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Revenue - Summary of Disaggregate Revenue by Destinations (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | $ 1,883 | $ 1,940
Operating Segments [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 557 |
Operating Segments [Member] | Wellbore Technologies [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 691 | 807
Operating Segments [Member] | Completion & Production Solutions [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 675 | 581
Operating Segments [Member] | Rig Technologies [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 557 | 603
Intersegment Eliminations [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | (40) | (51)
Continental [Member] | Intersubsegment Eliminations [Member] | Operating Segments [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 10 |
Continental [Member] | Intersubsegment Eliminations [Member] | Operating Segments [Member] | Wellbore Technologies [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 17 | 16
Continental [Member] | Intersubsegment Eliminations [Member] | Operating Segments [Member] | Completion & Production Solutions [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 13 | 16
Continental [Member] | Intersubsegment Eliminations [Member] | Operating Segments [Member] | Rig Technologies [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue |  | 19
Continental [Member] | Intersubsegment Eliminations [Member] | Intersegment Eliminations [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | (40) | (51)
Continental [Member] | North America [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 663 | 870
Continental [Member] | North America [Member] | Operating Segments [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 77 |
Continental [Member] | North America [Member] | Operating Segments [Member] | Wellbore Technologies [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 361 | 460
Continental [Member] | North America [Member] | Operating Segments [Member] | Completion & Production Solutions [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 225 | 269
Continental [Member] | North America [Member] | Operating Segments [Member] | Rig Technologies [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue |  | 141
Continental [Member] | International [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 1,220 | 1,070
Continental [Member] | International [Member] | Operating Segments [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 470 |
Continental [Member] | International [Member] | Operating Segments [Member] | Wellbore Technologies [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 313 | 331
Continental [Member] | International [Member] | Operating Segments [Member] | Completion & Production Solutions [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 437 | 296
Continental [Member] | International [Member] | Operating Segments [Member] | Rig Technologies [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue |  | 443
Land and Offshore [Member] | Intersubsegment Eliminations [Member] | Operating Segments [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 10 |
Land and Offshore [Member] | Intersubsegment Eliminations [Member] | Operating Segments [Member] | Wellbore Technologies [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 17 | 16
Land and Offshore [Member] | Intersubsegment Eliminations [Member] | Operating Segments [Member] | Completion & Production Solutions [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 13 | 16
Land and Offshore [Member] | Intersubsegment Eliminations [Member] | Operating Segments [Member] | Rig Technologies [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue |  | 19
Land and Offshore [Member] | Intersubsegment Eliminations [Member] | Intersegment Eliminations [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | (40) | (51)
Land and Offshore [Member] | Land Destination [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 1,096 | 1,285
Land and Offshore [Member] | Land Destination [Member] | Operating Segments [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 151 |
Land and Offshore [Member] | Land Destination [Member] | Operating Segments [Member] | Wellbore Technologies [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 529 | 665
Land and Offshore [Member] | Land Destination [Member] | Operating Segments [Member] | Completion & Production Solutions [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 416 | 405
Land and Offshore [Member] | Land Destination [Member] | Operating Segments [Member] | Rig Technologies [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue |  | 215
Land and Offshore [Member] | Offshore Destination [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 787 | 655
Land and Offshore [Member] | Offshore Destination [Member] | Operating Segments [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 396 |
Land and Offshore [Member] | Offshore Destination [Member] | Operating Segments [Member] | Wellbore Technologies [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | 145 | 126
Land and Offshore [Member] | Offshore Destination [Member] | Operating Segments [Member] | Completion & Production Solutions [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue | $ 246 | 160
Land and Offshore [Member] | Offshore Destination [Member] | Operating Segments [Member] | Rig Technologies [Member] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregate revenue |  | $ 369

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