Other Income, Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Other Income, Net
Total other income, net	$ 127	$ 130	$ 413	$ 377
SCE
Other Income, Net
Equity allowance for funds used during construction	47	41	143	116
Increase in cash surrender value of life insurance policies and life insurance benefits	9	9	34	29
Interest income	64	68	200	194
Net periodic benefit income - non-service components	22	26	66	78
Civic, political and related activities and donations	(12)	(12)	(24)	(28)
Interest income and other	(4)	(4)	(11)	(14)
Total other income, net	126	128	408	375
Edison International Parent and Other
Other Income, Net
Net loss on equity securities				(3)
Interest income and other	$ 1	$ 2	$ 5	$ 5