v3.26.3
Segment Information - Summary of Significant Segment Expenses (Detail) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting [Line Items]        
Depreciation and amortization $ 698 $ 638 $ 2,095 [1] $ 1,911 [1]
Digital Integration | Operating Segments        
Segment Reporting [Line Items]        
Compensation 191 185 566 557
Cost of products, materials, and supplies 0 0 0 0
Depreciation and amortization 34 28 115 117
Allocations 86 82 265 244
Other 188 176 562 453
Segment Expenses 499 471 1,508 1,371
Reservoir Performance | Operating Segments        
Segment Reporting [Line Items]        
Compensation 384 393 1,160 1,207
Cost of products, materials, and supplies 248 292 762 879
Depreciation and amortization 118 110 348 321
Allocations 162 160 485 487
Other 456 415 1,274 1,270
Segment Expenses 1,368 1,370 4,029 4,164
Well Construction | Operating Segments        
Segment Reporting [Line Items]        
Compensation 576 586 1,737 1,781
Cost of products, materials, and supplies 808 807 2,327 2,427
Depreciation and amortization 157 170 479 502
Allocations 230 230 691 720
Other 642 616 1,878 1,780
Segment Expenses 2,413 2,409 7,112 7,210
Production Systems | Operating Segments        
Segment Reporting [Line Items]        
Compensation 472 404 1,420 877
Cost of products, materials, and supplies 2,302 2,005 6,445 5,526
Depreciation and amortization 154 131 458 312
Allocations 137 130 410 406
Other 289 245 817 606
Segment Expenses $ 3,354 $ 2,915 $ 9,550 $ 7,727
[1] Includes depreciation of fixed assets and amortization of intangible assets, exploration data costs, and Asset Performance Solutions ("APS") investments.