Earnings Per Share - Antidilutive Shares Excluded from Diluted Earnings Per Share Computations (Details) - shares shares in Millions	3 Months Ended		6 Months Ended
	May 31, 2021	May 31, 2020	May 31, 2021	May 31, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive equity awards excluded from diluted earnings per share computations (in shares)	57	120	57	61
Equity awards
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive equity awards excluded from diluted earnings per share computations (in shares)	3	0	3	1
Convertible Notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive equity awards excluded from diluted earnings per share computations (in shares)	54	120	54	60