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v3.20.4

Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
(Discount), premium and issuance costs | $ 23 | $ (4) | $ (63)
SCE |  |  |
(Discount), premium and issuance costs | $ 26 | $ 6 | $ (58)

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

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |