Pension Benefits (Tables)

6 Months Ended

Jun. 30, 2023

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost

The components of net periodic benefit cost associated with our U.S. pension plans are as follows:

	Quarter ended				Year to date
	2023		2022		2023		2022
Service cost	$	1	$	1	$	2	$	3
Interest cost	11		8		21		16
Expected return on plan assets	(13)		(11)		(25)		(23)
Amortization of net (gain) / loss	(1)		2		(1)		5
Amortization of prior service cost	1		2		1		3
Net periodic benefit cost	$	(1)	$	2	$	(2)	$	4