Multiclient Seismic Data - Multiclient Seismic Data Table (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Multiclient Seismic Data [Abstract]
Opening balance	$ 793	$ 667
Capitalized in period	486	321
Charged to expense	(253)	(195)
Ending balance	$ 1,026	$ 793