Segment Information - Summary of North America and International Revenue Disaggregated by Segment (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Segment Reporting Information [Line Items]
Revenue	$ 9,449	$ 8,928	$ 27,142	$ 25,963
Digital Integration
Segment Reporting Information [Line Items]
Revenue	693	658	2,030	1,836
Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	1,634	1,682	4,783	5,072
Well Construction
Segment Reporting Information [Line Items]
Revenue	2,888	2,967	8,427	8,908
Production Systems
Segment Reporting Information [Line Items]
Revenue	4,000	3,474	11,278	9,247
All Other
Segment Reporting Information [Line Items]
Revenue	544	397	1,492	1,542
Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(310)	(250)	(868)	(642)
Operating Segments
Segment Reporting Information [Line Items]
Revenue	9,449	8,928	27,142	25,963
Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	693	658	2,030	1,836
Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	1,634	1,682	4,783	5,072
Operating Segments \| Well Construction
Segment Reporting Information [Line Items]
Revenue	2,888	2,967	8,427	8,908
Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	4,000	3,474	11,278	9,247
Operating Segments \| All Other
Segment Reporting Information [Line Items]
Revenue	544	397	1,492	1,542
Operating Segments \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(310)	(250)	(868)	(642)
North America \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	2,401	1,930	6,812	5,303
North America \| Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	168	156	535	453
North America \| Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	154	143	443	433
North America \| Operating Segments \| Well Construction
Segment Reporting Information [Line Items]
Revenue	579	527	1,676	1,581
North America \| Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	1,335	1,008	3,800	2,365
North America \| Operating Segments \| All Other
Segment Reporting Information [Line Items]
Revenue	231	132	562	990
North America \| Operating Segments \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(66)	(36)	(204)	(519)
International \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	6,993	6,916	20,134	20,490
International \| Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	523	500	1,492	1,377
International \| Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	1,472	1,536	4,325	4,633
International \| Operating Segments \| Well Construction
Segment Reporting Information [Line Items]
Revenue	2,274	2,371	6,624	7,146
International \| Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	2,642	2,440	7,392	6,850
International \| Operating Segments \| All Other
Segment Reporting Information [Line Items]
Revenue	313	264	930	550
International \| Operating Segments \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(231)	(195)	(629)	(66)
Other \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	55	82	196	170
Other \| Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	2	2	3	6
Other \| Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	8	3	15	6
Other \| Operating Segments \| Well Construction
Segment Reporting Information [Line Items]
Revenue	35	69	127	181
Other \| Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	23	26	86	32
Other \| Operating Segments \| All Other
Segment Reporting Information [Line Items]
Revenue	0	1	(0)	2
Other \| Operating Segments \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	$ (13)	$ (19)	$ (35)	$ (57)