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Revenue - Summary of SCE (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Revenue |  |  |
Total operating revenue | $ 17,599 | $ 16,338 | $ 17,220
SCE |  |  |
Revenue |  |  |
Revenue from contracts with customers | 18,395 | 17,020 | 16,760
Alternative revenue programs and other operating revenue | (848) | (745) | 412
Total operating revenue | 17,547 | 16,275 | 17,172
Receivables from contracts with customers | 2,900 | 2,500 |
Accrued unbilled revenues | 845 | 741 |
SCE | Commercial |  |  |
Revenue |  |  |
Revenue from contracts with customers | 8,000 | 7,333 | 7,028
SCE | Residential |  |  |
Revenue |  |  |
Revenue from contracts with customers | 7,060 | 6,421 | 6,707
SCE | Other |  |  |
Revenue |  |  |
Revenue from contracts with customers | $ 3,335 | $ 3,266 | $ 3,025

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