Earnings Per Share - Basic and Diluted Earnings Per Share Computation (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	May 31, 2017	May 31, 2016	May 31, 2017	May 31, 2016
Earnings Per Share [Abstract]
Net income for basic and diluted earnings per share	$ 379	$ 605	$ 730	$ 747
Weighted-average common and ordinary shares outstanding (in shares)	724	751	724	758
Dilutive effect of equity plans (in shares)	3	2	3	3
Diluted weighted-average shares outstanding (in shares)	727	753	727	761
Basic earnings per share (in dollars per share)	$ 0.52	$ 0.81	$ 1.01	$ 0.99
Diluted earnings per share (in dollars per share)	$ 0.52	$ 0.80	$ 1.00	$ 0.98