General - Other (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2017	Aug. 31, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Fees, taxes and charges collected by us from our guests	$ 161	$ 148	$ 440	$ 407