Earnings Per Share - Antidilutive Shares Excluded from Diluted Earnings Per Share Computations (Details) - shares shares in Millions	3 Months Ended	9 Months Ended
	Aug. 31, 2020	Aug. 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)	186	103
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 Notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive equity awards excluded from diluted earnings per share computations (in shares)	186	102