Stock-Based Compensation-Summary of Stock Option Activity (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	9 Months Ended
	Aug. 31, 2014	Aug. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at end of period, Number of Shares	5.1	5.0
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price	$ 71.12	$ 71.60
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures	1.1	0.9
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of period, Number of Shares	4.6	5.1
Exercised, Number of Shares	0.6	1.0
Excercisable at end of the period, Number of Shares	3.0	3.0
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	$ 47.73	$ 40.06
Exercised, Weighted-Average Exercise Price	$ 35.93	$ 32.59
Outstanding at end of period, Weighted-Average Exercise Price	$ 54.02	$ 47.28
Exercisable at end of the period, Weighted-Average Exercise Price	$ 45.55	$ 39.68