Other Income, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Other Income, Net
Total other income, net	$ 107	$ 138
SCE
Other Income, Net
Equity AFUDC	46	47
Increase in cash surrender value of life insurance policies and life insurance benefits	10	12
Interest income	43	64
Net periodic benefit income – non-service components	21	22
Civic, political and related activities and donations	(5)	(7)
Interest income and other	(4)	(3)
Total other income, net	111	135
Edison International Parent and Other
Other Income, Net
Net loss on equity securities	(6)	0
Interest income and other	$ 2	$ 3