Revenue and Expense Recognition (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2022	May 31, 2021	Nov. 30, 2021	Nov. 30, 2020
Revenue from Contract with Customer [Abstract]
Fees, taxes, and charges	$ 96	$ 5	$ 164	$ 12
Customer deposits	5,100		5,100		$ 3,500
Revenues recognized related to customer deposits at beginning of period			1,400	$ 1,400	0	$ 0
Contract assets	$ 208		$ 208		$ 55