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Investments (Trust gain loss) (Details) - SCE - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Investment Holdings [Line Items] |  |  |
Gross realized gains | $ 339 | $ 255 | $ 87
Gross realized losses | (24) | (6) | (2)
Net unrealized gains for equity securities | $ 103 | $ 176 | $ 343

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- Definition This item represents the amount of realized gain on investments in trust during the period from the sale of securities. + References No definition available. + Details
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- Definition This item represents the amount of net unrealized gain on investments in trust during the period. + References No definition available. + Details
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- Details
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