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Segment Information - Schedule of Segment Reporting Information, by Segment (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Segment Reporting Information [Line Items]      
Revenue $ 22,929 $ 23,601 $ 32,917
Income Before Taxes 2,374 (11,298) (10,418)
Assets 41,511 42,434 56,312
Depreciation and Amortization [1] 2,120 2,566 3,589
Capital Investments 1,654 1,520 2,736
Pretax segment operating income 3,365 2,401 3,978
Interest expense 539 563 609
Charges & credits 65 12,515 12,901
Digital Integration      
Segment Reporting Information [Line Items]      
Revenue 3,290 3,067 4,145
Reservoir Performance      
Segment Reporting Information [Line Items]      
Revenue 4,599 5,602 9,299
Well Construction      
Segment Reporting Information [Line Items]      
Revenue 8,706 8,614 11,880
Production Systems      
Segment Reporting Information [Line Items]      
Revenue 6,710 6,650 8,167
Operating Segments      
Segment Reporting Information [Line Items]      
Revenue 22,929 23,601 32,917
Interest income 2 2 8
Interest expense 15 28 38
Operating Segments | Digital Integration      
Segment Reporting Information [Line Items]      
Revenue 3,290 3,067 4,145
Income Before Taxes 1,141 727 882
Assets 3,134 3,595 6,388
Depreciation and Amortization 446 615 1,069
Capital Investments 516 413 1,020
Operating Segments | Reservoir Performance      
Segment Reporting Information [Line Items]      
Revenue 4,599 5,602 9,299
Income Before Taxes 648 353 992
Assets 2,923 3,489 5,198
Depreciation and Amortization 415 549 807
Capital Investments 348 384 569
Operating Segments | Well Construction      
Segment Reporting Information [Line Items]      
Revenue 8,706 8,614 11,880
Income Before Taxes 1,195 870 1,429
Assets 4,714 4,768 6,913
Depreciation and Amortization 537 580 656
Capital Investments 424 420 650
Operating Segments | Production Systems      
Segment Reporting Information [Line Items]      
Revenue 6,710 6,650 8,167
Income Before Taxes 634 623 847
Assets 4,684 4,665 5,625
Depreciation and Amortization 302 338 390
Capital Investments 267 240 384
Eliminations & other      
Segment Reporting Information [Line Items]      
Revenue (376) (332) (574)
Income Before Taxes (253) (172) (172)
Assets 1,501 940 1,314
Depreciation and Amortization 269 276 250
Capital Investments 99 63 113
Goodwill and intangible assets 16,201 16,436 23,130
Cash and short-term investments 3,139 3,006 2,167
All other assets 5,215 5,535 5,577
Corporate & other [2] (573) (681) (957)
Interest income [3] 31 31 33
Interest expense [4] (514) (534) (571)
Charges & credits [5] 65 (12,515) (12,901)
Eliminations & other | Corporate and Other      
Segment Reporting Information [Line Items]      
Depreciation and Amortization [2] $ 151 $ 208 $ 417
[1] Includes depreciation of property, plant and equipment and amortization of intangible assets, multiclient seismic data costs and APS investments.
[2] Comprised principally of certain corporate expenses not allocated to the segments, stock-based compensation costs, amortization expense associated with certain intangible assets, certain centrally managed initiatives and other nonoperating items.
[3] Interest income excludes amounts which are included in the segments’ income (2021: $2 million; 2020: $2 million; 2019: $8 million).
[4] Interest expense excludes amounts which are included in the segments’ income (2021: $15 million; 2020: $28 million; 2019: $38 million).
[5] See Note 3 – Charges and Credits.