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Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Foreign Currency Exchange Rate Risks (Details) - USD ($) $ in Millions | 3 Months Ended
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Feb. 28, 2022 | Feb. 28, 2021
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |
Foreign currency translation adjustment losses | $ (13) | $ (199)
Foreign currency contract commitments | 6,100 |
Sterling-denominated |  |
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |
Debt | 469 |
Foreign currency translation adjustment losses | $ 2 |

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