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Revenue Recognition - Summary of Disaggregate Revenue by Destinations (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | $ 2,106 | $ 1,759 | $ 3,901 | $ 3,500
Continental [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 2,106 | 1,759 | 3,901 | 3,500
Continental [Member] | North America [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 934 | 757 | 1,776 | 1,405
Continental [Member] | International [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 1,172 | 1,002 | 2,125 | 2,095
Land and Offshore [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 2,106 | 1,759 | 3,901 | 3,500
Land and Offshore [Member] | Land Destination [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 1,377 | 1,073 | 2,578 | 2,073
Land and Offshore [Member] | Offshore Destination [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 729 | 686 | 1,323 | 1,427
Operating Segments [Member] | Wellbore Technologies [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 793 | 614 | 1,504 | 1,169
Operating Segments [Member] | Completion & Production Solutions [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 738 | 652 | 1,408 | 1,300
Operating Segments [Member] | Rig Technologies [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 651 | 546 | 1,134 | 1,128
Operating Segments [Member] | Continental [Member] | Wellbore Technologies [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 793 | 614 | 1,504 | 1,169
Operating Segments [Member] | Continental [Member] | Wellbore Technologies [Member] | Intersubsegment Eliminations [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 18 | 13 | 32 | 25
Operating Segments [Member] | Continental [Member] | Wellbore Technologies [Member] | North America [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 449 | 352 | 864 | 647
Operating Segments [Member] | Continental [Member] | Wellbore Technologies [Member] | International [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 326 | 249 | 608 | 497
Operating Segments [Member] | Continental [Member] | Completion & Production Solutions [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 738 | 652 | 1,408 | 1,300
Operating Segments [Member] | Continental [Member] | Completion & Production Solutions [Member] | Intersubsegment Eliminations [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 22 | 11 | 42 | 24
Operating Segments [Member] | Continental [Member] | Completion & Production Solutions [Member] | North America [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 342 | 265 | 634 | 498
Operating Segments [Member] | Continental [Member] | Completion & Production Solutions [Member] | International [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 374 | 376 | 732 | 778
Operating Segments [Member] | Continental [Member] | Rig Technologies [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 651 | 546 | 1,134 | 1,128
Operating Segments [Member] | Continental [Member] | Rig Technologies [Member] | Intersubsegment Eliminations [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 36 | 29 | 71 | 48
Operating Segments [Member] | Continental [Member] | Rig Technologies [Member] | North America [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 143 | 140 | 278 | 260
Operating Segments [Member] | Continental [Member] | Rig Technologies [Member] | International [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 472 | 377 | 785 | 820
Operating Segments [Member] | Land and Offshore [Member] | Wellbore Technologies [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 793 | 614 | 1,504 | 1,169
Operating Segments [Member] | Land and Offshore [Member] | Wellbore Technologies [Member] | Intersubsegment Eliminations [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 18 | 13 | 32 | 25
Operating Segments [Member] | Land and Offshore [Member] | Wellbore Technologies [Member] | Land Destination [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 660 | 490 | 1,243 | 926
Operating Segments [Member] | Land and Offshore [Member] | Wellbore Technologies [Member] | Offshore Destination [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 115 | 111 | 229 | 218
Operating Segments [Member] | Land and Offshore [Member] | Completion & Production Solutions [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 738 | 652 | 1,408 | 1,300
Operating Segments [Member] | Land and Offshore [Member] | Completion & Production Solutions [Member] | Intersubsegment Eliminations [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 22 | 11 | 42 | 24
Operating Segments [Member] | Land and Offshore [Member] | Completion & Production Solutions [Member] | Land Destination [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 509 | 410 | 955 | 813
Operating Segments [Member] | Land and Offshore [Member] | Completion & Production Solutions [Member] | Offshore Destination [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 207 | 231 | 411 | 463
Operating Segments [Member] | Land and Offshore [Member] | Rig Technologies [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 651 | 546 | 1,134 | 1,128
Operating Segments [Member] | Land and Offshore [Member] | Rig Technologies [Member] | Intersubsegment Eliminations [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 36 | 29 | 71 | 48
Operating Segments [Member] | Land and Offshore [Member] | Rig Technologies [Member] | Land Destination [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 208 | 173 | 380 | 334
Operating Segments [Member] | Land and Offshore [Member] | Rig Technologies [Member] | Offshore Destination [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 407 | 344 | 683 | 746
Intersegment Eliminations [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | (76) | (53) | (145) | (97)
Intersegment Eliminations [Member] | Continental [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | (76) | (53) | (145) | (97)
Intersegment Eliminations [Member] | Continental [Member] | Intersubsegment Eliminations [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | (76) | (53) | (145) | (97)
Intersegment Eliminations [Member] | Land and Offshore [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | (76) | (53) | (145) | (97)
Intersegment Eliminations [Member] | Land and Offshore [Member] | Intersubsegment Eliminations [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | $ (76) | $ (53) | $ (145) | $ (97)

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