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Segment Information - Summary of North America and International Revenue Disaggregated by Segment (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Segment Reporting Information [Line Items]
Revenue	$ 8,721	$ 8,490
Digital Integration
Segment Reporting Information [Line Items]
Revenue	640	587
Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	1,594	1,700
Well Construction
Segment Reporting Information [Line Items]
Revenue	2,797	2,977
Production Systems
Segment Reporting Information [Line Items]
Revenue	3,508	2,841
All Other
Segment Reporting Information [Line Items]
Revenue	443	562
Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(261)	(177)
Operating Segments
Segment Reporting Information [Line Items]
Revenue	8,721	8,490
Operating Segments | Digital Integration
Segment Reporting Information [Line Items]
Revenue	640	587
Operating Segments | Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	1,594	1,700
Operating Segments | Well Construction
Segment Reporting Information [Line Items]
Revenue	2,797	2,977
Operating Segments | Production Systems
Segment Reporting Information [Line Items]
Revenue	3,508	2,841
Operating Segments | All Other
Segment Reporting Information [Line Items]
Revenue	443	562
Operating Segments | Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(261)	(177)
North America | Operating Segments
Segment Reporting Information [Line Items]
Revenue	2,167	1,719
North America | Operating Segments | Digital Integration
Segment Reporting Information [Line Items]
Revenue	197	171
North America | Operating Segments | Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	143	142
North America | Operating Segments | Well Construction
Segment Reporting Information [Line Items]
Revenue	548	541
North America | Operating Segments | Production Systems
Segment Reporting Information [Line Items]
Revenue	1,206	671
North America | Operating Segments | All Other
Segment Reporting Information [Line Items]
Revenue	143	216
North America | Operating Segments | Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(70)	(22)
International | Operating Segments
Segment Reporting Information [Line Items]
Revenue	6,471	6,727
International | Operating Segments | Digital Integration
Segment Reporting Information [Line Items]
Revenue	443	416
International | Operating Segments | Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	1,445	1,557
International | Operating Segments | Well Construction
Segment Reporting Information [Line Items]
Revenue	2,195	2,381
International | Operating Segments | Production Systems
Segment Reporting Information [Line Items]
Revenue	2,272	2,166
International | Operating Segments | All Other
Segment Reporting Information [Line Items]
Revenue	300	347
International | Operating Segments | Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(184)	(140)
Other | Operating Segments
Segment Reporting Information [Line Items]
Revenue	83	44
Other | Operating Segments | Digital Integration
Segment Reporting Information [Line Items]
Revenue	0	0
Other | Operating Segments | Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	6	1
Other | Operating Segments | Well Construction
Segment Reporting Information [Line Items]
Revenue	54	55
Other | Operating Segments | Production Systems
Segment Reporting Information [Line Items]
Revenue	30	4
Other | Operating Segments | All Other
Segment Reporting Information [Line Items]
Revenue	0	(1)
Other | Operating Segments | Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	$ (7)	$ (15)

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