Employee Benefit Plans

6 Months Ended

Jun. 30, 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 June 30
Service cost	$	27	$	28	$	1	$	1
Interest cost	34		32		3		3
Expected return on plan assets	(56)		(54)		—		—
Amortization of:
Net actuarial gain	(2)		(2)		(2)		(1)
Prior service cost (credit)	1		(2)		—		—
Settlement loss	2		—		—		—
Net periodic benefit cost	$	6	$	2	$	2	$	3
Six months ended June 30
Service cost	$	54	$	56	$	2	$	2
Interest cost	68		63		6		6
Expected return on plan assets	(111)		(107)		—		—
Amortization of:
Net actuarial gain	(4)		(3)		(4)		(2)
Prior service cost (credit)	3		(5)		—		—
Settlement loss	3		—		—		—
Net periodic benefit cost	$	13	$	4	$	4	$	6

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.”