Other Income, Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Other Income And Expense
Total other income and (expenses), net	$ 148	$ 128	$ 286	$ 247
SCE
Other Income And Expense
Equity allowance for funds used during construction	49	39	96	75
Increase in cash surrender value of life insurance policies and life insurance benefits	13	9	25	20
Interest income	72	66	136	126
Net periodic benefit income - non-service components	22	26	44	52
Civic, political and related activities and donations	(5)	(7)	(12)	(16)
Interest income and other	(4)	(6)	(7)	(10)
Total other income and (expenses), net	147	127	282	247
Edison International Parent and Other
Other Income And Expense
Net (losses) gains on equity securities				(3)
Interest income and other	$ 1	$ 1	$ 4	$ 3