XML 140 R116.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Commitments and Contingencies (Wildfires litigation) (Details) $ in Millions | 1 Months Ended | 2 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Oct. 31, 2021 USD ($) | Jan. 31, 2021 $ / claim | Oct. 31, 2020 USD ($) $ / claim | Apr. 30, 2021 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2021 USD ($) plaintiff | Dec. 31, 2020 USD ($)
2017/2018 Wildfire/Mudslide Events |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Payments |  |  |  |  |  | $ 3,914 |
Charge for wildfire-related claims |  |  |  |  |  | 1,734 | $ 4,383
Increase in accrued estimated losses to reflect best estimate |  |  |  |  |  | 1,265 | 1,297
Expected revenue from FERC customers |  |  |  |  |  | 67 | 84
Total pre-tax charge |  |  |  |  |  | 1,198 | 1,213
Total after-tax charge |  |  |  |  |  | 894 | 874
2017/2018 Wildfire/Mudslide Events | Settled Litigation |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Charge for wildfire-related claims |  |  |  |  |  | 131 |
2017/2018 Wildfire/Mudslide Events | Pending Litigation |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Charge for wildfire-related claims |  |  |  |  |  | 1,600 |
2017/2018 Wildfire/Mudslide Events | Aggregate |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Payments |  |  |  |  |  | 5,700 |
2019/2020 Wildfires |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Charge for wildfire-related claims |  |  |  |  |  | $ 123 |
SCE | 2017/2018 Wildfire/Mudslide Events | SED Settlement |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Charge for wildfire-related claims | $ 550 |  |  |  |  |  |
Fine to State | 110 |  |  |  |  |  |
Shareholder-funded safety measures costs | 65 |  |  |  |  |  |
Third-party uninsured claims cost recovery waiver | $ 375 |  |  |  |  |  |
SCE | 2017/2018 Wildfire/Mudslide Events | Local Public Entity Settlements |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Payments |  |  |  |  | $ 360 |  |
SCE | 2017/2018 Wildfire/Mudslide Events | TKM Subrogation Settlement |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Payments |  |  | $ 1,200 |  |  |  |
Payment agreement for each dollar of claim | $ / claim |  |  | 0.555 |  |  |  |
SCE | 2017/2018 Wildfire/Mudslide Events | Individual Plaintiff Settlements |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Number of plaintiffs | plaintiff |  |  |  |  |  | 5,000 |
Payments |  |  |  |  |  | $ 1,700 | $ 300
SCE | 2017/2018 Wildfire/Mudslide Events | Aggregate |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Increase in accrued estimated losses to reflect best estimate |  |  |  |  |  | $ 7,500 |
SCE | November 2018 Wildfires | Woolsey Subrogation Settlement |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |
Payments |  |  |  | $ 2,200 |  |  |
Payment agreement for each dollar of claim | $ / claim |  | 0.67 |  |  |  |  |

X
- Definition Loss Contingency Accrual, Payment Per Dollar of Claim + References No definition available. + Details
Name: | eix_LossContingencyAccrualPaymentPerDollarOfClaim
Namespace Prefix: | eix_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- 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

X
- 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: | debit
Period Type: | duration

X
- 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

X
- 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

X
- 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

X
- 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 No definition available. + Details
Name: | us-gaap_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of loss contingency liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyAccrualAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase (decrease) in loss contingency liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyAccrualCarryingValuePeriodIncreaseDecrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash outflow reducing loss contingency liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyAccrualProvision
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of plaintiffs that have filed claims pertaining to a loss contingency. + References No definition available. + Details
Name: | us-gaap_LossContingencyNumberOfPlaintiffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
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_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: | srt_StatementScenarioAxis=eix_AggregateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=eix_Wildfires20192020Member
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: |

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

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

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

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

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=eix_November2018WildfiresMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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