Employee Benefit Plans

3 Months Ended

Mar. 31, 2025

Retirement Benefits [Abstract]

EMPLOYEE BENEFIT PLANS

7.    EMPLOYEE BENEFIT PLANS

The components of net periodic benefit cost related to our defined benefit plans were as follows (in millions):

	Pension Plans				Other Postretirement Benefit Plans
	2025		2024		2025		2024
Three months ended March 31
Service cost	$	27	$	28	$	1	$	1
Interest cost	34		31		3		3
Expected return on plan assets	(55)		(53)		—		—
Amortization of:
Net actuarial gain	(2)		(1)		(2)		(1)
Prior service cost (credit)	2		(3)		—		—
Settlement loss	1		—		—		—
Net periodic benefit cost	$	7	$	2	$	2	$	3

The components of net periodic benefit cost other than the service cost component (i.e., the non-service cost components) are included in “other income, net.”