Other Income (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Other Income And Expense
Total other income and (expenses)	$ 119	$ 68
SCE
Other Income And Expense
Equity allowance for funds used during construction	36	30
Increase in cash surrender value of life insurance policies and life insurance benefits	11	16
Interest income	60	3
Net periodic benefit income - non-service components	26	34
Civic, political and related activities and donations	(9)	(9)
Other	(4)	(3)
Total other income and (expenses)	120	71
Edison International Parent and Other
Other Income And Expense
Net loss on equity securities	(3)	(2)
Other	$ 2	$ (1)