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Commitments and Contingencies - Recoveries through Electric Rates (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended			65 Months Ended	66 Months Ended
	Oct. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	May 31, 2024	Dec. 31, 2024
Commitments and Contingencies
Total		$ 1,140	$ 1,224	$ 1,924		$ 10,018
SCE \| Woolsey Subrogation Settlement
Commitments and Contingencies
Legal and other costs	$ 1,000
CPUC cost recovery proceedings, capital recovery portion	84
Wildfire costs recovery requested	5,400
Total	$ 4,400
Thomas Koenigstein Fires And Montecito Mudslides \| SCE
Commitments and Contingencies
Costs to be recovered, prior to specified time, percent					60.00%
Loss contingency, uninsured claims and other costs					$ 2,700
Costs to be recovered, after specified time, percent					60.00%
Thomas Koenigstein Fires And Montecito Mudslides \| SCE \| SED Settlement
Commitments and Contingencies
Third-party uninsured claims cost recovery waiver					$ 125
Thomas and Koenigstein Fires and Montecito Mudslides \| SCE
Commitments and Contingencies
Requested increase (decrease) revenue requirement					1,600
Loss contingency, uninsured claims					1,300
Legal and other costs					300
CPUC cost recovery proceedings, capital recovery portion					55
Incremental restoration costs related to wildfires					$ 65