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, 2020	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)	120	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)	0	1
Convertible senior notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive equity awards excluded from diluted earnings per share computations (in shares)	120	60