Earnings Per Share - Basic and Diluted Earnings Per Share Computation (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Feb. 29, 2016	Feb. 28, 2015
Earnings Per Share [Abstract]
Net income for basic and diluted earnings per share	$ 142	$ 49
Weighted-average common and ordinary shares outstanding (in shares)	766	777
Dilutive effect of equity plans (in shares)	3	2
Diluted weighted-average shares outstanding (in shares)	769	779
Basic and diluted earnings per share (in usd per share)	$ 0.18	$ 0.06