XML 87 R75.htm IDEA: XBRL DOCUMENT
v3.19.2

Commitments and Contingencies (Spent Nuclear Fuel) (Details) - USD ($) $ in Millions | 1 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Aug. 31, 2018 | Apr. 30, 2016 | Jun. 30, 2010 | May 31, 2018 | Oct. 31, 2017 | Feb. 28, 2017 | Sep. 30, 2016
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
DOE determination of claim reimbursement |  |  |  |  |  |  | $ 56.0
SCE and other owners of San Onofre and Palo Verde |  |  |  |  |  |  |
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Damages sought |  |  | $ 142.0 |  |  |  |
Damage award |  | $ 162.0 |  |  |  |  |
DOE determination of claim reimbursement |  |  |  | $ 45.0 |  | $ 43.0 |
Southern California Edison |  |  |  |  |  |  |
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Damages sought |  |  | $ 112.0 |  |  |  |
Damage award |  | 124.0 |  |  |  |  |
Legal and other costs |  | $ 2.0 |  |  |  |  |
Damage award, customers | $ 105.6 |  |  |  |  |  |
Damage award, shareholders | 16.6 |  |  |  |  |  |
DOE determination of claim reimbursement |  |  |  | 35.0 | $ 58.0 | $ 34.0 |
Disallowed claim amount |  |  |  | $ 13.0 |  |  |
Southern California Edison | Regulatory balancing accounts |  |  |  |  |  |  |
Schedule Of Commitments And Contingencies [Line Items] |  |  |  |  |  |  |
Damage award, customers | $ 71.6 |  |  |  |  |  |

X
- Definition Disallowed Recovery of Claim + References No definition available. + Details
Name: | eix_DisallowedRecoveryofClaim
Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Litigation Settlement, Amount Awarded from Other Party, Returned to Customer + References No definition available. + Details
Name: | eix_LitigationSettlementAmountAwardedfromOtherPartyReturnedtoCustomer
Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Litigation Settlement, Amount Awarded from Other Party, Return to Shareholders + References No definition available. + Details
Name: | eix_LitigationSettlementAmountAwardedfromOtherPartyReturntoShareholders
Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Schedule Of Commitments And Contingencies [Line Items] + References No definition available. + Details
Name: | eix_ScheduleOfCommitmentsAndContingenciesLineItems
Namespace Prefix: | eix_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount or range of possible amounts of gain that could be realized upon the resolution of a contingency. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6397426&loc=d3e17499-108355 + Details
Name: | us-gaap_GainContingencyUnrecordedAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount awarded from other party in judgment or settlement of litigation. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementAmountAwardedFromOtherParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14557-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118942415&loc=d3e14435-108349 Reference 3: 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=118942415&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyDamagesSoughtValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=eix_SceAndOtherOwnersOfSanOnofreAndPaloVerdeMember
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: | eix_RegulatoryAssetsAndLiabilitiesAxis=us-gaap_RevenueSubjectToRefundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |