Estimated Fire Suppression Costs

No definition available.

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

- Definition

Litigation Settlement, Amount Awarded to Other Party, Per Dollar Of Claims Paid

+ References

No definition available.

+ Details

Name:	eix_LitigationSettlementAmountAwardedToOtherPartyPerDollarOfClaimsPaid
Namespace Prefix:	eix_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Definition

Loss Contingency, Acres Burned

+ References

No definition available.

+ Details

Name:	eix_LossContingencyAcresBurned
Namespace Prefix:	eix_
Data Type:	dtr-types:areaItemType
Balance Type:	na
Period Type:	instant

- Definition

Loss Contingency, Civilian Fatalities

+ References

No definition available.

+ Details

Name:	eix_LossContingencyCivilianFatalities
Namespace Prefix:	eix_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Loss Contingency, Number Of Lawsuits

+ References

No definition available.

+ Details

Name:	eix_LossContingencyNumberOfLawsuits
Namespace Prefix:	eix_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Loss Contingency, Personnel Injuries/Illnesses

+ References

No definition available.

+ Details

Name:	eix_LossContingencyPersonnelInjuriesIllnesses
Namespace Prefix:	eix_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Loss Contingency, Receivable From Electric Rates

+ References

No definition available.

+ Details

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

- Definition

Loss Contingency, Structures Damaged

+ References

No definition available.

+ Details

Name:	eix_LossContingencyStructuresDamaged
Namespace Prefix:	eix_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Loss Contingency, Structures Destroyed

+ References

No definition available.

+ Details

Name:	eix_LossContingencyStructuresDestroyed
Namespace Prefix:	eix_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-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

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 48
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482785/280-10-55-48

+ Details

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

- Definition

Amount awarded to other party in judgment or settlement of litigation.

+ References

No definition available.

+ Details

Name:	us-gaap_LitigationSettlementAmountAwardedToOtherParty
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

Number of plaintiffs that have filed claims pertaining to a loss contingency.

+ References

Reference 1: 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 2: 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

+ Details

Name:	us-gaap_LossContingencyNumberOfPlaintiffs
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-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

+ Details

Name:	us-gaap_LossContingencyReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

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

- Details

Name:	srt_LitigationCaseAxis=eix_EatonSubrogationSettlementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LitigationStatusAxis=us-gaap_PendingLitigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	eix_TypeOfStructureAxis=eix_SingleResidenceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	eix_TypeOfStructureAxis=eix_OtherMinorStructuresMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	eix_TypeOfStructureAxis=eix_MultipleResidencesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	eix_TypeOfStructureAxis=eix_MixedCommercialResidentialAndNonresidentialCommercialStructuresMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	eix_TypeOfStructureAxis=eix_ResidentialStructureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments and Contingencies - 2025 Eaton Fire (Details) $ in Millions			1 Months Ended		3 Months Ended
	Oct. 21, 2025 plaintiff lawsuit	Jul. 31, 2025 USD ($)	Sep. 30, 2025 USD ($)	Jan. 31, 2025 USD ($) a individual item	Sep. 30, 2025 USD ($)
SCE \| Eaton Subrogation Settlement \| Pending Litigation
Commitments and Contingencies
Per dollar of claims paid			0.52
Loss from litigation settlement \| $					$ 300
Customer-funded wildfire self-insurance \| $			$ 279		279
Loss contingency, estimated recovery from electric rates \| $					$ 21
Subrogation Claimant \| Eaton Subrogation Settlement \| Pending Litigation \| Policy Holders
Commitments and Contingencies
Claims paid \| $		$ 500
Eaton Fire \| SCE
Commitments and Contingencies
Acres burned \| a				14,000
Loss contingency, civilian fatalities \| individual				18
Loss contingency, personnel injuries/illnesses \| individual				9
Estimated fire suppression costs \| $				$ 100
Eaton Fire \| SCE \| Subsequent Event
Commitments and Contingencies
Number of current lawsuits \| lawsuit	500
Number of plaintiffs \| plaintiff	6,500
Eaton Fire \| SCE \| Single Residence
Commitments and Contingencies
Structures destroyed				6,018
Eaton Fire \| SCE \| Other Minor Structures
Commitments and Contingencies
Structures destroyed				3,146
Structures damaged				260
Eaton Fire \| SCE \| Multiple Residences
Commitments and Contingencies
Structures destroyed				96
Structures damaged				28
Eaton Fire \| SCE \| Mixed Commercial/Residential And Nonresidential Commercial Structures
Commitments and Contingencies
Structures destroyed				158
Structures damaged				35
Eaton Fire \| SCE \| Residential Structure
Commitments and Contingencies
Structures damaged				750