Additional Loss For Fair Profit On Contingency Damages Claims

No definition available.

Name:	ck0000932782_AdditionalLossForFairProfitOnContingencyDamagesClaims
Namespace Prefix:	ck0000932782_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Contingent liabilities for legal proceedings.

+ References

No definition available.

+ Details

Name:	ck0000932782_ContingentLiabilitiesForLegalProceedings
Namespace Prefix:	ck0000932782_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Legal proceeding claim damages sought value.

+ References

No definition available.

+ Details

Name:	ck0000932782_LegalProceedingClaimDamagesSoughtValue
Namespace Prefix:	ck0000932782_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Loss Contingency Damages Sought Amount

+ References

No definition available.

+ Details

Name:	ck0000932782_LossContingencyDamagesSoughtAmount
Namespace Prefix:	ck0000932782_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Payments For Legal Settlements1

+ References

No definition available.

+ Details

Name:	ck0000932782_PaymentsForLegalSettlements1
Namespace Prefix:	ck0000932782_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Provisions for trails in process.

+ References

No definition available.

+ Details

Name:	ck0000932782_ProvisionsForTrailsInProcess
Namespace Prefix:	ck0000932782_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_112_c&doctype=Standard
-URIDate 2025-03-27

+ Details

Name:	ifrs-full_ClosingForeignExchangeRate
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfContingentLiabilitiesLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of guarantees or collateral provided by the entity in related party transactions. [Refer: Guarantees [member]; Total for all related parties [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 24
-IssueDate 2025-01-01
-Paragraph 21
-Subparagraph h
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_21_h&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 234
-Subparagraph h
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_234_h&doctype=Standard
-URIDate 2025-03-27

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 234
-Subparagraph h
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_234_h&doctype=Standard
-URIDate 2025-03-27

+ Details

Name:	ifrs-full_ProvisionOfGuaranteesOrCollateralByEntityRelatedPartyTransactions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	ck0000932782_ResolutionAxis=ck0000932782_TerminationResolutionJanuary142019Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfContingentLiabilitiesAxis=ifrs-full_ContingentLiabilityForGuaranteesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfAssetsAxis=ifrs-full_ExplorationAndEvaluationAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ck0000932782_ContractualAreaSatuarioAndElGolpeThreeFieldMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ck0000932782_PemexExplorationAndProductionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ck0000932782_LossContingenciesByNatureAxis=ck0000932782_StandbyLettersOfCredit1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ck0000932782_PemexIndustrialTransformationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfContingentLiabilitiesAxis=ck0000932782_AdministrativeClaimMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfContingentLiabilitiesAxis=ifrs-full_TaxContingentLiabilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_ClassesOfContingentLiabilitiesAxis=ck0000932782_ArbitrationProceedingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ck0000932782_PemexMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Contingencies - Additional Information (Detail) $ in Thousands, $ in Thousands						12 Months Ended
	Jul. 10, 2024 USD ($)	Feb. 17, 2022 USD ($)	Jan. 14, 2019 MXN ($)	Jan. 14, 2019 USD ($)	Apr. 04, 2011 USD ($)	Dec. 31, 2025 MXN ($) $ / $	Dec. 31, 2025 USD ($)	Jun. 17, 2025 MXN ($)	Dec. 31, 2024 MXN ($)	Dec. 31, 2023 MXN ($)	Sep. 22, 2023 MXN ($)	Dec. 31, 2022 MXN ($)	Sep. 09, 2022 MXN ($)
Disclosure of contingent liabilities [line items]
Provision for trails in process (Note 27)						$ 13,424,603			$ 13,186,811	$ 12,436,092		$ 10,533,137
Currency exchange rate \| $ / $						17.9667
Termination Resolution January 14 2019
Disclosure of contingent liabilities [line items]
Accrued reserve on contingent liabilities				$ 51,454
Contingent liability for guarantees \| Exploration \| Contractual area Satuario and El Golpe 3 field
Disclosure of contingent liabilities [line items]
Currency exchange rate \| $ / $						17.9667
Exploration and Extraction (formerly Pemex Exploration and Production)
Disclosure of contingent liabilities [line items]
Legal proceeding claim damages sought value					$ 193,713
Payments for legal settlements	$ 27,244
Accrued reserve on contingent liabilities	4,143
Exploration and Extraction (formerly Pemex Exploration and Production) \| Standby Letters Of Credit
Disclosure of contingent liabilities [line items]
Accrued reserve on contingent liabilities	$ 13,975
Pemex Industrial Transformation \| Administrative Claim
Disclosure of contingent liabilities [line items]
Legal proceeding claim damages sought value		$ 240,488	$ 14,607	$ 113,582
Pemex Industrial Transformation \| Tax Contingent Liability
Disclosure of contingent liabilities [line items]
Accrued reserve on contingent liabilities						$ 3,084,975					$ 8,349,608		$ 5,852,222
Pemex Industrial Transformation \| Arbitration Proceeding
Disclosure of contingent liabilities [line items]
Loss contingency damages sought amount								$ 7,316,929
Additional loss for fair profit on contingency damages claims								$ 2,353,719
PEMEX \| Contingent liability for guarantees
Disclosure of contingent liabilities [line items]
Provision of guarantees or collateral to entity, related party transactions						$ 1,850,283	$ 102,984