Pension Benefits (Tables)

9 Months Ended

Sep. 30, 2017

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						Year to date
	2017			2016			2017			2016
Service cost	$	2		$	4		$	8		$	12
Interest cost	9			12			29			37
Expected return on plan assets	(10		)	(15		)	(33		)	(45		)
Amortization of net loss	1			1			4			4
Amortization of prior service cost	2			2			4			4
Net periodic benefit cost	$	4		$	4		$	12		$	12
Additional loss recognized due to settlements(a)	$	8		$	1		$	16		$	1
Pension data adjustment(b)	$	—		$	—		$	22		$	—
Special termination benefits	$	2		$	—		$	2		$	—

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

(b) Reflects a non-cash, out-of-year charge related to the adjustment of certain historical deferred vested liability balances in the Plan during the first quarter of 2017 recorded in Other pension (income) expense. See Note 5.