Defined Benefit Pension Plans (Tables)

6 Months Ended

Jun. 30, 2021

Retirement Benefits [Abstract]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

e 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, 2021, and 2020:

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Service cost	$	—	$	1	$	1	$	1
Other components of net periodic pension cost1:
Interest cost	2		3		4		5
Expected return on plan assets	(3)		(4)		(6)		(7)
Amortization of prior service cost	—		—		—		—
Amortization of net loss	1		1		3		3
Net periodic pension cost	$	1	$	1	$	1	$	2

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