Compensation and Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2023

Pension Plans

Pension and Other Postretirement Benefits

Summary of expense components for plans

	Three months ended				Nine months ended
	September 30,				September 30,
(in millions)	2023		2022		2023		2022
Edison International:
Service cost	$	25	$	30	$	75	$	90
Non-service cost (benefit)
Interest cost		45		27		135		81
Expected return on plan assets		(54)		(57)		(162)		(171)
Settlement costs		—		—		—		3
Amortization of net loss1		—		1		2		3
Regulatory adjustment		(12)		2		(36)		6
Total non-service benefit2	$	(21)	$	(27)	$	(61)	$	(78)
Total expense	$	4	$	3	$	14	$	12
SCE:
Service cost	$	24	$	29	$	72	$	87
Non-service cost (benefit)
Interest cost		42		25		126		75
Expected return on plan assets		(51)		(54)		(153)		(162)
Settlement costs		—		—		—		3
Amortization of net loss1		—		1		—		3
Regulatory adjustment		(12)		2		(36)		6
Total non-service benefit2	$	(21)	$	(26)	$	(63)	$	(75)
Total expense	$	3	$	3	$	9	$	12

1 Represents the amount of net loss reclassified from other comprehensive loss.

2 Included in "Other Income" on Edison International's and SCE’s consolidated statements of income.

Postretirement Benefits Other Than Pensions

Pension and Other Postretirement Benefits

Summary of expense components for plans

	Three months ended				Nine months ended
	September 30,				September 30,
(in millions)	2023		2022		2023		2022
Service cost	$	5	$	8	$	15	$	24
Non-service cost (benefit)
Interest cost		18		14		54		42
Expected return on plan assets		(27)		(24)		(81)		(72)
Amortization of net gain		(12)		(12)		(36)		(36)
Regulatory adjustment		16		14		48		42
Total non-service benefit1	$	(5)	$	(8)	$	(15)	$	(24)
Total expense	$	—	$	—	$	—	$	—

1 Included in "Other income" on Edison International's and SCE's consolidated statements of income.