Pension Benefits (Tables)

3 Months Ended

Mar. 31, 2019

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost

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

	Quarter ended
	2019			2018
Service cost	$	2		$	2
Interest cost	10			9
Expected return on plan assets	(11		)	(10		)
Amortization of net loss	—			4
Amortization of prior service cost	1			1
Net periodic benefit cost	$	2		$	6
Additional loss recognized due to settlements(a)	$	2		$	1

(a) Losses are a result of settlement transactions which exceeded the sum of annual service and interest costs for the applicable plan. These losses were recorded in Other pension (income) expense.