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Goodwill and Intangible Assets - Goodwill Identified, by Segment (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Goodwill [Line Items] |  |  |
Beginning Balance | $ 1,493 | $ 2,807 |
Goodwill acquired during period | 34 | 4 |
Impairment | 0 | (1,295) | $ (3,509)
Currency translation adjustments and other |  | (23) |
Ending Balance | 1,527 | 1,493 | 2,807
Wellbore Technologies [Member] |  |  |
Goodwill [Line Items] |  |  |
Beginning Balance | 308 | 843 |
Goodwill acquired during period | 34 | 4 |
Impairment |  | (517) |
Currency translation adjustments and other |  | (22) |
Ending Balance | 342 | 308 | 843
Completion & Production Solutions [Member] |  |  |
Goodwill [Line Items] |  |  |
Beginning Balance | 473 | 1,054 |
Impairment |  | (580) |
Currency translation adjustments and other |  | (1) |
Ending Balance | 473 | 473 | 1,054
Rig Technologies [Member] |  |  |
Goodwill [Line Items] |  |  |
Beginning Balance | 712 | 910 |
Impairment |  | (198) |
Ending Balance | $ 712 | $ 712 | $ 910

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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