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Compensation and Benefit Plans (Changes Recognized in OCI) (Details) - Pension Plans - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Pension and Other Postretirement Benefits |  |  |
Net (gain) loss | $ (10) | $ 11 | $ 19
Amortization of net loss | (11) | (10) | (7)
Total (gain) loss recognized in other comprehensive income | (21) | 1 | 12
Total recognized in expense and other comprehensive income | 27 | 59 | 82
SCE |  |  |
Pension and Other Postretirement Benefits |  |  |
Net (gain) loss | (5) | 9 | 21
Amortization of net loss | (7) | (7) | (5)
Total (gain) loss recognized in other comprehensive income | (12) | 2 | 16
Total recognized in expense and other comprehensive income | $ 32 | $ 56 | $ 80

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