PENSION AND OTHER POSTRETIREMENT BENEFIT PROGRAMS

3 Months Ended

Mar. 31, 2026

Retirement Benefits [Abstract]

PENSION AND OTHER POSTRETIREMENT BENEFIT PROGRAMS

PENSION AND OTHER POSTRETIREMENT BENEFIT PROGRAMS

The following is a summary of net periodic benefit cost relating to our pension and OPEB plans.

	Three Months Ended March 31,
(in millions)	2026		2025
Pension benefits
Service cost	$	3	$	3
Interest cost	31		34
Expected return on plan assets	(42)		(44)
Amortization of net losses and prior service costs	3		1
Net periodic pension cost (benefit)	$	(5)	$	(6)
OPEB
Interest cost	$	1	$	2
Amortization of net loss and prior service credit	—		(4)
Net periodic OPEB cost (income)	$	1	$	(2)