Other Expenses (Income), Net - Schedule of Other Expenses (Income), Net (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Other Income and Expenses [Abstract]
Equity loss	$ 22	$ 20
Interest income	(4)	(3)
Foreign currency losses (gains), net	15	(16)
Net loss from asset sales	2
Net loss (gain) on mark-to-market derivative contracts (N)	1	(4)
Other, net	(2)	(9)
Other (income) expenses, net	$ 34	$ (12)