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Revenue - Summary of Disaggregate Revenue by Destinations and Revenue Streams (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | $ 2,176 | $ 2,191 | $ 6,467 | $ 6,562
Operating Segments [Member] | Energy Products and Services [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 971 | 1,003 | 2,988 | 3,070
Operating Segments [Member] | Energy Equipment [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 1,247 | 1,219 | 3,600 | 3,601
Intersegment Eliminations [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | (42) | (31) | (121) | (109)
Continental [Member] | Intersegment Revenue [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 0 | 0 | 0 | 0
Continental [Member] | Intersegment Revenue [Member] | Operating Segments [Member] | Energy Products and Services [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 25 | 18 | 73 | 65
Continental [Member] | Intersegment Revenue [Member] | Operating Segments [Member] | Energy Equipment [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 17 | 13 | 48 | 44
Continental [Member] | Intersegment Revenue [Member] | Intersegment Eliminations [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | (42) | (31) | (121) | (109)
Continental [Member] | North America [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 812 | 821 | 2,465 | 2,489
Continental [Member] | North America [Member] | Operating Segments [Member] | Energy Products and Services [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 537 | 502 | 1,658 | 1,573
Continental [Member] | North America [Member] | Operating Segments [Member] | Energy Equipment [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 275 | 319 | 807 | 916
Continental [Member] | International [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 1,364 | 1,370 | 4,002 | 4,073
Continental [Member] | International [Member] | Operating Segments [Member] | Energy Products and Services [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 409 | 483 | 1,257 | 1,432
Continental [Member] | International [Member] | Operating Segments [Member] | Energy Equipment [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 955 | 887 | 2,745 | 2,641
Land and Offshore [Member] | Intersegment Revenue [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 0 | 0 | 0 | 0
Land and Offshore [Member] | Intersegment Revenue [Member] | Operating Segments [Member] | Energy Products and Services [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 25 | 18 | 73 | 65
Land and Offshore [Member] | Intersegment Revenue [Member] | Operating Segments [Member] | Energy Equipment [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 17 | 13 | 48 | 44
Land and Offshore [Member] | Intersegment Revenue [Member] | Intersegment Eliminations [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | (42) | (31) | (121) | (109)
Land and Offshore [Member] | Land Destination [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 1,079 | 1,197 | 3,390 | 3,633
Land and Offshore [Member] | Land Destination [Member] | Operating Segments [Member] | Energy Products and Services [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 700 | 761 | 2,192 | 2,310
Land and Offshore [Member] | Land Destination [Member] | Operating Segments [Member] | Energy Equipment [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 379 | 436 | 1,198 | 1,323
Land and Offshore [Member] | Offshore Destination [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 1,097 | 994 | 3,077 | 2,929
Land and Offshore [Member] | Offshore Destination [Member] | Operating Segments [Member] | Energy Products and Services [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | 246 | 224 | 723 | 695
Land and Offshore [Member] | Offshore Destination [Member] | Operating Segments [Member] | Energy Equipment [Member] |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Disaggregate revenue | $ 851 | $ 770 | $ 2,354 | $ 2,234

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