Other Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Other Income And Expense
Total other income and (expenses)	$ 128	$ 66	$ 247	$ 134
SCE
Other Income And Expense
Equity allowance for funds used during construction	39	30	75	61
Increase in cash surrender value of life insurance policies and life insurance benefits	9	6	20	21
Interest income	66	15	126	17
Net periodic benefit income - non-service components	26	31	52	65
Civic, political and related activities and donations	(7)	(9)	(16)	(18)
Other	(6)	(5)	(10)	(7)
Total other income and (expenses)	127	68	247	139
Edison International Parent and Other
Other Income And Expense
Net loss on equity securities		(4)	(3)	(6)
Other	$ 1	$ 2	$ 3	$ 1