Compensation and Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2024

Pension Plans

Pension and Other Postretirement Benefits

Summary of expense components for plans

	Three months ended
	March 31,
(in millions)	2024		2023
Edison International:
Service cost	$	24	$	25
Non-service cost (benefit)
Interest cost		44		45
Expected return on plan assets		(59)		(54)
Amortization of net loss1		1		1
Regulatory adjustment		(5)		(12)
Total non-service benefit2	$	(19)	$	(20)
Total expense	$	5	$	5
SCE:
Service cost	$	24	$	24
Non-service cost (benefit)
Interest cost		40		42
Expected return on plan assets		(55)		(51)
Amortization of net loss1		1		—
Regulatory adjustment		(5)		(12)
Total non-service benefit2	$	(19)	$	(21)
Total expense	$	5	$	3

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

2 Included in "Other Income, net" 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
	March 31,
(in millions)	2024		2023
Service cost	$	3	$	5
Non-service cost (benefit)
Interest cost		9		18
Expected return on plan assets		(28)		(27)
Amortization of net gain		(24)		(12)
Regulatory adjustment		40		16
Total non-service benefit1	$	(3)	$	(5)
Total expense	$	—	$	—

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