Segment Information - Summary of North America and International Revenue Disaggregated by Segment (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Revenue	$ 8,546	$ 9,139	$ 17,035	$ 17,846
Digital Integration
Segment Reporting Information [Line Items]
Revenue	995	1,050	2,001	2,003
Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	1,691	1,819	3,391	3,544
Well Construction
Segment Reporting Information [Line Items]
Revenue	2,963	3,411	5,940	6,779
Production Systems
Segment Reporting Information [Line Items]
Revenue	3,036	3,025	5,974	5,843
Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(139)	(166)	(271)	(323)
Operating Segments
Segment Reporting Information [Line Items]
Revenue	8,546	9,139	17,035	17,846
Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	995	1,050	2,001	2,003
Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	1,691	1,819	3,391	3,544
Operating Segments \| Well Construction
Segment Reporting Information [Line Items]
Revenue	2,963	3,411	5,940	6,779
Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	3,036	3,025	5,974	5,843
Operating Segments \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(139)	(166)	(271)	(323)
North America \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	1,655	1,644	3,373	3,242
North America \| Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	223	291	512	527
North America \| Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	148	134	290	264
North America \| Operating Segments \| Well Construction
Segment Reporting Information [Line Items]
Revenue	512	592	1,054	1,196
North America \| Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	789	640	1,557	1,286
North America \| Operating Segments \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(17)	(13)	(40)	(31)
International \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	6,847	7,452	13,573	14,507
International \| Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	769	757	1,486	1,474
International \| Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	1,541	1,684	3,097	3,276
International \| Operating Segments \| Well Construction
Segment Reporting Information [Line Items]
Revenue	2,394	2,768	4,775	5,475
International \| Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	2,243	2,378	4,410	4,543
International \| Operating Segments \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(100)	(135)	(195)	(261)
Other \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	44	43	89	97
Other \| Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	3	2	3	2
Other \| Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	2	1	4	4
Other \| Operating Segments \| Well Construction
Segment Reporting Information [Line Items]
Revenue	57	51	111	108
Other \| Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	4	7	7	14
Other \| Operating Segments \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	$ (22)	$ (18)	$ (36)	$ (31)