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Segment Information - Schedule of Segment Reporting Information, by Segment (Detail) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Segment Reporting Information [Line Items]      
Revenue $ 8,721 $ 8,490  
Income Before Taxes 956 1,063  
Depreciation and Amortization [1] 685 640  
Capital Investments [2] 510 557  
Assets 54,526   $ 54,868
Interest expense 116 147  
Digital Integration      
Segment Reporting Information [Line Items]      
Revenue 640 587  
Reservoir Performance      
Segment Reporting Information [Line Items]      
Revenue 1,594 1,700  
Well Construction      
Segment Reporting Information [Line Items]      
Revenue 2,797 2,977  
Production Systems      
Segment Reporting Information [Line Items]      
Revenue 3,508 2,841  
All Other      
Segment Reporting Information [Line Items]      
Revenue 443 562  
Eliminations & Other      
Segment Reporting Information [Line Items]      
Revenue (261) (177)  
Operating Segments      
Segment Reporting Information [Line Items]      
Revenue 8,721 8,490  
Interest income 5 0  
Interest expense 0 3  
Operating Segments | Digital Integration      
Segment Reporting Information [Line Items]      
Revenue 640 587  
Income Before Taxes 134 125  
Depreciation and Amortization 33 56  
Capital Investments [2] 65 54  
Assets 902   925
Operating Segments | Reservoir Performance      
Segment Reporting Information [Line Items]      
Revenue 1,594 1,700  
Income Before Taxes 257 282  
Depreciation and Amortization 113 104  
Capital Investments [2] 89 137  
Assets 4,063   3,947
Operating Segments | Well Construction      
Segment Reporting Information [Line Items]      
Revenue 2,797 2,977  
Income Before Taxes 424 589  
Depreciation and Amortization 161 164  
Capital Investments [2] 107 129  
Assets 6,395   6,167
Operating Segments | Production Systems      
Segment Reporting Information [Line Items]      
Revenue 3,508 2,841  
Income Before Taxes 497 471  
Depreciation and Amortization 152 90  
Capital Investments [2] 129 91  
Assets 9,414   9,373
Operating Segments | All Other      
Segment Reporting Information [Line Items]      
Revenue 443 562  
Income Before Taxes 113 162  
Depreciation and Amortization 84 111  
Capital Investments [2] 107 121  
Assets 2,327   2,249
Operating Segments | Eliminations & Other      
Segment Reporting Information [Line Items]      
Revenue (261) (177)  
Income Before Taxes (104) (73)  
Depreciation and Amortization 69 70  
Capital Investments [2] 13 25  
Assets 1,094   1,033
Eliminations & other      
Segment Reporting Information [Line Items]      
Depreciation and Amortization [3] 73 45  
Goodwill and intangibles 21,753   21,783
Cash and short-term investments 3,387   4,212
All other assets 5,191   $ 5,179
Corporate & other [3] (228) (179)  
Interest income [4] 20 36  
Interest expense [5] (116) (144)  
Charges and credits [6] $ (41) $ (206)  
[1] Includes depreciation of fixed assets and amortization of intangible assets, exploration data costs, and Asset Performance Solutions ("APS") investments.
[2] Capital investments includes capital expenditures, APS investments, and exploration data costs capitalized.
[3] 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.
[4] Interest income excludes amounts that are included in the segments’ income ($5 million in 2026; $- million in 2025).
[5] Interest expense excludes amounts that are included in the segments’ income ($- million in 2026; $3 million in 2025).
[6] See Note 2 – Charges and Credits.