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Segments - Operating Segments (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | $ 2,126 | $ 2,154 | $ 6,198 | $ 6,055
Total operating profit (loss) | (154) | 73 | (5,930) | 124
Intersegment Eliminations [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | (44) | (65) | (147) | (210)
Total operating profit (loss) | (62) | (71) | (204) | (206)
Other significant items |  |  | 11 | (18)
Operating Segments [Member] | Wellbore Technologies [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 793 | 847 | 2,450 | 2,351
Total operating profit (loss) | 42 | 40 | (3,234) | 90
Other significant items | 41 |  | 3,384 | (3)
Operating Segments [Member] | Completion & Production Solutions [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 728 | 735 | 1,972 | 2,143
Total operating profit (loss) | (24) | 46 | (1,991) | 102
Other significant items | 79 |  | 2,029 | 3
Operating Segments [Member] | Rig Technologies [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 649 | 637 | 1,923 | 1,771
Total operating profit (loss) | (110) | $ 58 | (501) | 138
Other significant items | $ 194 |  | $ 670 | $ 6

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