Pensions, Other Post-employment Benefits and Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Periodic Benefit Costs

Components of net periodic benefit cost for the three and six months ended June 30, 2015 and 2014 are as follows:

	Pension Benefits						Other Post-Employment Benefits
	Three Months Ended June 30,						Three Months Ended June 30,
	2015			2014			2015			2014
	(in millions)
Service cost	$	5		$	4		$	—		$	—
Interest cost	16			19			4			5
Expected return on plan assets	(18		)	(19		)	—			—
Amortization of actuarial losses	7			4			—			—
Amortization of prior service credit	—			—			(1		)	(1		)
	$	10		$	8		$	3		$	4

	Pension Benefits						Other Post-Employment Benefits
	Six Months Ended June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
	(in millions)
Service cost	$	10		$	8		$	—		$	—
Interest cost	32			38			7			8
Expected return on plan assets	(35		)	(37		)	—			—
Amortization of actuarial losses	14			6			2			1
Amortization of prior service credit	—			—			(2		)	(2		)
	$	21		$	15		$	7		$	7