Defined Benefit Pension Plans

3 Months Ended

Mar. 31, 2020

Retirement Benefits [Abstract]

Compensation and Employee Benefit Plans

DEFINED BENEFIT PENSION PLANSThe following table summarizes our net periodic pension cost for our defined benefit pension and postretirement plans during the three months ended March 31, 2020 and 2019:

	Three Months Ended March 31,
	2020			2019
Service cost	$	1		$	1
Other components of net periodic pension cost1:
Interest cost	3			4
Expected return on plan assets	(4		)	(4		)
Amortization of prior service cost	—			—
Amortization of net loss	1			1
Net periodic pension cost	$	1		$	2

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