Insurance Recovery, Reversal

No definition available.

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

- Definition

Loss Contingency Accrual, Provision, Before Tax

+ References

No definition available.

+ Details

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

- Definition

Loss Contingency Accrual, Provision, after Tax

+ References

No definition available.

+ Details

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

- Definition

Loss Contingency Accrual, Tax Provision (Benefit)

+ References

No definition available.

+ Details

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

- Definition

Loss Contingency, Expected (Recoveries From) Refund To CPUC Customers

+ References

No definition available.

+ Details

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

- Definition

Loss Contingency, Expected Recoveries From Wildfire Fund

+ References

No definition available.

+ Details

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

- Definition

Loss Contingency, Expected (Recovery From) Refund To FERC Customers

+ References

No definition available.

+ Details

Name:	eix_LossContingencyExpectedRecoveryFromRefundToFERCCustomers
Namespace Prefix:	eix_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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

Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

+ 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

+ Details

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

- Details

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

- Details

Name:	dei_LegalEntityAxis=eix_SouthernCaliforniaEdisonCompanyMember
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:	us-gaap_LossContingenciesByNatureOfContingencyAxis=eix_OtherWildfireEventsRelatedClaimsMember
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_LossContingenciesByNatureOfContingencyAxis=eix_WildfireClaimsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

Commitments and Contingencies - Schedule of Wildfire-Related Claims, Net of Expected Recoveries (Details) - USD ($) $ in Millions	3 Months Ended		15 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026
Commitments and Contingencies
Wildfire-related claims	$ 162
Subsidiary of Common Parent
Commitments and Contingencies
Wildfire-related claims		$ 50
SCE
Commitments and Contingencies
Wildfire-related claims	162	21
Reversal of expected recoveries from insurance and third parties	39
Insurance and other third party recoveries		82
Expected recoveries from Wildfire Fund	(161)
Expected (recoveries from)/refund to CPUC customers	(47)	(1,297)
Expected recoveries from FERC customers	(3)	3
Total pre-tax (gain)/charge	(10)	(1,355)
Income tax expense/(benefit)	3	379
Total after-tax (gain)/charge	(7)	(976)
2017/2018 Wildfire/Mudslide Events
Commitments and Contingencies
Wildfire-related claims	0
2017/2018 Wildfire/Mudslide Events \| SCE
Commitments and Contingencies
Wildfire-related claims		0
Insurance and other third party recoveries		0
Expected (recoveries from)/refund to CPUC customers		(1,341)
Expected recoveries from FERC customers		0
Total pre-tax (gain)/charge		(1,341)
Income tax expense/(benefit)		375
Total after-tax (gain)/charge		(966)
Other Wildfire Events \| SCE
Commitments and Contingencies
Wildfire-related claims	1	21
Reversal of expected recoveries from insurance and third parties	39
Insurance and other third party recoveries		82
Expected recoveries from Wildfire Fund	0
Expected (recoveries from)/refund to CPUC customers	(47)	44
Expected recoveries from FERC customers	(3)	3
Total pre-tax (gain)/charge	(10)	(14)
Income tax expense/(benefit)	3	4
Total after-tax (gain)/charge	(7)	(10)
Eaton Fire
Commitments and Contingencies
Wildfire-related claims	161
Eaton Fire \| SCE
Commitments and Contingencies
Wildfire-related claims	161		$ 1,300
Reversal of expected recoveries from insurance and third parties	0
Expected recoveries from Wildfire Fund	(161)		$ 295
Expected (recoveries from)/refund to CPUC customers	0
Expected recoveries from FERC customers	0
Total pre-tax (gain)/charge	0
Income tax expense/(benefit)	0
Total after-tax (gain)/charge	$ 0
Wildfire Claims \| Subsidiary of Common Parent
Commitments and Contingencies
Wildfire-related claims		47
Legal Costs \| Subsidiary of Common Parent
Commitments and Contingencies
Wildfire-related claims		$ 3