Loss Contingency, Customer Funded Self-Insurance

No definition available.

Name:	eix_LossContingencyCustomerFundedSelfInsurance
Namespace Prefix:	eix_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Loss Contingency, Revenue Adjustments

+ References

No definition available.

+ Details

Name:	eix_LossContingencyRevenueAdjustments
Namespace Prefix:	eix_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Current or expected self insurance per wildfire occurrence.

+ References

No definition available.

+ Details

Name:	eix_LossContingencySelfInsuranceRetentionPerWildfireOccurrence
Namespace Prefix:	eix_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Current or expected wildfire insurance coverage.

+ References

No definition available.

+ Details

Name:	eix_LossContingencyWildfireInsuranceCoverage
Namespace Prefix:	eix_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Current or expected wildfire insurance coverage, net.

+ References

No definition available.

+ Details

Name:	eix_LossContingencyWildfireInsuranceCoverageNet
Namespace Prefix:	eix_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Loss Contingency, Wildfire Insurance Expense

+ References

No definition available.

+ Details

Name:	eix_LossContingencyWildfireInsuranceExpense
Namespace Prefix:	eix_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The maximum amount of annual shareholder contribution to wildfire insurance program.

+ References

No definition available.

+ Details

Name:	eix_MaximumAnnualContributionToSelfInsuranceProgram
Namespace Prefix:	eix_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Threshold for wildfire insurance costs before shareholder contributions.

+ References

No definition available.

+ Details

Name:	eix_PaymentOfSelfInsuranceCost
Namespace Prefix:	eix_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage of shareholder contribution on self insurance cost.

+ References

No definition available.

+ Details

Name:	eix_PercentageOfShareholderContributionOnSelfInsuranceCost
Namespace Prefix:	eix_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Proceeds from Insurance Premiums Collected, Additional Amount Authorized For Collection

+ References

No definition available.

+ Details

Name:	eix_ProceedsFromInsurancePremiumsCollectedAdditionalAmountAuthorizedForCollection
Namespace Prefix:	eix_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Proceeds from Insurance Premiums Collected, Remaining Amount Authorized For Collection

+ References

No definition available.

+ Details

Name:	eix_ProceedsFromInsurancePremiumsCollectedRemainingAmountAuthorizedForCollection
Namespace Prefix:	eix_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The future amount to be collected from self insurance program in the absence of wildfire related claims.

+ References

No definition available.

+ Details

Name:	eix_ProceedsFromSelfInsuranceProgramExcludingWildfireRelatedClaims
Namespace Prefix:	eix_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

+ Details

Name:	us-gaap_InsuranceRecoveries
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482861/275-10-50-9

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-4

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-9

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 720
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483359/720-20-50-1

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 27
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482395/460-10-55-27

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-9

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-4

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482425/460-10-50-3

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

+ Details

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Cash received as payments for insurance premiums during the current period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 25
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-25

+ Details

Name:	us-gaap_ProceedsFromInsurancePremiumsCollected
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	dei_LegalEntityAxis=eix_SouthernCaliforniaEdisonCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=eix_WildfireLiabilityInsuranceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_SubsidiaryOfCommonParentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=eix_CommercialInsuranceCarriersMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=eix_InsuranceForThePeriodJune12019ThroughJune302020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=eix_InsuranceForThePeriodJuly12020ThroughJune302021Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=eix_InsuranceForThePeriodJuly12021ThroughJune302022Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=eix_InsuranceForThePeriodJuly12022ThroughJune302023Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=eix_CustomerFundedSelfInsuranceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=eix_WildfiresIgnitedBetweenJanuary12025AndDecember312025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=eix_WildfiresIgnitedBetweenJanuary12026AndDecember312026Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=eix_A20172018WildfireMudslideEventsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=eix_AggregateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=eix_November2018WildfiresMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=eix_CreekFireMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments and Contingencies - Recoveries (Details) - SCE - USD ($) $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended	12 Months Ended							13 Months Ended
	Jul. 31, 2024	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2026	Dec. 31, 2027	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Commitments and Contingencies
Insurance and other third party recoveries			$ 82.0
Loss contingency, wildfire insurance expense			50.0						$ 450.0
Proceeds from self-insurance program		$ 68.0
Loss contingency, revenue adjustents		650.0
Wildfire Liability Insurance \| Subsidiary of Common Parent
Commitments and Contingencies
Proceeds from self-insurance program						$ 300.0	$ 300.0	$ 150.0
Commercial insurance carriers
Commitments and Contingencies
Loss contingency, wildfire insurance expense									357.0
Insurance For The Period June 1, 2019 Through June 30, 2020
Commitments and Contingencies
Loss contingency, wildfire insurance coverage												$ 1,200.0
Loss contingency, self insurance retention per wildfire occurrence												165.0
Loss contingency, wildfire insurance coverage, net												$ 1,000.0
Insurance For The Period July 1, 2020 Through June 30, 2021
Commitments and Contingencies
Loss contingency, wildfire insurance coverage											$ 1,000.0
Loss contingency, self insurance retention per wildfire occurrence											130.0
Loss contingency, wildfire insurance coverage, net											$ 870.0
Insurance For The Period July 1, 2021 Through June 30, 2022
Commitments and Contingencies
Loss contingency, wildfire insurance coverage										$ 1,000.0
Loss contingency, self insurance retention per wildfire occurrence										163.0
Loss contingency, wildfire insurance coverage, net										$ 837.0
Insurance For The Period July 1, 2022 Through June 30, 2023
Commitments and Contingencies
Loss contingency, wildfire insurance coverage									1,000.0
Loss contingency, self insurance retention per wildfire occurrence									63.0
Loss contingency, wildfire insurance coverage, net									$ 937.0
Customer-Funded Self-Insurance
Commitments and Contingencies
Loss contingency, wildfire insurance coverage	$ 1,000.0
Rate funded wildfire self-insurance program future proceeds, assuming no claims	300.0
Maximum annual shareholder contribution	$ 12.5
Shareholder contribution on self insurance (as a percent)	2.50%
Threshold before shareholder contributions	$ 500.0
Loss contingency, revenue adjustents	$ 274.0
Wildfires Ignited Between January 1, 2025 And December 31, 2025
Commitments and Contingencies
Loss contingency, customer funded self-insurance						1,000.0
Maximum annual shareholder contribution						$ 12.5
Wildfires Ignited Between January 1, 2026 And December 31, 2026
Commitments and Contingencies
Loss contingency, customer funded self-insurance		1,000.0
Maximum annual shareholder contribution		12.5
Forecast
Commitments and Contingencies
Proceeds from self-insurance program, additional amount authorized for collection				$ 429.0
Proceeds from insurance premiums collected, remaining amount authorized for collection					$ 153.0
2017/2018 Wildfire/Mudslide Events
Commitments and Contingencies
Loss contingency, wildfire insurance coverage		1,000.0
Loss contingency, self insurance retention per wildfire occurrence		10.0
Insurance and other third party recoveries			$ 0.0
2017/2018 Wildfire/Mudslide Events \| Aggregate
Commitments and Contingencies
Insurance and other third party recoveries		2,000.0
November 2018 Wildfires
Commitments and Contingencies
Loss contingency, wildfire insurance coverage		1,000.0
Loss contingency, self insurance retention per wildfire occurrence		10.0
2017 Creek Fire
Commitments and Contingencies
Insurance and other third party recoveries		$ 18.0