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v3.19.3

Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2019 | Sep. 30, 2018
Discounts and issuance costs of long term debt | $ 2 | $ 63
Southern California Edison Company |  |
Discounts and issuance costs of long term debt | $ 6 | $ 58

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- Definition Premiums, Discounts and Issuance Costs of Long Term Debt + References No definition available. + Details
Name: | eix_PremiumsDiscountsandIssuanceCostsofLongTermDebt
Namespace Prefix: | eix_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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