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Derivative Financial Instruments - Outstanding Foreign Currency Forward Contracts (Detail) ₽ in Millions, € in Millions, ₩ in Millions, ¥ in Millions, £ in Millions, kr in Millions, kr in Millions, R$ in Millions, R in Millions, $ in Millions, $ in Millions, $ in Millions, $ in Millions | Mar. 31, 2021 USD ($) | Mar. 31, 2021 KRW (₩) | Mar. 31, 2021 NOK (kr) | Mar. 31, 2021 RUB (₽) | Mar. 31, 2021 MXN ($) | Mar. 31, 2021 JPY (¥) | Mar. 31, 2021 EUR (€) | Mar. 31, 2021 ZAR (R) | Mar. 31, 2021 SGD ($) | Mar. 31, 2021 GBP (£) | Mar. 31, 2021 DKK (kr) | Mar. 31, 2021 CAD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 KRW (₩) | Dec. 31, 2020 NOK (kr) | Dec. 31, 2020 RUB (₽) | Dec. 31, 2020 MXN ($) | Dec. 31, 2020 JPY (¥) | Dec. 31, 2020 EUR (€) | Dec. 31, 2020 ZAR (R) | Dec. 31, 2020 SGD ($) | Dec. 31, 2020 GBP (£) | Dec. 31, 2020 DKK (kr) | Dec. 31, 2020 CAD ($) | Dec. 31, 2020 BRL (R$)
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Forward Contracts [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency, Cash flow hedging | $ 308 | ₩ 17,600 | kr 3,131 | ₽ 1,159 | $ 421 | ¥ 390 | € 131 | R 124 | $ 31 | £ 17 | kr 5 | $ 2 | $ 367 | ₩ 17,600 | kr 3,817 | ₽ 1,118 | $ 402 | ¥ 340 | € 116 | R 124 | $ 31 | £ 18 | kr 875 | $ 1 | R$ 768

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Fair value as of the balance sheet date of all foreign currency derivatives designated as cash flow hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(b),(c)(1) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5624163-113959 + Details
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