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Commitments and Contingencies - Recoveries through Electric Rates (Details) - USD ($) $ in Millions		1 Months Ended		6 Months Ended	65 Months Ended
	May 31, 2025	Sep. 30, 2025	Nov. 30, 2024	Jun. 30, 2025	May 31, 2024	Dec. 31, 2024
Commitments and Contingencies
Requested increase revenue requirement			$ 220
SCE
Commitments and Contingencies
Requested increase revenue requirement		$ 1,100
Regulatory assets		$ 13,389				$ 11,634
Thomas Koenigstein Fires And Montecito Mudslides | SCE
Commitments and Contingencies
Recovery costs prior to date (as a percent)					60.00%
Uninsured claims and other costs					$ 2,700
Recovery costs after date (as a 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-TKM | SCE
Commitments and Contingencies
Requested increase revenue requirement					1,600
Thomas and Koenigstein Fires and Montecito Mudslides-TKM | SCE
Commitments and Contingencies
Loss contingency, uninsured claims				$ 1,300	1,300
Legal and other costs				300	$ 300
Regulatory assets				1,600
CPUC cost recovery				55
Incremental restoration costs related to wildfires				65
Shareholder-funded safety measures costs				$ 50
Woolsey Agreement | SCE
Commitments and Contingencies
Recovery costs prior to date (as a percent)		35.00%
Requested increase revenue requirement		$ 2,000
Uninsured claims and other costs		$ 5,600
Loss contingency, uninsured claims	$ 1,600
Legal and other costs	$ 400
Recovery costs after date (as a percent)		35.00%
CPUC cost recovery		$ 71
Incremental restoration costs related to wildfires		84
Amount of waived losses		157
Woolsey Agreement | SCE | SED Settlement
Commitments and Contingencies
Third-party uninsured claims cost recovery waiver		$ 250

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