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Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Foreign Currency Exchange Rate Risks (Details) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Aug. 31, 2020 USD ($) | Aug. 31, 2019 USD ($) | Aug. 31, 2020 USD ($) | Aug. 31, 2019 USD ($)
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |
Change in foreign currency translation adjustment | $ 519,000,000 | $ (101,000,000) | $ 567,000,000 | $ (215,000,000)
Foreign currency contract commitments | $ 8,400,000,000 |  | $ 8,400,000,000 |
Foreign currency zero cost collars | Mardi Gras | Cash flow hedging |  |  |  |
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |
Weighted-Average Floor Rate | 1.12 |  | 1.12 |
Weighted- Average Ceiling Rate | 1.28 |  | 1.28 |
Sterling-denominated |  |  |  |
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |
Debt instrument, face amount | $ 883,000,000 |  | $ 883,000,000 |
Change in foreign currency translation adjustment | 66,000,000 |  | 29,000,000 |
Euro-denominated |  |  |  |
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |
Debt instrument, face amount | $ 7,000,000,000.0 |  | $ 7,000,000,000.0 |

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