Revenue and Expense Recognition (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	May 31, 2020	May 31, 2021	May 31, 2020	Nov. 30, 2020
Revenue from Contract with Customer [Abstract]
Fees, taxes, and charges	$ 41		$ 215
Customer deposits		$ 2,500
Customer deposits, future cruise credits				$ 2,200
Customer deposits, current portion		1,992		$ 1,940
Revenues recognized related to customer deposits at beginning of period		$ 0	$ 3,500