General (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2018	Aug. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Fees, taxes and charges collected from guests	$ 174	$ 161	$ 465	$ 440