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Property, Plant and Equipment - Schedule of Utility Property, Plant and Equipment (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |
Accumulated depreciation | $ (14,207) | $ (12,910)
Total utility property, plant and equipment | 59,047 | 55,877
SCE |  |
Property, Plant and Equipment [Line Items] |  |
Distribution | 37,093 | 34,573
Transmission | 19,189 | 18,526
Generation | 4,217 | 3,593
General plant and other | 7,046 | 6,383
Accumulated depreciation | (14,207) | (12,910)
Total utility property, plant and equipment, Gross | 53,338 | 50,165
Construction work in progress | 5,585 | 5,590
Nuclear fuel, at amortized cost | 124 | 122
Total utility property, plant and equipment | $ 59,047 | $ 55,877

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