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

9 Months Ended

Sep. 30, 2013

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Periodic Benefit Costs

Components of net periodic benefit cost (credit) for the three and nine months ended September 30, 2013 and 2012 are as follows:

	Pension Benefits						OPEB
	Three Months Ended September 30,						Three Months Ended September 30,
	2013			2012			2013			2012
	(in millions)
Service cost	$	4		$	7		$	—		$	—
Interest cost	17			19			4			3
Expected return on plan assets	(18		)	(15		)	—			—
Amortization of actuarial losses	7			10			1			1
Amortization of prior service credit	1			—			(2		)	(3		)
Curtailment gain	—			—			(19		)	(51		)
	$	11		$	21		$	(16	)	$	(50	)

	Pension Benefits						OPEB
	Nine Months Ended September 30,						Nine Months Ended September 30,
	2013			2012			2013			2012
	(in millions)
Service cost	$	12		$	21		$	—		$	—
Interest cost	52			60			12			11
Expected return on plan assets	(53		)	(47		)	—			—
Amortization of actuarial losses	20			29			4			1
Amortization of prior service credit	1			—			(8		)	(11		)
Settlement gain	—			(1		)	—			—
Curtailment gain	—			—			(38		)	(51		)
	$	32		$	62		$	(30	)	$	(50	)