Postretirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Components of net periodic benefit cost and other amounts recognized in other comprehensive income

The following table provides the components of net periodic benefit cost for our defined benefit pension plans, disaggregated by domestic and international plans.

	Three Months Ended						Six Months Ended
	June 30,						June 30,
(in millions)	2015			2014			2015			2014
Domestic defined benefit pension plans:
Service cost	$	1		$	1		$	1		$	1
Interest cost	1			1			2			2
Expected return on plan assets	(1		)	(1		)	(2		)	(2		)
Amortization of net actuarial loss	—			—			1			1
Net periodic benefit cost	$	1		$	1		$	2		$	2
International defined benefit pension plans:
Service cost	$	3		$	4		$	6		$	8
Interest cost	6			7			12			14
Expected return on plan assets	(9		)	(9		)	(17		)	(17		)
Amortization of net actuarial loss	4			2			7			4
Net periodic benefit cost	$	4		$	4		$	8		$	9
Total net periodic benefit cost	$	5		$	5		$	10		$	11