Revenue - Summary of Disaggregate Revenue by Destinations (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Disaggregate revenue	$ 2,216	$ 2,093	$ 4,371	$ 4,055
Operating Segments [Member] \| Energy Products and Services [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	1,050	1,029	2,067	1,970
Operating Segments [Member] \| Energy Equipment [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	1,204	1,117	2,382	2,169
Intersegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	(38)	(53)	(78)	(84)
Continental [Member] \| Eliminations [Member] \| Operating Segments [Member] \| Energy Products and Services [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	23	39	47	57
Continental [Member] \| Eliminations [Member] \| Operating Segments [Member] \| Energy Equipment [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	15	14	31	27
Continental [Member] \| Eliminations [Member] \| Intersegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	(38)	(53)	(78)	(84)
Continental [Member] \| North America [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	835	845	1,668	1,659
Continental [Member] \| North America [Member] \| Operating Segments [Member] \| Energy Products and Services [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	534	519	1,071	1,021
Continental [Member] \| North America [Member] \| Operating Segments [Member] \| Energy Equipment [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	301	326	597	638
Continental [Member] \| International [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	1,381	1,248	2,703	2,396
Continental [Member] \| International [Member] \| Operating Segments [Member] \| Energy Products and Services [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	493	471	949	892
Continental [Member] \| International [Member] \| Operating Segments [Member] \| Energy Equipment [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	888	777	1,754	1,504
Land and Offshore [Member] \| Eliminations [Member] \| Operating Segments [Member] \| Energy Products and Services [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	23	39	47	57
Land and Offshore [Member] \| Eliminations [Member] \| Operating Segments [Member] \| Energy Equipment [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	15	14	31	27
Land and Offshore [Member] \| Eliminations [Member] \| Intersegment Eliminations [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	(38)	(53)	(78)	(84)
Land and Offshore [Member] \| Land Destination [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	1,237	1,172	2,436	2,354
Land and Offshore [Member] \| Land Destination [Member] \| Operating Segments [Member] \| Energy Products and Services [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	777	729	1,549	1,426
Land and Offshore [Member] \| Land Destination [Member] \| Operating Segments [Member] \| Energy Equipment [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	460	443	887	928
Land and Offshore [Member] \| Offshore Destination [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	979	921	1,935	1,701
Land and Offshore [Member] \| Offshore Destination [Member] \| Operating Segments [Member] \| Energy Products and Services [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	250	261	471	487
Land and Offshore [Member] \| Offshore Destination [Member] \| Operating Segments [Member] \| Energy Equipment [Member]
Disaggregation of Revenue [Line Items]
Disaggregate revenue	$ 729	$ 660	$ 1,464	$ 1,214