Additional Information (Tables)

12 Months Ended

Dec. 31, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Other Nonoperating Income (Expense)

	For the Years Ended December 31,
(in millions)	2015			2014			2013
Research and development expense	$	186		$	167		$	153
Advertising expense	$	25		$	30		$	7
Interest and other debt expense, net:
Interest expense	$	808		$	857		$	1,053
Interest income	(4		)	(2		)	(4		)
Interest related to NPM Adjustment Items	13			(47		)	—
	$	817		$	808		$	1,049
Rent expense	$	48		$	52		$	49

Schedule of Rental Commitments and Sublease Income Under Non-Cancelable Operating Leases

Minimum rental commitments and sublease income under non-cancelable operating leases in effect at December 31, 2015 were as follows:

(in millions)	Rental Commitments		Sublease Income
2016	$	58	$	6
2017	52		5
2018	45		5
2019	32		5
2020	28		5
Thereafter	94		23
	$	309	$	49

Schedule of Valuation and Qualifying Accounts

The activity in the allowance for discounts and allowance for returned goods for the years ended December 31, 2015, 2014 and 2013 was as follows:

(in millions)	2015						2014						2013
	Discounts			Returned Goods			Discounts			Returned Goods			Discounts			Returned Goods
Balance at beginning of year	$	—		$	46		$	—		$	41		$	—		$	42
Charged to costs and expenses	618			217			599			179			610			150
Deductions (1)	(618		)	(195		)	(599		)	(174		)	(610		)	(151		)
Balance at end of year	$	—		$	68		$	—		$	46		$	—		$	41

⁽¹⁾ Represents the recording of discounts and returns for which allowances were created.