Related Party Transactions and Net Parent Company Investment - Schedule of Components of Changes in NOV Net Investment (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Related Party Transaction [Abstract]
Net contribution from (distributions to) NOV per the consolidated statements of stockholders’ equity	$ 3	$ 138
Non-cash adjustments:
Stock-based compensation		(5)
Net transfer of assets and liabilities from NOV		(8)
Adjustment to income tax from spin-off	$ (3)
Less: Net income (loss) attributable to NOV net investment prior to the Spin-off		(58)
Net contributions from (distributions to) NOV per the consolidated statements of cash flows		$ 67