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Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Foreign Currency Exchange Rate Risks (Details) - USD ($) | 3 Months Ended
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Feb. 28, 2021 | Feb. 29, 2020
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |
Change in foreign currency translation adjustment | $ 199,000,000 | $ 25,000,000
Foreign currency contract commitments | 7,000,000,000.0 |
Sterling-denominated |  |
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |
Debt instrument, face amount | 718,000,000 |
Change in foreign currency translation adjustment | 42,000,000 |
Euro-denominated |  |
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |
Debt instrument, face amount | $ 9,600,000,000 |

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- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669646-108580 + Details
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