Earnings Per Share - Basic and Diluted Earnings Per Share Computation (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2016	Aug. 31, 2015
Earnings Per Share [Abstract]
Net income for basic and diluted earnings per share	$ 1,424	$ 1,216	$ 2,171	$ 1,487
Weighted-average common and ordinary shares outstanding (in shares)	737	778	751	778
Dilutive effect of equity plans (in shares)	2	3	3	3
Diluted weighted-average shares outstanding (in shares)	739	781	754	781
Basic earnings per share (in dollars per share)	$ 1.93	$ 1.56	$ 2.89	$ 1.91
Diluted earnings per share (in dollars per share)	$ 1.93	$ 1.56	$ 2.88	$ 1.91