Other Income, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Other Income And Expense
Total other income and (expenses), net	$ 138	$ 119
SCE
Other Income And Expense
Equity allowance for funds used during construction	47	36
Increase in cash surrender value of life insurance policies and life insurance benefits	12	11
Interest income	64	60
Net periodic benefit income - non-service components	22	26
Civic, political and related activities and donations	(7)	(9)
Interest income and other	(3)	(4)
Total other income and (expenses), net	135	120
Edison International Parent and Other
Other Income And Expense
Net (losses) gains on equity securities		(3)
Interest income and other	$ 3	$ 2