Pension Plans (Tables)

3 Months Ended

Mar. 31, 2016

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,
	2016						2015
	U.S.			Foreign			U.S.			Foreign
Service cost	$	3		$	3		$	4		$	4
Interest cost	10			81			12			102
Expected return on plan assets	(17		)	(52		)	(17		)	(72		)
Amortization of prior service cost	2			—			2			—
Amortization of net loss	5			4			5			8
Total pension cost	$	3		$	36		$	6		$	42
	Three Months Ended March 31, 2016						Remainder of 2016 (Expected)
	U.S.			Foreign			U.S.			Foreign
Total employer contributions	$	21		$	22		$	—		$	72