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Intangible Assets (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items] |  |
Intangible Assets, cost | $ 1,093 | $ 993
Intangible assets, net | $ 481 | 484
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated weighted average useful life in years | 8 years |
Intangible Assets, cost | $ 348 | 333
Intangible Assets, accumulated depreciation | $ (150) | (120)
Computer software [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated weighted average useful life in years | 1 year |
Intangible Assets, cost | $ 463 | 396
Intangible Assets, accumulated depreciation | $ (361) | (310)
Patent And License [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Estimated weighted average useful life in years | 10 years |
Intangible Assets, cost | $ 282 | 264
Intangible Assets, accumulated depreciation | $ (101) | $ (79)

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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