Other Income (Expense), Net - Schedule of Specific Components of Other Income (Expense), Net (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Other Income and Expenses [Abstract]
Loss on sale of equity method investment	$ 0	$ 0	$ 0	$ (11)	$ (11)
Foreign currency transaction gain (loss)	3	0	1	0
Gain on sale of assets	0	0	9	4
Third-party royalty income	1	2	3	4
Legal separation costs	0	(1)	0	(2)
Financing charges	(4)	(2)	(7)	(4)
Other	2	1	6	6
Other income (expense), net	$ 2	$ 0	12	$ (3)
Gain related to sale of real estate made in a prior year			$ 9