Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Foreign Currency Exchange Rate Risks (Details) - USD ($) $ in Millions	3 Months Ended
	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