XML 60 R49.htm IDEA: XBRL DOCUMENT
v3.20.2

Variable Interest Entities (Summary of Trusts' Income Statement) (Details) - Southern California Edison - VIE - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Trust II |  |  |  |
Variable Interest Entity |  |  |  |
Dividend income | $ 5 | $ 5 | $ 10 | $ 10
Dividend distributions | 5 | 5 | 10 | 10
Trust III |  |  |  |
Variable Interest Entity |  |  |  |
Dividend income | 4 | 4 | 8 | 8
Dividend distributions | 4 | 4 | 8 | 8
Trust IV |  |  |  |
Variable Interest Entity |  |  |  |
Dividend income | 5 | 5 | 9 | 9
Dividend distributions | 5 | 5 | 9 | 9
Trust V |  |  |  |
Variable Interest Entity |  |  |  |
Dividend income | 4 | 4 | 8 | 8
Dividend distributions | 4 | 4 | 8 | 8
Trust VI |  |  |  |
Variable Interest Entity |  |  |  |
Dividend income | 6 | 6 | 12 | 12
Dividend distributions | $ 6 | $ 6 | $ 12 | $ 12

X
- Definition Variable Interest Entities, Dividend Distributions + References No definition available. + Details
Name: | eix_VariableInterestEntitiesDividendDistributions
Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Variable Interest Entities, Dividend Income + References No definition available. + Details
Name: | eix_VariableInterestEntitiesDividendIncome
Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_VariableInterestEntityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_InvestmentsByConsolidatedAndNonconsolidatedEntitiesAxis=us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | eix_VariableInterestEntitiesByNameOfEntityAxis=eix_SouthernCaliforniaEdisonTrustIiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | eix_VariableInterestEntitiesByNameOfEntityAxis=eix_SouthernCaliforniaEdisonTrustIIIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | eix_VariableInterestEntitiesByNameOfEntityAxis=eix_SCETrustIVMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | eix_VariableInterestEntitiesByNameOfEntityAxis=eix_SCETrustVMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | eix_VariableInterestEntitiesByNameOfEntityAxis=eix_SCETrustVIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |