v3.25.2
Derivative Instruments - Schedule of Gains/(Losses) of Economic Hedging Activity (Details) - SCE - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Derivative Instruments, Gain (Loss) [Line Items]        
Realized $ (3) $ (55) $ (43) $ (126)
Unrealized $ 35 $ (9) $ 11 $ (37)