Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Foreign Currency Exchange Rate Risks (Details) - USD ($)	3 Months Ended		6 Months Ended
	May 31, 2021	May 31, 2020	May 31, 2021	May 31, 2020
Fair Value, Measurement Inputs, Disclosure [Line Items]
Change in foreign currency translation adjustment	$ 104,000,000	$ 23,000,000	$ 303,000,000	$ 48,000,000
Foreign currency contract commitments	6,800,000,000		6,800,000,000
Sterling-denominated
Fair Value, Measurement Inputs, Disclosure [Line Items]
Debt instrument, face amount	497,000,000		497,000,000
Change in foreign currency translation adjustment	8,000,000		50,000,000
Euro-denominated
Fair Value, Measurement Inputs, Disclosure [Line Items]
Debt instrument, face amount	$ 9,000,000,000		$ 9,000,000,000