The components of net periodic benefit income for our defined benefit pension plans and other postretirement benefit plans (“other benefits”) (collectively, “defined benefit plans”) were as follows:


	First Quarter
	2026						2025
(In millions)	Pension		Other Benefits		Total		Pension		Other Benefits		Total


Operating
Service cost(1)	$	5	$	—	$	5	$	6	$	—	$	6
Non-operating
Interest cost	71		2		73		88		3		91
Expected return on plan assets	(133)		(5)		(138)		(151)		(5)		(156)
Amortization of net actuarial gains	(1)		(3)		(4)		(1)		(3)		(4)
Amortization of prior service credits	(6)		—		(6)		(7)		—		(7)
Effect of settlements	—		—		—		(14)		—		(14)
Non-service cost net periodic benefit income(2)	(69)		(6)		(75)		(85)		(5)		(90)
Net periodic benefit income	$	(64)	$	(6)	$	(70)	$	(79)	$	(5)	$	(84)

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(1)Included in the “Cost of revenue” and “General and administrative expenses” line items in our Condensed Consolidated Statement of Operations.

(2)Included in the “Non-service FAS pension income and other, net” line item in our Condensed Consolidated Statement of Operations.