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Business Segments - Business Segments (Detail) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Segment Reporting Information [Line Items]    
Total revenue $ 1,795 $ 1,741
Total operating profit (loss) $ (1) $ (97)
Percentage as of operating profit (loss) to revenue (0.10%) (5.60%)
Operating Segments [Member] | Wellbore Technologies [Member]    
Segment Reporting Information [Line Items]    
Total revenue $ 711 $ 555
Total operating profit (loss) $ 12 $ (57)
Percentage as of operating profit (loss) to revenue 1.70% (10.30%)
Operating Segments [Member] | Completion & Production Solutions [Member]    
Segment Reporting Information [Line Items]    
Total revenue $ 670 $ 648
Total operating profit (loss) $ 16 $ 8
Percentage as of operating profit (loss) to revenue 2.40% 1.20%
Operating Segments [Member] | Rig Technologies [Member]    
Segment Reporting Information [Line Items]    
Total revenue $ 483 $ 582
Total operating profit (loss) $ 18 $ 13
Percentage as of operating profit (loss) to revenue 3.70% 2.20%
Intersegment Eliminations [Member]    
Segment Reporting Information [Line Items]    
Total revenue $ (69) $ (44)
Total operating profit (loss) $ (47) $ (61)