Pensions and Other Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2023

Net periodic pension benefit cost/(income) and other postretirement benefit cost for the three months ended March 31, 2023 and 2022 was as follows:


	Pension		Other Postretirement Benefits
	Three Months Ended March 31		Three Months Ended March 31
($ in millions)	2023	2022	2023	2022
Service cost	$2	$2	$1	$3
Interest cost	31	19	7	4
Expected return on plan assets	(31)	(36)	—	—
Amortization of actuarial losses	7	8	—	4
Amortization of prior service credit	—	—	(2)	(3)
Settlement	190	—	—	—
Net periodic benefit cost/(income)	$199	($7)	$6	$8

Contributions to Defined Benefit Pension Plans


	Three Months Ended March 31
($ in millions)	2023	2022

Non-U.S. defined benefit pension mandatory contributions	$1	$1