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Financial Instruments - Derivative Instruments Notional Amount Outstanding (Detail) - USD ($) $ in Millions | Sep. 30, 2021 | Dec. 31, 2020
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Forward Contracts |  |
Schedule Of Information By Major Category Of Credit Derivatives Contracts [Line Items] |  |
Derivative instruments outstanding | $ 53 | $ 221
Currency Swap |  |
Schedule Of Information By Major Category Of Credit Derivatives Contracts [Line Items] |  |
Derivative instruments outstanding | 300 | 300
Commodity Contract |  |
Schedule Of Information By Major Category Of Credit Derivatives Contracts [Line Items] |  |
Derivative instruments outstanding | $ 23 | $ 0

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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5579245-113959 + Details
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