Stock-Based Compensation-Summary of Stock Option Activity (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	9 Months Ended
	Aug. 31, 2013	Aug. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at end of period, Number of Shares	5.0	5.7
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of period, Number of Shares	5.1	6.6
Granted, Number of Shares	0.9	0.8
Exercised, Number of Shares	1.0	1.7
Excercisable at end of the period, Number of Shares	3.0	3.4
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning of period, Weighted-Average Exercise Price	$ 40.06	$ 34.98
Granted, Weighted-Average Exercise Price	$ 71.60	$ 54.24
Exercised, Weighted-Average Exercise Price	$ 32.59	$ 30.41
Outstanding at end of period, Weighted-Average Exercise Price	$ 47.28	$ 39.31
Exercisable at end of the period, Weighted-Average Exercise Price	$ 39.68	$ 34.78