General (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	May 31, 2018	May 31, 2017	May 31, 2018	May 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Fees, taxes and charges collected by us from our guests	$ 143	$ 136	$ 291	$ 279