Summary of Accounting Policies - Redeemable Non Controlling Interest (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Redeemable Noncontrolling Interest [Roll Forward]
Beginning Balance	$ 35	$ 20	$ 15
Net income attributable to redeemable noncontrolling interests	33	23	14
Sale of 45 percent equity interest from Tenneco Inc	0	4	0
Capital Contributions	0	1	0
Dividends declared	(24)	(13)	(9)
Ending Balance	$ 43	$ 35	$ 20