verboseLabel": "F1522", "terseLabel": "F1522" } } }, "auth_ref": [] }, "fmr_IndexF1523Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1523Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1523", "verboseLabel": "F1523", "terseLabel": "F1523" } } }, "auth_ref": [] }, "fmr_IndexF1524Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1524Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1524", "verboseLabel": "F1524", "terseLabel": "F1524" } } }, "auth_ref": [] }, "fmr_IndexF1525Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1525Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1525", "verboseLabel": "F1525", "terseLabel": "F1525" } } }, "auth_ref": [] }, "fmr_IndexF1527Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1527Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1527", "verboseLabel": "F1527", "terseLabel": "F1527" } } }, "auth_ref": [] }, "fmr_IndexF1528Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1528Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1528", "verboseLabel": "F1528", "terseLabel": "F1528" } } }, "auth_ref": [] }, "fmr_IndexF1529Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1529Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1529", "verboseLabel": "F1529", "terseLabel": "F1529" } } }, "auth_ref": [] }, "fmr_IndexF1531Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1531Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1531", "verboseLabel": "F1531", "terseLabel": "F1531" } } }, "auth_ref": [] }, "fmr_IndexF1532Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexF1532Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "F1532", "verboseLabel": "F1532", "terseLabel": "F1532" } } }, "auth_ref": [] }, "fmr_IndexFT128Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexFT128Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "FT128", "verboseLabel": "FT128", "terseLabel": "FT128" } } }, "auth_ref": [] }, "fmr_IndexGS006Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexGS006Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "GS006", "verboseLabel": "GS006", "terseLabel": "GS006" } } }, "auth_ref": [] }, "fmr_IndexIXWMLMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexIXWMLMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "IXWML", "verboseLabel": "IXWML", "terseLabel": "IXWML" } } }, "auth_ref": [] }, "fmr_IndexIXYR4Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexIXYR4Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "IXYR4", "verboseLabel": "IXYR4", "terseLabel": "IXYR4" } } }, "auth_ref": [] }, "fmr_IndexIXZ92Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexIXZ92Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "IXZ92", "verboseLabel": "IXZ92", "terseLabel": "IXZ92" } } }, "auth_ref": [] }, "fmr_IndexIXZ93Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexIXZ93Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "IXZ93", "verboseLabel": "IXZ93", "terseLabel": "IXZ93" } } }, "auth_ref": [] }, "fmr_IndexIXZGFMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexIXZGFMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "IXZGF", "verboseLabel": "IXZGF", "terseLabel": "IXZGF" } } }, "auth_ref": [] }, "oef_IndexNoDeductionForFeesExpensesTaxes": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "IndexNoDeductionForFeesExpensesTaxes", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Index No Deduction for Fees, Expenses, or Taxes [Text]" } } }, "auth_ref": [ "r45" ] }, "fmr_IndexSP001Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexSP001Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "SP001", "verboseLabel": "SP001", "terseLabel": "SP001" } } }, "auth_ref": [] }, "fmr_IndexSP033Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IndexSP033Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "SP033", "verboseLabel": "SP033", "terseLabel": "SP033" } } }, "auth_ref": [] }, "fmr_InsuranceIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "InsuranceIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "InsuranceIndustryConcentrationMember", "verboseLabel": "InsuranceIndustryConcentrationMember", "terseLabel": "InsuranceIndustryConcentrationMember" } } }, "auth_ref": [] }, "fmr_IssuerSpecificChangesMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "IssuerSpecificChangesMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "IssuerSpecificChangesMember", "verboseLabel": "IssuerSpecificChangesMember", "terseLabel": "IssuerSpecificChangesMember" } } }, "auth_ref": [] }, "dei_LegalEntityAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "LegalEntityAxis", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Series [Axis]", "documentation": "The set of legal entities associated with a report." } } }, "auth_ref": [] }, "fmr_LeisureIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "LeisureIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "LeisureIndustryConcentrationMember", "verboseLabel": "LeisureIndustryConcentrationMember", "terseLabel": "LeisureIndustryConcentrationMember" } } }, "auth_ref": [] }, "oef_LowestQuarterlyReturnLabel": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "LowestQuarterlyReturnLabel", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Lowest Quarterly Return, Label [Optional Text]" } } }, "auth_ref": [ "r41" ] }, "oef_ManagementFeesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ManagementFeesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_ExpensesOverAssets", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Management Fees (as a percentage of Assets)" } } }, "auth_ref": [ "r16" ] }, "fmr_MaterialsIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "MaterialsIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "MaterialsIndustryConcentrationMember", "verboseLabel": "MaterialsIndustryConcentrationMember", "terseLabel": "MaterialsIndustryConcentrationMember" } } }, "auth_ref": [] }, "oef_MaximumAccountFee": { "xbrltype": "nonNegativeMonetaryItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "MaximumAccountFee", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "auth_ref": [ "r11" ] }, "oef_MaximumAccountFeeOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "MaximumAccountFeeOverAssets", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "auth_ref": [ "r11" ] }, "oef_MaximumCumulativeSalesChargeOverOfferingPrice": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "MaximumCumulativeSalesChargeOverOfferingPrice", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Maximum Cumulative Sales Charge (as a percentage of Offering Price)" } } }, "auth_ref": [ "r11" ] }, "oef_MaximumCumulativeSalesChargeOverOther": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "MaximumCumulativeSalesChargeOverOther", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "auth_ref": [ "r11" ] }, "oef_MaximumDeferredSalesChargeOverOfferingPrice": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "MaximumDeferredSalesChargeOverOfferingPrice", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "auth_ref": [ "r11" ] }, "oef_MaximumDeferredSalesChargeOverOther": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "MaximumDeferredSalesChargeOverOther", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Maximum Deferred Sales Charge (as a percentage)" } } }, "auth_ref": [ "r11" ] }, "oef_MaximumSalesChargeImposedOnPurchasesOverOfferingPrice": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "MaximumSalesChargeImposedOnPurchasesOverOfferingPrice", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "auth_ref": [ "r11" ] }, "oef_MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "MaximumSalesChargeOnReinvestedDividendsAndDistributionsOverOther", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "auth_ref": [ "r11" ] }, "fmr_MedicalTechnologyAndDevicesIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "MedicalTechnologyAndDevicesIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "MedicalTechnologyAndDevicesIndustryConcentrationMember", "verboseLabel": "MedicalTechnologyAndDevicesIndustryConcentrationMember", "terseLabel": "MedicalTechnologyAndDevicesIndustryConcentrationMember" } } }, "auth_ref": [] }, "oef_MoneyMarketSevenDayTaxEquivalentYield": { "xbrltype": "pureItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "MoneyMarketSevenDayTaxEquivalentYield", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Money Market Seven Day Tax Equivalent Yield" } } }, "auth_ref": [ "r48" ] }, "oef_MoneyMarketSevenDayYield": { "xbrltype": "pureItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "MoneyMarketSevenDayYield", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Money Market Seven Day Yield" } } }, "auth_ref": [ "r48" ] }, "oef_MoneyMarketSevenDayYieldCaption": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "MoneyMarketSevenDayYieldCaption", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Money Market Seven Day Yield, Caption [Optional Text]" } } }, "auth_ref": [ "r48" ] }, "oef_MoneyMarketSevenDayYieldColumnName": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "MoneyMarketSevenDayYieldColumnName", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Money Market Seven Day Yield Column [Optional Text]" } } }, "auth_ref": [ "r48" ] }, "oef_MoneyMarketSevenDayYieldPhone": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "MoneyMarketSevenDayYieldPhone", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Money Market Seven Day Yield Phone" } } }, "auth_ref": [ "r49" ] }, "fmr_NaturalResourcesIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "NaturalResourcesIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "NaturalResourcesIndustryConcentrationMember", "verboseLabel": "NaturalResourcesIndustryConcentrationMember", "terseLabel": "NaturalResourcesIndustryConcentrationMember" } } }, "auth_ref": [] }, "oef_NetExpensesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "NetExpensesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Net Expenses (as a percentage of Assets)" } } }, "auth_ref": [ "r15" ] }, "oef_ObjectiveHeading": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ObjectiveHeading", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Objective [Heading]" } } }, "auth_ref": [ "r5" ] }, "oef_ObjectivePrimaryTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ObjectivePrimaryTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Objective, Primary [Text Block]" } } }, "auth_ref": [ "r5" ] }, "oef_ObjectiveSecondaryTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ObjectiveSecondaryTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Objective, Secondary [Text Block]" } } }, "auth_ref": [ "r5" ] }, "oef_OperatingExpensesCaption": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "OperatingExpensesCaption", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Operating Expenses Caption [Optional Text]" } } }, "auth_ref": [ "r15" ] }, "oef_OperatingExpensesColumnName": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "OperatingExpensesColumnName", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Operating Expenses Column [Optional Text]" } } }, "auth_ref": [ "r15" ] }, "oef_OtherExpensesNewFundBasedOnEstimates": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "OtherExpensesNewFundBasedOnEstimates", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Other Expenses, New Fund, Based on Estimates [Text]" } } }, "auth_ref": [ "r31" ] }, "oef_OtherExpensesOverAssets": { "xbrltype": "nonNegativePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "OtherExpensesOverAssets", "calculation": { "http://xbrl.sec.gov/rr/role/OperatingExpensesData": { "parentTag": "oef_ExpensesOverAssets", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Other Expenses (as a percentage of Assets):" } } }, "auth_ref": [ "r18" ] }, "oef_PerformanceAdditionalMarketIndex": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceAdditionalMarketIndex", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Performance Additional Market Index [Text]" } } }, "auth_ref": [ "r40" ] }, "oef_PerformanceAvailabilityPhone": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceAvailabilityPhone", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Performance Availability Phone [Text]" } } }, "auth_ref": [ "r40" ] }, "oef_PerformanceAvailabilityWebSiteAddress": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceAvailabilityWebSiteAddress", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Performance Availability Website Address [Text]" } } }, "auth_ref": [ "r40" ] }, "oef_PerformanceInformationIllustratesVariabilityOfReturns": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceInformationIllustratesVariabilityOfReturns", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Performance Information Illustrates Variability of Returns [Text]" } } }, "auth_ref": [ "r40" ] }, "oef_PerformanceMeasureAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceMeasureAxis", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "Performance Measure [Axis]" } } }, "auth_ref": [ "r45" ] }, "oef_PerformanceMeasureDomain": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceMeasureDomain", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/PerformanceTableData" ], "lang": { "en-us": { "role": { "label": "Before Taxes" } } }, "auth_ref": [ "r45" ] }, "oef_PerformanceNarrativeTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceNarrativeTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Performance Narrative [Text Block]" } } }, "auth_ref": [ "r40" ] }, "oef_PerformanceOneYearOrLess": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceOneYearOrLess", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Performance One Year or Less [Text]" } } }, "auth_ref": [ "r40" ] }, "oef_PerformancePastDoesNotIndicateFuture": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformancePastDoesNotIndicateFuture", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Performance Past Does Not Indicate Future [Text]" } } }, "auth_ref": [ "r6", "r40" ] }, "oef_PerformanceTableClosingTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceTableClosingTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Performance Table Closing [Text Block]" } } }, "auth_ref": [ "r45" ] }, "oef_PerformanceTableDoesReflectSalesLoads": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceTableDoesReflectSalesLoads", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Performance Table Does Reflect Sales Loads" } } }, "auth_ref": [ "r50" ] }, "oef_PerformanceTableExplanationAfterTaxHigher": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceTableExplanationAfterTaxHigher", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Performance Table Explanation after Tax Higher" } } }, "auth_ref": [ "r55" ] }, "oef_PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceTableFootnotesReasonPerformanceInformationForClassDifferentFromImmediatelyPrecedingPeriod", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Performance Table Footnotes, Reason Performance Information for Class Different from Immediately Preceding Period [Text]" } } }, "auth_ref": [ "r47" ] }, "oef_PerformanceTableFootnotesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceTableFootnotesTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Performance Table Footnotes" } } }, "auth_ref": [ "r45" ] }, "oef_PerformanceTableHeading": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceTableHeading", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Performance Table Heading" } } }, "auth_ref": [ "r45" ] }, "oef_PerformanceTableMarketIndexChanged": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceTableMarketIndexChanged", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Performance Table Market Index Changed" } } }, "auth_ref": [ "r52" ] }, "oef_PerformanceTableNarrativeTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceTableNarrativeTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Performance Table Narrative" } } }, "auth_ref": [ "r50" ] }, "oef_PerformanceTableNotRelevantToTaxDeferred": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceTableNotRelevantToTaxDeferred", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Performance Table Not Relevant to Tax Deferred" } } }, "auth_ref": [ "r54" ] }, "oef_PerformanceTableOneClassOfAfterTaxShown": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceTableOneClassOfAfterTaxShown", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Performance Table One Class of after Tax Shown [Text]" } } }, "auth_ref": [ "r45", "r51" ] }, "oef_PerformanceTableUsesHighestFederalRate": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PerformanceTableUsesHighestFederalRate", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Performance Table Uses Highest Federal Rate" } } }, "auth_ref": [ "r53" ] }, "fmr_PharmaceuticalsIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "PharmaceuticalsIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "PharmaceuticalsIndustryConcentrationMember", "verboseLabel": "PharmaceuticalsIndustryConcentrationMember", "terseLabel": "PharmaceuticalsIndustryConcentrationMember" } } }, "auth_ref": [] }, "oef_PortfolioTurnoverHeading": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PortfolioTurnoverHeading", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Portfolio Turnover [Heading]" } } }, "auth_ref": [ "r30" ] }, "oef_PortfolioTurnoverRate": { "xbrltype": "pureItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PortfolioTurnoverRate", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Portfolio Turnover, Rate" } } }, "auth_ref": [ "r8", "r30" ] }, "oef_PortfolioTurnoverTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "PortfolioTurnoverTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Portfolio Turnover [Text Block]" } } }, "auth_ref": [ "r30" ] }, "oef_ProspectusDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ProspectusDate", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DocumentInformation" ], "lang": { "en-us": { "role": { "label": "Prospectus Date" } } }, "auth_ref": [ "r4" ] }, "oef_ProspectusLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ProspectusLineItems", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DocumentInformation", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "auth_ref": [ "r2" ] }, "oef_ProspectusTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ProspectusTable", "lang": { "en-us": { "role": { "label": "Prospectus [Table]" } } }, "auth_ref": [ "r2" ] }, "oef_RedemptionFee": { "xbrltype": "nonPositiveMonetaryItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "RedemptionFee", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Redemption Fee" } } }, "auth_ref": [ "r11" ] }, "oef_RedemptionFeeOverRedemption": { "xbrltype": "nonPositivePure4ItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "RedemptionFeeOverRedemption", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Redemption Fee (as a percentage of Amount Redeemed)" } } }, "auth_ref": [ "r11" ] }, "fmr_RetailIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "RetailIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "RetailIndustryConcentrationMember", "verboseLabel": "RetailIndustryConcentrationMember", "terseLabel": "RetailIndustryConcentrationMember" } } }, "auth_ref": [] }, "oef_RiskAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "RiskAxis", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "Risk [Axis]" } } }, "auth_ref": [ "r34" ] }, "oef_RiskLoseMoneyMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "RiskLoseMoneyMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "Risk Lose Money [Member]" } } }, "auth_ref": [ "r33" ] }, "oef_RiskMoneyMarketFundMayImposeFeesOrSuspendSalesMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "RiskMoneyMarketFundMayImposeFeesOrSuspendSalesMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "Risk Money Market Fund May Impose Fees or Suspend Sales [Member]" } } }, "auth_ref": [ "r35" ] }, "oef_RiskMoneyMarketFundMayNotPreserveDollarMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "RiskMoneyMarketFundMayNotPreserveDollarMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "Risk Money Market Fund May Not Preserve Dollar [Member]" } } }, "auth_ref": [ "r35" ] }, "oef_RiskMoneyMarketFundPriceFluctuatesMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "RiskMoneyMarketFundPriceFluctuatesMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "Risk Money Market Fund Price Fluctuates [Member]" } } }, "auth_ref": [ "r36" ] }, "oef_RiskMoneyMarketFundSponsorMayNotProvideSupportMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "RiskMoneyMarketFundSponsorMayNotProvideSupportMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "Risk Money Market Fund Sponsor May Not Provide Support [Member]" } } }, "auth_ref": [ "r35" ] }, "oef_RiskNondiversifiedStatusMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "RiskNondiversifiedStatusMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "Risk Nondiversified Status [Member]" } } }, "auth_ref": [ "r38" ] }, "oef_RiskNotInsuredDepositoryInstitutionMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "RiskNotInsuredDepositoryInstitutionMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "Risk Not Insured Depository Institution [Member]" } } }, "auth_ref": [ "r37" ] }, "oef_RiskNotInsuredMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "RiskNotInsuredMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "Risk Not Insured [Member]" } } }, "auth_ref": [ "r35" ] }, "oef_RiskReturnHeading": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "RiskReturnHeading", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Risk/Return [Heading]" } } }, "auth_ref": [ "r57" ] }, "oef_RiskTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "RiskTextBlock", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "Risk [Text Block]" } } }, "auth_ref": [ "r34" ] }, "fmr_S000007454Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007454Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Consumer Discretionary Portfolio", "verboseLabel": "Select Consumer Discretionary Portfolio", "terseLabel": "Select Consumer Discretionary Portfolio" } } }, "auth_ref": [] }, "fmr_S000007456Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007456Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Defense and Aerospace Portfolio", "verboseLabel": "Select Defense and Aerospace Portfolio", "terseLabel": "Select Defense and Aerospace Portfolio" } } }, "auth_ref": [] }, "fmr_S000007458Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007458Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Semiconductors Portfolio", "verboseLabel": "Select Semiconductors Portfolio", "terseLabel": "Select Semiconductors Portfolio" } } }, "auth_ref": [] }, "fmr_S000007459Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007459Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Energy Portfolio", "verboseLabel": "Select Energy Portfolio", "terseLabel": "Select Energy Portfolio" } } }, "auth_ref": [] }, "fmr_S000007461Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007461Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Fidelity Environment and Alternative Energy Fund", "verboseLabel": "Fidelity Environment and Alternative Energy Fund", "terseLabel": "Fidelity Environment and Alternative Energy Fund" } } }, "auth_ref": [] }, "fmr_S000007462Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007462Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Financials Portfolio", "verboseLabel": "Select Financials Portfolio", "terseLabel": "Select Financials Portfolio" } } }, "auth_ref": [] }, "fmr_S000007463Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007463Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Consumer Staples Portfolio", "verboseLabel": "Select Consumer Staples Portfolio", "terseLabel": "Select Consumer Staples Portfolio" } } }, "auth_ref": [] }, "fmr_S000007464Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007464Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Automotive Portfolio", "verboseLabel": "Select Automotive Portfolio", "terseLabel": "Select Automotive Portfolio" } } }, "auth_ref": [] }, "fmr_S000007465Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007465Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Gold Portfolio", "verboseLabel": "Select Gold Portfolio", "terseLabel": "Select Gold Portfolio" } } }, "auth_ref": [] }, "fmr_S000007466Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007466Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Health Care Portfolio", "verboseLabel": "Select Health Care Portfolio", "terseLabel": "Select Health Care Portfolio" } } }, "auth_ref": [] }, "fmr_S000007467Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007467Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select FinTech Portfolio", "verboseLabel": "Select FinTech Portfolio", "terseLabel": "Select FinTech Portfolio" } } }, "auth_ref": [] }, "fmr_S000007469Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007469Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Materials Portfolio", "verboseLabel": "Select Materials Portfolio", "terseLabel": "Select Materials Portfolio" } } }, "auth_ref": [] }, "fmr_S000007470Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007470Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Insurance Portfolio", "verboseLabel": "Select Insurance Portfolio", "terseLabel": "Select Insurance Portfolio" } } }, "auth_ref": [] }, "fmr_S000007471Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007471Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Leisure Portfolio", "verboseLabel": "Select Leisure Portfolio", "terseLabel": "Select Leisure Portfolio" } } }, "auth_ref": [] }, "fmr_S000007472Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007472Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Health Care Services Portfolio", "verboseLabel": "Select Health Care Services Portfolio", "terseLabel": "Select Health Care Services Portfolio" } } }, "auth_ref": [] }, "fmr_S000007473Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007473Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Medical Technology and Devices Portfolio", "verboseLabel": "Select Medical Technology and Devices Portfolio", "terseLabel": "Select Medical Technology and Devices Portfolio" } } }, "auth_ref": [] }, "fmr_S000007475Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007475Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Banking Portfolio", "verboseLabel": "Select Banking Portfolio", "terseLabel": "Select Banking Portfolio" } } }, "auth_ref": [] }, "fmr_S000007476Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007476Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Communication Services Portfolio", "verboseLabel": "Select Communication Services Portfolio", "terseLabel": "Select Communication Services Portfolio" } } }, "auth_ref": [] }, "fmr_S000007478Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007478Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Fidelity Natural Resources Fund", "verboseLabel": "Fidelity Natural Resources Fund", "terseLabel": "Fidelity Natural Resources Fund" } } }, "auth_ref": [] }, "fmr_S000007481Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007481Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Pharmaceuticals Portfolio", "verboseLabel": "Select Pharmaceuticals Portfolio", "terseLabel": "Select Pharmaceuticals Portfolio" } } }, "auth_ref": [] }, "fmr_S000007482Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007482Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Retailing Portfolio", "verboseLabel": "Select Retailing Portfolio", "terseLabel": "Select Retailing Portfolio" } } }, "auth_ref": [] }, "fmr_S000007483Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007483Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Software and IT Services Portfolio", "verboseLabel": "Select Software and IT Services Portfolio", "terseLabel": "Select Software and IT Services Portfolio" } } }, "auth_ref": [] }, "fmr_S000007484Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007484Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Technology Portfolio", "verboseLabel": "Select Technology Portfolio", "terseLabel": "Select Technology Portfolio" } } }, "auth_ref": [] }, "fmr_S000007485Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007485Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Telecommunications Portfolio", "verboseLabel": "Select Telecommunications Portfolio", "terseLabel": "Select Telecommunications Portfolio" } } }, "auth_ref": [] }, "fmr_S000007486Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007486Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Biotechnology Portfolio", "verboseLabel": "Select Biotechnology Portfolio", "terseLabel": "Select Biotechnology Portfolio" } } }, "auth_ref": [] }, "fmr_S000007487Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007487Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Transportation Portfolio", "verboseLabel": "Select Transportation Portfolio", "terseLabel": "Select Transportation Portfolio" } } }, "auth_ref": [] }, "fmr_S000007488Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007488Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Utilities Portfolio", "verboseLabel": "Select Utilities Portfolio", "terseLabel": "Select Utilities Portfolio" } } }, "auth_ref": [] }, "fmr_S000007489Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007489Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Wireless Portfolio", "verboseLabel": "Select Wireless Portfolio", "terseLabel": "Select Wireless Portfolio" } } }, "auth_ref": [] }, "fmr_S000007490Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007490Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Brokerage and Investment Management Portfolio", "verboseLabel": "Select Brokerage and Investment Management Portfolio", "terseLabel": "Select Brokerage and Investment Management Portfolio" } } }, "auth_ref": [] }, "fmr_S000007491Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007491Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Enterprise Technology Services Portfolio", "verboseLabel": "Select Enterprise Technology Services Portfolio", "terseLabel": "Select Enterprise Technology Services Portfolio" } } }, "auth_ref": [] }, "fmr_S000007492Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007492Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Chemicals Portfolio", "verboseLabel": "Select Chemicals Portfolio", "terseLabel": "Select Chemicals Portfolio" } } }, "auth_ref": [] }, "fmr_S000007493Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007493Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Tech Hardware Portfolio", "verboseLabel": "Select Tech Hardware Portfolio", "terseLabel": "Select Tech Hardware Portfolio" } } }, "auth_ref": [] }, "fmr_S000007494Member": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "S000007494Member", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Select Construction and Housing Portfolio", "verboseLabel": "Select Construction and Housing Portfolio", "terseLabel": "Select Construction and Housing Portfolio" } } }, "auth_ref": [] }, "fmr_SelectConsumerDiscretionaryPortfolio-AMCIZProMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectConsumerDiscretionaryPortfolio-AMCIZProMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectConsumerDiscretionaryPortfolio-AMCIZPro", "verboseLabel": "SelectConsumerDiscretionaryPortfolio-AMCIZPro" } } }, "auth_ref": [] }, "fmr_SelectEnergyPortfolio-AMCIZProMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectEnergyPortfolio-AMCIZProMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectEnergyPortfolio-AMCIZPro", "verboseLabel": "SelectEnergyPortfolio-AMCIZPro" } } }, "auth_ref": [] }, "fmr_SelectPortfoliosEnergyPortfolioPROMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectPortfoliosEnergyPortfolioPROMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectPortfoliosEnergyPortfolioPRO", "verboseLabel": "SelectPortfoliosEnergyPortfolioPRO" } } }, "auth_ref": [] }, "fmr_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPROMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPROMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "verboseLabel": "SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO" } } }, "auth_ref": [] }, "fmr_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPROMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPROMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "verboseLabel": "SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO" } } }, "auth_ref": [] }, "fmr_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPROMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPROMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "verboseLabel": "SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO" } } }, "auth_ref": [] }, "fmr_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPROMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPROMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "verboseLabel": "SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO" } } }, "auth_ref": [] }, "fmr_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPROMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPROMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "verboseLabel": "SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO" } } }, "auth_ref": [] }, "fmr_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPROMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPROMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "verboseLabel": "SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" } } }, "auth_ref": [] }, "fmr_SelectPortfoliosGroup10-UtilitiesSector-PROMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectPortfoliosGroup10-UtilitiesSector-PROMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectPortfoliosGroup10-UtilitiesSector-PRO", "verboseLabel": "SelectPortfoliosGroup10-UtilitiesSector-PRO" } } }, "auth_ref": [] }, "fmr_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPROMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPROMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "verboseLabel": "SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO" } } }, "auth_ref": [] }, "fmr_SelectPortfoliosGroup4-FinancialsSector-ComboPROMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectPortfoliosGroup4-FinancialsSector-ComboPROMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "verboseLabel": "SelectPortfoliosGroup4-FinancialsSector-ComboPRO" } } }, "auth_ref": [] }, "fmr_SelectPortfoliosGroup5-HealthCareSector-ComboPROMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectPortfoliosGroup5-HealthCareSector-ComboPROMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "verboseLabel": "SelectPortfoliosGroup5-HealthCareSector-ComboPRO" } } }, "auth_ref": [] }, "fmr_SelectPortfoliosGroup6-IndustrialsSector-ComboPROMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectPortfoliosGroup6-IndustrialsSector-ComboPROMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "verboseLabel": "SelectPortfoliosGroup6-IndustrialsSector-ComboPRO" } } }, "auth_ref": [] }, "fmr_SelectPortfoliosGroup7-InformationTechnologySector-ComboPROMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectPortfoliosGroup7-InformationTechnologySector-ComboPROMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "verboseLabel": "SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO" } } }, "auth_ref": [] }, "fmr_SelectPortfoliosGroup8-MaterialsSector-RetailComboPROMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectPortfoliosGroup8-MaterialsSector-RetailComboPROMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "verboseLabel": "SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO" } } }, "auth_ref": [] }, "fmr_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPROMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPROMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "verboseLabel": "SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO" } } }, "auth_ref": [] }, "fmr_SelectTechnologyPortfolio-AMCIZProMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectTechnologyPortfolio-AMCIZProMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectTechnologyPortfolio-AMCIZPro", "verboseLabel": "SelectTechnologyPortfolio-AMCIZPro" } } }, "auth_ref": [] }, "fmr_SelectUtilitiesPortfolio-AMCIZProMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SelectUtilitiesPortfolio-AMCIZProMember", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/FeesAndExpenses", "http://xbrl.sec.gov/rr/role/InvestmentRisks", "http://xbrl.sec.gov/rr/role/InvestmentStrategy", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceManagement", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/RiskReturn", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "SelectUtilitiesPortfolio-AMCIZPro", "verboseLabel": "SelectUtilitiesPortfolio-AMCIZPro" } } }, "auth_ref": [] }, "oef_ShareClassDomain": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ShareClassDomain", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/RiskSummaryS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/RiskSummaryS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/RiskSummaryS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/RiskSummaryS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/RiskSummaryS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/RiskSummaryS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://xbrl.sec.gov/rr/role/BarChartData", "http://xbrl.sec.gov/rr/role/ExpenseExample", "http://xbrl.sec.gov/rr/role/ExpenseExampleNoRedemption", "http://xbrl.sec.gov/rr/role/OperatingExpensesData", "http://xbrl.sec.gov/rr/role/PerformanceTableData", "http://xbrl.sec.gov/rr/role/ShareholderFeesData" ], "lang": { "en-us": { "role": { "label": "Share Classes" } } }, "auth_ref": [ "r3" ] }, "oef_ShareholderFeeOther": { "xbrltype": "nonNegativeMonetaryItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ShareholderFeeOther", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Shareholder Fee, Other" } } }, "auth_ref": [ "r11" ] }, "oef_ShareholderFeesCaption": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ShareholderFeesCaption", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Shareholder Fees Caption [Optional Text]" } } }, "auth_ref": [ "r11" ] }, "oef_ShareholderFeesColumnName": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ShareholderFeesColumnName", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Shareholder Fees Column [Optional Text]" } } }, "auth_ref": [ "r11" ] }, "fmr_SoftwareAndInformationTechnologyServicesIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SoftwareAndInformationTechnologyServicesIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "SoftwareAndInformationTechnologyServicesIndustryConcentrationMember", "verboseLabel": "SoftwareAndInformationTechnologyServicesIndustryConcentrationMember", "terseLabel": "SoftwareAndInformationTechnologyServicesIndustryConcentrationMember" } } }, "auth_ref": [] }, "fmr_StockMarketVolatilityMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "StockMarketVolatilityMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "StockMarketVolatilityMember", "verboseLabel": "StockMarketVolatilityMember", "terseLabel": "StockMarketVolatilityMember" } } }, "auth_ref": [] }, "oef_StrategyHeading": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "StrategyHeading", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Strategy [Heading]" } } }, "auth_ref": [ "r32" ] }, "oef_StrategyNarrativeTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "StrategyNarrativeTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Strategy Narrative [Text Block]" } } }, "auth_ref": [ "r32" ] }, "oef_StrategyPortfolioConcentration": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "StrategyPortfolioConcentration", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Strategy Portfolio Concentration [Text]" } } }, "auth_ref": [ "r32" ] }, "fmr_SubsidiaryRiskMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SubsidiaryRiskMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "SubsidiaryRiskMember", "verboseLabel": "SubsidiaryRiskMember", "terseLabel": "SubsidiaryRiskMember" } } }, "auth_ref": [] }, "oef_SupplementToProspectusTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "SupplementToProspectusTextBlock", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Supplement to Prospectus [Text Block]" } } }, "auth_ref": [ "r1" ] }, "fmr_SustainabilityRiskMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "SustainabilityRiskMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "SustainabilityRiskMember", "verboseLabel": "SustainabilityRiskMember", "terseLabel": "SustainabilityRiskMember" } } }, "auth_ref": [] }, "fmr_TechHardwareIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "TechHardwareIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "TechHardwareIndustryConcentrationMember", "verboseLabel": "TechHardwareIndustryConcentrationMember", "terseLabel": "TechHardwareIndustryConcentrationMember" } } }, "auth_ref": [] }, "fmr_TechnologyIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "TechnologyIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "TechnologyIndustryConcentrationMember", "verboseLabel": "TechnologyIndustryConcentrationMember", "terseLabel": "TechnologyIndustryConcentrationMember" } } }, "auth_ref": [] }, "fmr_TelecomServicesIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "TelecomServicesIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "TelecomServicesIndustryConcentrationMember", "verboseLabel": "TelecomServicesIndustryConcentrationMember", "terseLabel": "TelecomServicesIndustryConcentrationMember" } } }, "auth_ref": [] }, "oef_ThirtyDayTaxEquivalentYield": { "xbrltype": "pureItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ThirtyDayTaxEquivalentYield", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Thirty Day Tax Equivalent Yield" } } }, "auth_ref": [ "r49" ] }, "oef_ThirtyDayYield": { "xbrltype": "pureItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ThirtyDayYield", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Thirty Day Yield" } } }, "auth_ref": [ "r49" ] }, "oef_ThirtyDayYieldCaption": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ThirtyDayYieldCaption", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Thirty Day Yield Caption [Optional Text]" } } }, "auth_ref": [ "r49" ] }, "oef_ThirtyDayYieldColumnName": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ThirtyDayYieldColumnName", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Thirty Day Yield Column [Optional Text]" } } }, "auth_ref": [ "r49" ] }, "oef_ThirtyDayYieldPhone": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "ThirtyDayYieldPhone", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Thirty Day Yield Phone" } } }, "auth_ref": [ "r49" ] }, "fmr_TransportationIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "TransportationIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "TransportationIndustryConcentrationMember", "verboseLabel": "TransportationIndustryConcentrationMember", "terseLabel": "TransportationIndustryConcentrationMember" } } }, "auth_ref": [] }, "fmr_UtilitiesIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "UtilitiesIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "UtilitiesIndustryConcentrationMember", "verboseLabel": "UtilitiesIndustryConcentrationMember", "terseLabel": "UtilitiesIndustryConcentrationMember" } } }, "auth_ref": [] }, "fmr_WirelessIndustryConcentrationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.fidelity.com/20260429", "localname": "WirelessIndustryConcentrationMember", "presentation": [ "http://xbrl.sec.gov/rr/role/InvestmentRisks" ], "lang": { "en-us": { "role": { "label": "WirelessIndustryConcentrationMember", "verboseLabel": "WirelessIndustryConcentrationMember", "terseLabel": "WirelessIndustryConcentrationMember" } } }, "auth_ref": [] }, "oef_YearToDateReturnLabel": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/oef/2025", "localname": "YearToDateReturnLabel", "presentation": [ "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectConsumerDiscretionaryPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007454_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007456_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007458_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectEnergyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007459_SelectPortfoliosEnergyPortfolioPRO", "http://www.fidelity.com/role/DisclosureDetailS000007461_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007462_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosFidelityAdvisorConsumerStaplesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007463_SelectPortfoliosGroup2-ConsumerStaplesSector-RetailPRO", "http://www.fidelity.com/role/DisclosureDetailS000007464_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosFidelityAdvisorGoldFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007465_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007466_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007467_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosFidelityAdvisorMaterialsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007469_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007470_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007471_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007472_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007473_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007475_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosFidelityAdvisorCommunicationServicesFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007476_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007478_FidelityEnvironmentandAlternativeEnergyNaturalResourcesFunds-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007481_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007482_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007483_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007484_SelectTechnologyPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosFidelityAdvisorTelecommunicationsFund-AMCIZPRO", "http://www.fidelity.com/role/DisclosureDetailS000007485_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007486_SelectPortfoliosGroup5-HealthCareSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007487_SelectPortfoliosGroup6-IndustrialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectPortfoliosGroup10-UtilitiesSector-PRO", "http://www.fidelity.com/role/DisclosureDetailS000007488_SelectUtilitiesPortfolio-AMCIZPro", "http://www.fidelity.com/role/DisclosureDetailS000007489_SelectPortfoliosGroup9-TelecommunicationsServicesSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007490_SelectPortfoliosGroup4-FinancialsSector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007491_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007492_SelectPortfoliosGroup8-MaterialsSector-RetailComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007493_SelectPortfoliosGroup7-InformationTechnologySector-ComboPRO", "http://www.fidelity.com/role/DisclosureDetailS000007494_SelectPortfoliosGroup1-ConsumerDiscretionarySector-ComboPRO" ], "lang": { "en-us": { "role": { "label": "Year to Date Return, Label [Optional Text]" } } }, "auth_ref": [ "r41" ] } } } }, "std_ref": { "r0": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b-2" }, "r1": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "1" }, "r2": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "1", "Subsection": "a" }, "r3": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "1", "Subsection": "a", "Paragraph": "1" }, "r4": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "1", "Subsection": "a", "Paragraph": "3" }, "r5": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "2", "Subsection": "a" }, "r6": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "d", "Paragraph": "2", "Subparagraph": "iiii", "Clause": "A" }, "r7": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "d", "Paragraph": "2", "Subparagraph": "instruction", "Clause": "7" }, "r8": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "27A", "Subsection": "e" }, "r9": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "1" }, "r10": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "1", "Subparagraph": "b" }, "r11": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "2" }, "r12": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "2", "Subparagraph": "a", "Sentence": "i" }, "r13": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "2", "Subparagraph": "c" }, "r14": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "2", "Subparagraph": "d" }, "r15": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3" }, "r16": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "a" }, "r17": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "b" }, "r18": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "c", "Sentence": "i" }, "r19": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "c", "Sentence": "ii" }, "r20": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "c", "Sentence": "iii" }, "r21": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "d" }, "r22": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "d", "Clause": "B", "Sentence": "ii" }, "r23": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "d", "Sentence": "iii" }, "r24": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "e" }, "r25": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "f", "Sentence": "i" }, "r26": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "f", "Sentence": "vi" }, "r27": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "3", "Subparagraph": "f", "Sentence": "vii" }, "r28": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "4" }, "r29": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "4", "Subparagraph": "f" }, "r30": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "5" }, "r31": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "3", "Subsection": "instruction", "Paragraph": "6", "Subparagraph": "a" }, "r32": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "a" }, "r33": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "1" }, "r34": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "1", "Subparagraph": "i", "Clause": "instruction" }, "r35": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "1", "Subparagraph": "ii" }, "r36": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "1", "Subparagraph": "ii", "Clause": "A" }, "r37": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "1", "Subparagraph": "iii" }, "r38": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "1", "Subparagraph": "iv" }, "r39": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "2" }, "r40": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "2", "Subparagraph": "i" }, "r41": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "2", "Subparagraph": "ii" }, "r42": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "2", "Subparagraph": "ii", "Sentence": "instruction", "Clause": "1", "Subclause": "a" }, "r43": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "2", "Subparagraph": "ii", "Sentence": "instruction", "Clause": "3", "Subclause": "b" }, "r44": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "2", "Subparagraph": "ii", "Sentence": "instruction", "Clause": "3", "Subclause": "c" }, "r45": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "2", "Subparagraph": "iii" }, "r46": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "2", "Subparagraph": "instruction", "Clause": "3" }, "r47": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "2", "Subparagraph": "instruction", "Clause": "3", "Subclause": "c" }, "r48": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "2", "Subparagraph": "instruction", "Clause": "a", "Sentence": "2" }, "r49": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "2", "Subparagraph": "instruction", "Clause": "d", "Sentence": "2" }, "r50": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "2", "Subparagraph": "iv" }, "r51": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "2", "Subparagraph": "iv", "Clause": "C" }, "r52": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "2", "Subparagraph": "iv", "Clause": "c", "Sentence": "2" }, "r53": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "2", "Subparagraph": "iv", "Sentence": "A" }, "r54": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "2", "Subparagraph": "iv", "Sentence": "B" }, "r55": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-1A", "Section": "4", "Subsection": "b", "Paragraph": "2", "Subparagraph": "iv", "Sentence": "D" }, "r56": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-T", "Number": "232", "Section": "313" }, "r57": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Section": "2", "Name": "Form N-1A", "Subsection": "a" } } }