Postretirement benefit plans

3 Months Ended

Mar. 31, 2023

Retirement Benefits [Abstract]

Postretirement benefit plans

Postretirement benefit plansExpenses related to defined benefit and retiree health care benefit plans are as follows:

	U.S. Defined Benefit				U.S. Retiree Health Care				Non-U.S. Defined Benefit
For Three Months Ended March 31,	2023		2022		2023		2022		2023		2022
Service cost	$	2	$	4	$	—	$	1	$	4	$	7
Interest cost	7		6		4		3		14		10
Expected return on plan assets	(6)		(8)		(5)		(4)		(15)		(18)
Recognized net actuarial losses (gains)	2		—		(1)		—		3		—
Net periodic benefit costs (credits)	5		2		(2)		—		6		(1)
Settlement losses	—		2		—		—		—		1
Total, including other postretirement losses (gains)	$	5	$	4	$	(2)	$	—	$	6	$	—