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Segments - Operating Segments (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | $ 2,132 | $ 2,106 | $ 4,072 | $ 3,901
Total operating profit (loss) | (5,728) | 52 | (5,776) | 51
Total other items | 5,769 |  | 5,780 | (12)
Intersegment Eliminations [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | (52) | (76) | (103) | (145)
Total operating profit (loss) | (79) | (88) | (142) | (135)
Total other items | 11 |  | 11 | (18)
Operating Segments [Member] | Wellbore Technologies [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 850 | 793 | 1,657 | 1,504
Total operating profit (loss) | (3,295) | 38 | (3,276) | 50
Total other items | 3,345 |  | 3,343 | (3)
Operating Segments [Member] | Completion & Production Solutions [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 663 | 738 | 1,244 | 1,408
Total operating profit (loss) | (1,932) | 40 | (1,967) | 56
Total other items | 1,939 |  | 1,950 | 3
Operating Segments [Member] | Rig Technologies [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 671 | 651 | 1,274 | 1,134
Total operating profit (loss) | (422) | $ 62 | (391) | 80
Total other items | $ 474 |  | $ 476 | $ 6

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