Pension Plans (Tables)

3 Months Ended

Mar. 31, 2017

Compensation and Retirement Disclosure [Abstract]

Net Periodic Benefit Cost Table

Total pension cost and employer contributions were as follows for the periods indicated (in millions):

	Three Months Ended March 31,
	2017						2016
	U.S.			Foreign			U.S.			Foreign
Service cost	$	3		$	4		$	3		$	3
Interest cost	10			99			10			78
Expected return on plan assets	(17		)	(73		)	(17		)	(50		)
Amortization of prior service cost	1			—			2			—
Amortization of net loss	5			10			5			4
Curtailment loss recognized	4			—			—			—
Total pension cost	$	6		$	40		$	3		$	35
	Three Months Ended   March 31, 2017						Remainder of 2017 (Expected)
	U.S.			Foreign			U.S.			Foreign
Total employer contributions	$	12		$	40		$	2		$	119