Defined Benefit Pension Plans (Tables)

6 Months Ended

Jun. 30, 2022

Retirement Benefits [Abstract]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

The following table summarizes our net periodic pension cost for our defined benefit pension and postretirement plans during the three and six months ended June 30, 2022 and 2021 (dollar amounts in millions):

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Service cost	$	1	$	—	$	2	$	1
Other components of net periodic pension cost1:
Interest cost	2		2		3		4
Expected return on plan assets	(2)		(3)		(3)		(6)
Amortization of prior service cost	—		—		—		—
Amortization of net loss	1		1		2		3
Net periodic pension cost	$	2	$	1	$	4	$	1

1Other components of net periodic pension cost are included in Other non-operating items on our Condensed Consolidated Statements of Income.