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Revenue - Summary of Disaggregate Revenue by Destinations (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation of Revenue [Line Items]
Disaggregate revenue	$ 2,191	$ 2,185	$ 6,562	$ 6,240
Operating Segments [Member] | Energy Products and Services [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	1,003	1,034	3,070	3,004
Operating Segments [Member] | Energy Equipment [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	1,219	1,195	3,601	3,364
Intersegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	(31)	(44)	(109)	(128)
Continental [Member] | Eliminations [Member] | Operating Segments [Member] | Energy Products and Services [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	18	28	65	85
Continental [Member] | Eliminations [Member] | Operating Segments [Member] | Energy Equipment [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	13	16	44	43
Continental [Member] | Eliminations [Member] | Intersegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	(31)	(44)	(109)	(128)
Continental [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	821	797	2,489	2,456
Continental [Member] | North America [Member] | Operating Segments [Member] | Energy Products and Services [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	502	495	1,573	1,516
Continental [Member] | North America [Member] | Operating Segments [Member] | Energy Equipment [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	319	302	916	940
Continental [Member] | International [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	1,370	1,388	4,073	3,784
Continental [Member] | International [Member] | Operating Segments [Member] | Energy Products and Services [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	483	511	1,432	1,403
Continental [Member] | International [Member] | Operating Segments [Member] | Energy Equipment [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	887	877	2,641	2,381
Land and Offshore [Member] | Eliminations [Member] | Operating Segments [Member] | Energy Products and Services [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	18	28	65	85
Land and Offshore [Member] | Eliminations [Member] | Operating Segments [Member] | Energy Equipment [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	13	16	44	43
Land and Offshore [Member] | Eliminations [Member] | Intersegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	(31)	(44)	(109)	(128)
Land and Offshore [Member] | Land Destination [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	1,197	1,174	3,633	3,528
Land and Offshore [Member] | Land Destination [Member] | Operating Segments [Member] | Energy Products and Services [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	761	739	2,310	2,165
Land and Offshore [Member] | Land Destination [Member] | Operating Segments [Member] | Energy Equipment [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	436	435	1,323	1,363
Land and Offshore [Member] | Offshore Destination [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	994	1,011	2,929	2,712
Land and Offshore [Member] | Offshore Destination [Member] | Operating Segments [Member] | Energy Products and Services [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	224	267	695	754
Land and Offshore [Member] | Offshore Destination [Member] | Operating Segments [Member] | Energy Equipment [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	$ 770	$ 744	$ 2,234	$ 1,958

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