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Compensation and Benefit Plans (Expected Future Benefit Payments) (Details) $ in Millions | Dec. 31, 2017 USD ($)
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Pension Plans |
Years ended December 31, |
2018 | $ 338
2019 | 343
2020 | 327
2021 | 324
2022 | 309
2023 – 2027 | 1,453
Postretirement Benefits Other Than Pensions |
Years ended December 31, |
2018 | 93
2019 | 96
2020 | 100
2021 | 103
2022 | 107
2023 – 2027 | 582
SCE | Pension Plans |
Years ended December 31, |
2018 | 304
2019 | 303
2020 | 293
2021 | 287
2022 | 281
2023 – 2027 | 1,299
SCE | Postretirement Benefits Other Than Pensions |
Years ended December 31, |
2018 | 93
2019 | 96
2020 | 100
2021 | 103
2022 | 106
2023 – 2027 | $ 580

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