Compensation and Benefit Plans

3 Months Ended

Mar. 31, 2025

Retirement Benefits [Abstract]

Compensation and Benefit Plans

Note 9.  Compensation and Benefit Plans

Pension Plans

Net periodic pension expense components are:

	Three months ended March 31,
(in millions)	2025		2024
Edison International:
Service cost	$	23	$	24
Non-service cost (benefit)
Interest cost	48		44
Expected return on plan assets	(58)		(59)
Amortization of net loss1	—		1
Regulatory adjustment	(7)		(5)
Total non-service benefit2	$	(17)	$	(19)
Total expense	$	6	$	5
SCE:
Service cost	$	23	$	24
Non-service cost (benefit)
Interest cost	44		40
Expected return on plan assets	(55)		(55)
Amortization of net loss1	—		1
Regulatory adjustment	(7)		(5)
Total non-service benefit2	$	(18)	$	(19)
Total expense	$	5	$	5

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

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

Postretirement Benefits Other Than Pensions ("PBOP")

Net periodic PBOP expense components for Edison International and SCE are:

	Three months ended March 31,
(in millions)	2025		2024
Service cost	$	3	$	3
Non-service cost (benefit)
Interest cost	10		9
Expected return on plan assets	(27)		(28)
Amortization of net gain	(20)		(24)
Regulatory adjustment	34		40
Total non-service benefit1	$	(3)	$	(3)
Total expense	$	—	$	—

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