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v3.20.4

Segment Information - Summary of North America and International Revenue Disaggregated by Segment (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Segment Reporting Information [Line Items] |  |  |
Revenue | $ 23,601 | $ 32,917 | $ 32,815
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 23,601 | 32,917 | 32,815
Eliminations & other |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 121 | 229 | 377
North America | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 5,478 | 10,446 | 11,730
International | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 18,002 | 22,242 | 20,708
Digital Integration |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 3,076 | 4,145 | 3,820
Digital Integration | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 3,076 | 4,145 | 3,820
Digital Integration | Eliminations & other |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 7 | 8 | 140
Digital Integration | North America | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 573 | 865 | 786
Digital Integration | International | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 2,496 | 3,272 | 2,894
Reservoir Performance |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 5,602 | 9,299 | 10,050
Reservoir Performance | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 5,602 | 9,299 | 10,050
Reservoir Performance | Eliminations & other |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 12 | 11 | 9
Reservoir Performance | North America | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 1,547 | 3,779 | 4,975
Reservoir Performance | International | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 4,043 | 5,509 | 5,066
Well Construction |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 8,605 | 11,880 | 11,310
Well Construction | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 8,605 | 11,880 | 11,310
Well Construction | Eliminations & other |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 196 | 257 | 316
Well Construction | North America | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 1,453 | 2,814 | 2,911
Well Construction | International | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 6,956 | 8,809 | 8,083
Production Systems |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 6,650 | 8,167 | 8,168
Production Systems | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 6,650 | 8,167 | 8,168
Production Systems | Eliminations & other |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 27 | 55 | 63
Production Systems | North America | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 1,921 | 3,053 | 3,139
Production Systems | International | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | 4,702 | 5,059 | 4,966
Eliminations & Other |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | (332) | (574) | (533)
Eliminations & Other | Eliminations & other |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | (121) | (102) | (151)
Eliminations & Other | North America | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | (16) | (65) | (81)
Eliminations & Other | International | Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenue | $ (195) | $ (407) | $ (301)

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