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Commitments and Contingencies - Nuclear Insurance (Details) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2023 | Dec. 31, 2024
San Onofre |  |
Commitments and Contingencies |  |
Federal loss limit, bodily injury and property damage from nuclear incident |  | $ 560
Palo Verde (nuclear) |  |
Commitments and Contingencies |  |
Federal loss limit, bodily injury and property damage from nuclear incident |  | 16,300
SCE and other owners of San Onofre and Palo Verde |  |
Commitments and Contingencies |  |
Maximum private primary insurance | $ 500 |
SCE |  |
Commitments and Contingencies |  |
Maximum per incident, prior events |  | 255
Maximum per incident, prior events, annually |  | 38
Limit on retroactive premium adjustments assessment, per year |  | 17
SCE | San Onofre |  |
Commitments and Contingencies |  |
Minimum federal requirement of nuclear property insurance |  | 50
SCE | Palo Verde (nuclear) |  |
Commitments and Contingencies |  |
Maximum per incident |  | 79
Maximum per incident annual |  | 12
Minimum federal requirement of nuclear property insurance |  | $ 1,100

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