XML 90 R78.htm IDEA: XBRL DOCUMENT
v3.23.3

Commitments and Contingencies (Accrual roll forward) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Loss contingency accrual roll forward |  |  |  |  |
Wildfire-related claims, current | $ 150 |  | $ 150 |  | $ 121
Wildfire-related claims, non-current | 1,583 |  | 1,583 |  | 1,687
2017/2018 Wildfire/Mudslide Events |  |  |  |  |
Loss contingency accrual roll forward |  |  |  |  |
Balance, beginning |  |  | 1,119 |  |
Increase in accrued estimated losses | 475 | $ 880 | 565 | $ 1,296 |
Amounts paid |  |  | (747) |  |
Balance, end | 937 |  | 937 |  | 1,119
Wildfire-related claims, current | 150 |  | 150 |  | 121
Wildfire-related claims, non-current | 1,583 |  | 1,583 |  | 1,687
2017/2018 Wildfire/Mudslide Events | SED Settlement |  |  |  |  |
Loss contingency accrual roll forward |  |  |  |  |
Wildfire-related claims, current | 6 |  | 6 |  | 56
Wildfire-related claims, non-current | 59 |  | 59 |  | 64
2017/2018 Wildfire/Mudslide Events | Settled Litigation |  |  |  |  |
Loss contingency accrual roll forward |  |  |  |  |
Wildfire-related claims, current | 144 |  | 144 |  | 65
2017/2018 Wildfire/Mudslide Events | Estimated Losses for Remaining Alleged and Potential Claims |  |  |  |  |
Loss contingency accrual roll forward |  |  |  |  |
Wildfire-related claims, non-current | 728 |  | 728 |  | 934
Other Wildfire Related Claims |  |  |  |  |
Loss contingency accrual roll forward |  |  |  |  |
Wildfire-related claims, non-current | 796 |  | 796 |  | 689
Post-2018 Wildfires |  |  |  |  |
Loss contingency accrual roll forward |  |  |  |  |
Balance, beginning |  |  | 682 |  |
Increase in accrued estimated losses | 118 | 415 | 124 | 565 |
Amounts paid |  |  | (16) |  |
Balance, end | 790 |  | 790 |  | 682
SCE |  |  |  |  |
Loss contingency accrual roll forward |  |  |  |  |
Wildfire-related claims, current | 150 |  | 150 |  | 121
Wildfire-related claims, non-current | 1,583 |  | 1,583 |  | $ 1,687
SCE | 2017/2018 Wildfire/Mudslide Events | Settled Litigation |  |  |  |  |
Loss contingency accrual roll forward |  |  |  |  |
Balance, end | 209 |  | 209 |  |
SCE | 2017/2018 Wildfire/Mudslide Events | Settled Litigation | SED Settlement |  |  |  |  |
Loss contingency accrual roll forward |  |  |  |  |
Balance, end | 65 |  | 65 |  |
SCE | 2017/2018 Wildfire/Mudslide Events | Estimated Losses for Remaining Alleged and Potential Claims |  |  |  |  |
Loss contingency accrual roll forward |  |  |  |  |
Balance, end | 728 |  | 728 |  |
SCE | Post-2018 Wildfires |  |  |  |  |
Loss contingency accrual roll forward |  |  |  |  |
Increase in accrued estimated losses | $ 118 | $ 415 | $ 124 | $ 565 |

X
- 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

X
- Definition Amount of loss contingency liability expected to be resolved within one year or the normal operating cycle, if longer. + 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 + Details
Name: | us-gaap_LossContingencyAccrualCarryingValueCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of loss contingency liability expected to be resolved after one year or beyond the normal operating cycle, if longer. + 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 + Details
Name: | us-gaap_LossContingencyAccrualCarryingValueNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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

X
- 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

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_LossContingencyAccrualRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | srt_CounterpartyNameAxis=eix_SafetyAndEnforcementDivisionSettlementAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | srt_LitigationCaseAxis=us-gaap_PendingLitigationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=eix_OtherWildfireRelatedClaimsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=eix_WildfirePost2018EventsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=eix_SouthernCaliforniaEdisonCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |