Loss Contingency Accrual, Payment Per Dollar of Claim

No definition available.

Name:	eix_LossContingencyAccrualPaymentPerDollarOfClaim
Namespace Prefix:	eix_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
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, Estimated Recovery from Electric Rates

+ References

No definition available.

+ Details

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

- 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

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

Agreement to waive the right to seek cost recovery of third-party uninsured claims payments.

+ References

No definition available.

+ Details

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

- Definition

Percentage of outstanding individual plaintiff claims for which demands were received.

+ References

No definition available.

+ Details

Name:	eix_PercentageOfOutstandingIndividualPlaintiffClaimsForWhichDemandsRaised
Namespace Prefix:	eix_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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 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 2: 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 3: 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 4: 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 5: 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 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

+ 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

Amount of cash outflow reducing loss contingency liability.

+ 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_LossContingencyAccrualPayments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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

+ References

+ Details

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

The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 980
-SubTopic 340
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481878/980-340-50-1

+ Details

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

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=eix_WildfireMudslide20172018EventsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=eix_OtherWildfireRelatedClaimsMember
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:	srt_CounterpartyNameAxis=eix_SafetyAndEnforcementDivisionSettlementAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

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

- Details

Name:	srt_LitigationCaseAxis=us-gaap_SettledLitigationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_LitigationCaseAxis=us-gaap_PendingLitigationMember
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_RegulatoryAgencyAxis=eix_CaliforniaPublicUtilitiesCommissionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RegulatoryAgencyAxis=eix_FederalEnergyRegulatoryCommissionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Commitments and Contingencies (Monetary) (Details) $ in Millions		1 Months Ended				3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 18, 2024 plaintiff	Oct. 31, 2021 USD ($)	Apr. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Oct. 31, 2020 USD ($) $ / claim	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($) $ / claim	Dec. 31, 2019 USD ($)
2017/2018 Wildfire/Mudslide Events
Commitments and Contingencies
Increase in accrued estimated losses								$ 490	$ 90
Expected revenue through electric rates								27	6
Total after-tax charge								333	61
Payments								536
Charge for wildfire-related claims						$ 669		669		$ 715
Other Wildfires
Commitments and Contingencies
Increase in accrued estimated losses								180	6
Expected revenue through electric rates								7
Total after-tax charge								85	4
Payments								282
Charge for wildfire-related claims						581		581		683
SCE
Commitments and Contingencies
Regulatory Assets						12,568		12,568		11,421
SCE \| 2017/2018 Wildfire/Mudslide Events
Commitments and Contingencies
Regulatory Assets						64		64
SCE \| 2017/2018 Wildfire/Mudslide Events \| SED Settlement
Commitments and Contingencies
Charge for wildfire-related claims		$ 550				58		58
Fine to State		110
Shareholder-funded safety measures costs		65
Third-party uninsured claims cost recovery waiver		$ 375
SCE \| 2017/2018 Wildfire/Mudslide Events \| Individual Plaintiff Settlements
Commitments and Contingencies
Payments						180	$ 216			$ 876	$ 1,700	$ 1,700
SCE \| 2017/2018 Wildfire/Mudslide Events \| Local Public Entity Settlements
Commitments and Contingencies
Payments													$ 360
SCE \| 2017/2018 Wildfire/Mudslide Events \| TKM Subrogation Settlement
Commitments and Contingencies
Payments					$ 1,200
Payment agreement for each dollar of claim \| $ / claim					0.555
Percentage of outstanding individual plaintiff claims	97.00%
SCE \| 2017/2018 Wildfire/Mudslide Events \| Woolsey Subrogation Settlement
Commitments and Contingencies
Percentage of outstanding individual plaintiff claims	93.00%
SCE \| 2017/2018 Wildfire/Mudslide Events \| Settled Litigation
Commitments and Contingencies
Charge for wildfire-related claims						71		71
SCE \| 2017/2018 Wildfire/Mudslide Events \| Settled Litigation \| SED Settlement
Commitments and Contingencies
Charge for wildfire-related claims						58		58
SCE \| 2017/2018 Wildfire/Mudslide Events \| Remaining Alleged and Potential Claims
Commitments and Contingencies
Charge for wildfire-related claims						598		598
SCE \| 2017/2018 Wildfire/Mudslide Events \| Aggregate
Commitments and Contingencies
Increase in accrued estimated losses								9,900
Expected revenue through electric rates								440
Payments								9,200
SCE \| 2017/2018 Wildfire/Mudslide Events \| Aggregate \| Individual Plaintiff Settlements
Commitments and Contingencies
Number of plaintiffs \| plaintiff	13,000
SCE \| November 2018-Woolsey \| Woolsey Subrogation Settlement
Commitments and Contingencies
Payments			$ 2,200	$ 2,200
Payment agreement for each dollar of claim \| $ / claim												0.67
SCE \| Other Wildfires
Commitments and Contingencies
Increase in accrued estimated losses								180	6
Expected revenue through electric rates								7
Total after-tax charge								84	$ 4
Charge for wildfire-related claims						581		581
Regulatory Assets						$ 150		150
SCE \| Other Wildfires \| Aggregate
Commitments and Contingencies
Increase in accrued estimated losses								1,100
Expected revenue through electric rates								175
Total after-tax charge								152
Payments								488
SCE \| Other Wildfires \| Aggregate \| CPUC
Commitments and Contingencies
Expected revenue through electric rates								152
SCE \| Other Wildfires \| Aggregate \| FERC
Commitments and Contingencies
Expected revenue through electric rates								$ 23