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Derivative Instruments - Schedule of Notional Volumes of Derivative Instruments (Details) - SCE | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2025 GWh Bcfe | Dec. 31, 2024 GWh Bcfe
Electricity options, swaps and forwards |  |
Derivatives |  |
Economic Hedges | 6,914 | 3,295
Natural gas options, swaps and forwards |  |
Derivatives |  |
Economic Hedges | Bcfe | 10 | 4
Congestion revenue rights |  |
Derivatives |  |
Economic Hedges | 4,119 | 8,141
Fin Toll arrangements |  |
Derivatives |  |
Economic Hedges | 240 | 0

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