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Revenue - Summary of Disaggregate Revenue by Destinations (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | $ 5,524 | $ 6,090 | $ 8,479
Operating Segments [Member] | Wellbore Technologies [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 1,959 | 1,867 | 3,214
Operating Segments [Member] | Completion & Production Solutions [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 1,963 | 2,433 | 2,771
Operating Segments [Member] | Rig Technologies [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 1,739 | 1,919 | 2,682
Intersegment Eliminations [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | (137) | (129) | (188)
Continental [Member] | Operating Segments [Member] | Intersubsegment Eliminations [Member] | Wellbore Technologies [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 64 | 55 | 63
Continental [Member] | Operating Segments [Member] | Intersubsegment Eliminations [Member] | Completion & Production Solutions [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 43 | 43 | 59
Continental [Member] | Operating Segments [Member] | Intersubsegment Eliminations [Member] | Rig Technologies [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 30 | 31 | 66
Continental [Member] | Intersegment Eliminations [Member] | Intersubsegment Eliminations [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | (137) | (129) | (188)
Continental [Member] | North America [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 1,968 | 1,802 | 3,361
Continental [Member] | North America [Member] | Operating Segments [Member] | Wellbore Technologies [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 904 | 824 | 1,710
Continental [Member] | North America [Member] | Operating Segments [Member] | Completion & Production Solutions [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 789 | 751 | 1,122
Continental [Member] | North America [Member] | Operating Segments [Member] | Rig Technologies [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 275 | 227 | 529
Continental [Member] | International [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 3,556 | 4,288 | 5,118
Continental [Member] | International [Member] | Operating Segments [Member] | Wellbore Technologies [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 991 | 988 | 1,441
Continental [Member] | International [Member] | Operating Segments [Member] | Completion & Production Solutions [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 1,131 | 1,639 | 1,590
Continental [Member] | International [Member] | Operating Segments [Member] | Rig Technologies [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 1,434 | 1,661 | 2,087
Land and Offshore [Member] | Operating Segments [Member] | Intersubsegment Eliminations [Member] | Wellbore Technologies [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 64 | 55 | 63
Land and Offshore [Member] | Operating Segments [Member] | Intersubsegment Eliminations [Member] | Completion & Production Solutions [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 43 | 43 | 59
Land and Offshore [Member] | Operating Segments [Member] | Intersubsegment Eliminations [Member] | Rig Technologies [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 30 | 31 | 66
Land and Offshore [Member] | Intersegment Eliminations [Member] | Intersubsegment Eliminations [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | (137) | (129) | (188)
Land and Offshore [Member] | Land Destination [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 3,063 | 3,207 | 5,097
Land and Offshore [Member] | Land Destination [Member] | Operating Segments [Member] | Wellbore Technologies [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 1,423 | 1,308 | 2,531
Land and Offshore [Member] | Land Destination [Member] | Operating Segments [Member] | Completion & Production Solutions [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 1,250 | 1,426 | 1,808
Land and Offshore [Member] | Land Destination [Member] | Operating Segments [Member] | Rig Technologies [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 390 | 473 | 758
Land and Offshore [Member] | Offshore Destination [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 2,461 | 2,883 | 3,382
Land and Offshore [Member] | Offshore Destination [Member] | Operating Segments [Member] | Wellbore Technologies [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 472 | 504 | 620
Land and Offshore [Member] | Offshore Destination [Member] | Operating Segments [Member] | Completion & Production Solutions [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | 670 | 964 | 904
Land and Offshore [Member] | Offshore Destination [Member] | Operating Segments [Member] | Rig Technologies [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Disaggregate revenue | $ 1,319 | $ 1,415 | $ 1,858

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