Employee Benefit Plans

3 Months Ended

Mar. 31, 2026

Retirement Benefits [Abstract]

EMPLOYEE BENEFIT PLANS

8.    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
	2026		2025		2026		2025
Three months ended March 31
Service cost	$	27	$	27	$	1	$	1
Interest cost	32		34		3		3
Expected return on plan assets	(58)		(55)		—		—
Amortization of:
Net actuarial gain	(2)		(2)		(2)		(2)
Prior service cost	2		2		—		—
Settlement loss	1		1		—		—
Net periodic benefit cost	$	2	$	7	$	2	$	2

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.”