Other Income (Tables)

9 Months Ended

Sep. 30, 2021

Other Income [Abstract]

Summary of Other Income

	Three months ended				Nine months ended
	September 30,				September 30,
(in millions)	2021		2020		2021		2020
SCE other income (expense):
Equity allowance for funds used during construction	$	32	$	36	$	92	$	87
Increase in cash surrender value of life insurance policies and life insurance benefits		8		27		33		60
Interest income		1		2		2		18
Net periodic benefit income – non-service components		33		28		99		83
Civic, political and related activities and donations		(16)		(7)		(28)		(22)
Other		(5)		(3)		(9)		(9)
Total SCE other income	$	53	$	83	$	189	$	217
Other income (expense) of Edison International Parent and Other:
Net periodic benefit costs – non-service components		—		—		—		(1)
Unrealized (losses) gains on investment in Proterra		(8)		—		4		—
Other		2		1		2		1
Total Edison International other income	$	47	$	84	$	195	$	217