Additional Fatalities

No definition available.

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

- 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

CPUC cost recovery amount waived.

+ References

No definition available.

+ Details

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

- Definition

Loss Contingency, Fatalities

+ References

No definition available.

+ Details

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

- Definition

Fine to be paid to the state.

+ References

No definition available.

+ Details

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

- Definition

Loss Contingency, Number of Plaintiffs, Entered In To Settlements

+ References

No definition available.

+ Details

Name:	eix_LossContingencyNumberOfPlaintiffsEnteredInToSettlements
Namespace Prefix:	eix_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Shareholder-funded safety measures costs.

+ References

No definition available.

+ Details

Name:	eix_LossContingencyShareholderFundedSafetyMeasures
Namespace Prefix:	eix_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

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 of loss contingency liability.

+ References

Reference 1: 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

Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483076/450-20-50-10

+ Details

Name:	us-gaap_LossContingencyAccrualAtCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

- Details

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

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=eix_December2017ThomasAndKoenigsteinMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=eix_November2018WoolseyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=eix_MontecitoMudslidesMember
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_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

Commitments and Contingencies - 2017/2018 Wildfire/Mudslide Events (Details) $ in Millions		1 Months Ended
	Jul. 24, 2025 plaintiff	Oct. 31, 2021 USD ($)	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)	Nov. 30, 2018 a individual item	Jan. 31, 2018 individual item	Dec. 04, 2017 a individual item
Commitments and Contingencies
Charge for wildfire-related claims			$ 737	$ 1,001
SCE
Commitments and Contingencies
Charge for wildfire-related claims				1,001
December 2017-Thomas and Koenigstein \| SCE
Commitments and Contingencies
Acres burned \| a							280,000
Structures destroyed \| item							1,343
Fatalities \| individual							2
November 2018-Woolsey \| SCE
Commitments and Contingencies
Acres burned \| a					100,000
Structures destroyed \| item					1,643
Fatalities \| individual					3
Structures damaged \| item					364
Additional fatalities \| individual					4
November 2018-Woolsey \| SCE \| SED Settlement
Commitments and Contingencies
CPUC cost recovery amount waived		$ 250
Montecito Mudslides \| SCE
Commitments and Contingencies
Structures destroyed \| item						135
Fatalities \| individual						21
Structures damaged \| item						324
Additional fatalities \| individual						2
2017/2018 Wildfire/Mudslide Events
Commitments and Contingencies
Charge for wildfire-related claims			$ 268	426
2017/2018 Wildfire/Mudslide Events \| SCE
Commitments and Contingencies
Charge for wildfire-related claims				$ 426
2017/2018 Wildfire/Mudslide Events \| SCE \| Subsequent Event
Commitments and Contingencies
Number of plaintiffs \| plaintiff	130
Number of plaintiffs in settlement \| plaintiff	13,700
2017/2018 Wildfire/Mudslide Events \| SCE \| SED Settlement
Commitments and Contingencies
Charge for wildfire-related claims		550
Fine to state		110
Shareholder-funded safety measures costs		65
Thomas and Koenigstein Fires and Montecito Mudslides-TKM \| SCE \| SED Settlement
Commitments and Contingencies
CPUC cost recovery amount waived		$ 125