Segment Information - Summary of North America and International Revenue Disaggregated by Segment (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Segment Reporting Information [Line Items]
Revenue	$ 8,972	$ 8,546	$ 17,693	$ 17,035
Digital Integration
Segment Reporting Information [Line Items]
Revenue	697	591	1,337	1,177
Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	1,556	1,691	3,150	3,391
Well Construction
Segment Reporting Information [Line Items]
Revenue	2,742	2,963	5,539	5,940
Production Systems
Segment Reporting Information [Line Items]
Revenue	3,771	2,932	7,279	5,773
All Other
Segment Reporting Information [Line Items]
Revenue	505	583	948	1,145
Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(299)	(214)	(560)	(391)
Operating Segments
Segment Reporting Information [Line Items]
Revenue	8,972	8,546	17,693	17,035
Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	697	591	1,337	1,177
Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	1,556	1,691	3,150	3,391
Operating Segments \| Well Construction
Segment Reporting Information [Line Items]
Revenue	2,742	2,963	5,539	5,940
Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	3,771	2,932	7,279	5,773
Operating Segments \| All Other
Segment Reporting Information [Line Items]
Revenue	505	583	948	1,145
Operating Segments \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(299)	(214)	(560)	(391)
North America \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	2,244	1,655	4,412	3,373
North America \| Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	170	126	367	297
North America \| Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	147	148	290	290
North America \| Operating Segments \| Well Construction
Segment Reporting Information [Line Items]
Revenue	549	512	1,097	1,054
North America \| Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	1,259	685	2,465	1,356
North America \| Operating Segments \| All Other
Segment Reporting Information [Line Items]
Revenue	188	203	331	419
North America \| Operating Segments \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(69)	(19)	(138)	(43)
International \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	6,671	6,847	13,142	13,573
International \| Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	526	462	969	877
International \| Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	1,409	1,541	2,854	3,097
International \| Operating Segments \| Well Construction
Segment Reporting Information [Line Items]
Revenue	2,156	2,394	4,351	4,775
International \| Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	2,478	2,243	4,750	4,410
International \| Operating Segments \| All Other
Segment Reporting Information [Line Items]
Revenue	317	380	617	727
International \| Operating Segments \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(215)	(173)	(399)	(313)
Other \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	57	44	139	89
Other \| Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	1	3	1	3
Other \| Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	0	2	6	4
Other \| Operating Segments \| Well Construction
Segment Reporting Information [Line Items]
Revenue	37	57	91	111
Other \| Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	34	4	64	7
Other \| Operating Segments \| All Other
Segment Reporting Information [Line Items]
Revenue	0	0	(0)	(1)
Other \| Operating Segments \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	$ (15)	$ (22)	$ (23)	$ (35)