Earnings Per Share - Antidilutive Shares Excluded from Diluted Earnings Per Share Computations (Details) - shares shares in Millions	3 Months Ended	12 Months Ended
	Feb. 28, 2021	Nov. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive equity awards excluded from diluted earnings per share computations (in shares)	56	1
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	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	0