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Investments (Gains and (Losses) for Equity Securities) (Details) - Southern California Edison - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Investment Holdings [Line Items] |  |  |  |
Gross realized gains | $ 51 | $ 19 | $ 165 | $ 64
Gross realized loss | (2) | (1) | (5) | (1)
Net unrealized gains for equity securities | $ 110 | $ 3 | $ 5 | $ 209

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