Segment Information - Summary of North America and International Revenue Disaggregated by Segment (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Segment Reporting Information [Line Items]
Revenue	$ 8,928	$ 9,159	$ 25,963	$ 27,005
Digital Integration
Segment Reporting Information [Line Items]
Revenue	658	638	1,836	1,734
Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	1,682	1,823	5,072	5,368
Well Construction
Segment Reporting Information [Line Items]
Revenue	2,967	3,312	8,908	10,090
Production Systems
Segment Reporting Information [Line Items]
Revenue	3,474	3,037	9,247	8,808
All Other
Segment Reporting Information [Line Items]
Revenue	397	554	1,542	1,535
Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(250)	(205)	(642)	(530)
Operating Segments
Segment Reporting Information [Line Items]
Revenue	8,928	9,159	25,963	27,005
Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	658	638	1,836	1,734
Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	1,682	1,823	5,072	5,368
Operating Segments \| Well Construction
Segment Reporting Information [Line Items]
Revenue	2,967	3,312	8,908	10,090
Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	3,474	3,037	9,247	8,808
Operating Segments \| All Other
Segment Reporting Information [Line Items]
Revenue	397	554	1,542	1,535
Operating Segments \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(250)	(205)	(642)	(530)
North America \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	1,930	1,687	5,303	4,929
North America \| Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	156	128	453	413
North America \| Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	143	145	433	409
North America \| Operating Segments \| Well Construction
Segment Reporting Information [Line Items]
Revenue	527	581	1,581	1,776
North America \| Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	1,008	657	2,365	1,871
North America \| Operating Segments \| All Other
Segment Reporting Information [Line Items]
Revenue	132	357	990	1,022
North America \| Operating Segments \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(36)	(181)	(519)	(562)
International \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	6,916	7,425	20,490	21,933
International \| Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	500	509	1,377	1,318
International \| Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	1,536	1,676	4,633	4,952
International \| Operating Segments \| Well Construction
Segment Reporting Information [Line Items]
Revenue	2,371	2,675	7,146	8,151
International \| Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	2,440	2,373	6,850	6,915
International \| Operating Segments \| All Other
Segment Reporting Information [Line Items]
Revenue	264	197	550	513
International \| Operating Segments \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(195)	(5)	(66)	84
Other \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	82	47	170	143
Other \| Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	2	1	6	3
Other \| Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	3	2	6	7
Other \| Operating Segments \| Well Construction
Segment Reporting Information [Line Items]
Revenue	69	56	181	163
Other \| Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	26	7	32	22
Other \| Operating Segments \| All Other
Segment Reporting Information [Line Items]
Revenue	1		2
Other \| Operating Segments \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	$ (19)	$ (19)	$ (57)	$ (52)