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Intangibles, Net - Summary of Impairment of Long-lived Assets (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Impairment of Long-Lived Assets (Other than Goodwill) [Line Items] |  |  |
Intangibles, net | $ (84) |  | $ 0
Property, plant and equipment, net | (4) |  |
Operating right-of-use assets | (2) |  |
Total impairment | (90) |  |
United States [Member] |  |  |
Impairment of Long-Lived Assets (Other than Goodwill) [Line Items] |  |  |
Intangibles, net | (62) | $ (34) |
Operating right-of-use assets | (1) |  |
Total impairment | (63) |  |
International [Member] |  |  |
Impairment of Long-Lived Assets (Other than Goodwill) [Line Items] |  |  |
Intangibles, net | (22) | $ (4) |
Property, plant and equipment, net | (4) |  |
Operating right-of-use assets | (1) |  |
Total impairment | $ (27) |  |

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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
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- Definition Amount of loss from impairment of right-of-use asset from operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 25 -Paragraph 6 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121593497&loc=SL77918431-209957 + Details
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