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Commitments and Contingencies - Schedule of Power Purchase Agreements (Details) - SCE - Power Purchase Agreement
$ in Millions
12 Months Ended
Dec. 31, 2024
USD ($)
Long-Term Purchase Commitment [Line Items]  
2025 $ 2,986
2026 3,139
2027 2,704
2028 2,423
2029 2,421
Thereafter 16,493
Total future commitments 30,166
Long-term lease expense $ 57