Other Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Other Income And Expense
Total other income and (expenses)	$ 130	$ 85	$ 377	$ 219
SCE
Other Income And Expense
Equity allowance for funds used during construction	41	30	116	91
Increase in cash surrender value of life insurance policies and life insurance benefits	9	9	29	30
Interest income	68	19	194	36
Net periodic benefit income - non-service components	26	34	78	99
Civic, political and related activities and donations	(12)	(11)	(28)	(29)
Other	(4)	(10)	(14)	(17)
Total other income and (expenses)	128	71	375	210
Edison International Parent and Other
Other Income And Expense
Net gains (losses) on equity securities		8	(3)	2
Other	$ 2	$ 6	$ 5	$ 7