PENSIONS AND OTHER POSTRETIREMENT BENEFITS

3 Months Ended

Mar. 31, 2025

Postemployment Benefits [Abstract]

PENSIONS AND OTHER POSTRETIREMENT BENEFITS

NOTE 9 - PENSIONS AND OTHER POSTRETIREMENT BENEFITS

We offer defined benefit pension plans, defined contribution pension plans and OPEB plans to a significant portion of our employees and retirees. Benefits are also provided through multiemployer plans for certain union members.

The following are the components of defined benefit pension and OPEB costs (credits):

DEFINED BENEFIT PENSION COSTS (CREDITS)

	Three Months Ended March 31,
(In millions)	2025		2024
Service cost	$	7	$	7
Interest cost	53		55
Expected return on plan assets	(79)		(80)
Amortization:
Prior service costs	4		4
Net actuarial gain	(2)		—
Net periodic benefit credits	$	(17)	$	(14)

OPEB COSTS (CREDITS)

	Three Months Ended March 31,
(In millions)	2025		2024
Service cost	$	2	$	2
Interest cost	14		12
Expected return on plan assets	(11)		(11)
Termination benefits1	—		2
Amortization:
Prior service credits	(3)		(4)
Net actuarial gain	(33)		(38)
Net periodic benefit credits	$	(31)	$	(37)
1 The termination benefits relate to the announcement of the indefinite idle of our Weirton tinplate production plant.

Based on funding requirements, we made $15 million and a nominal amount of defined benefit pension contributions for the three months ended March 31, 2025 and 2024, respectively. Based on funding requirements, we made no contributions to our voluntary employee benefit association trust plans for both the three months ended March 31, 2025 and 2024.