Leases - Narrative (Details) $ in Millions	6 Months Ended
	May 31, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease minimum commitment	$ 430
Right-of-use assets obtained in exchange for operating lease liabilities	124
Net investment in leases	$ 48
Minimum
Lessee, Lease, Description [Line Items]
Lease term (in years)	1 year
Lease renewal term (in years)	1 year
Maximum
Lessee, Lease, Description [Line Items]
Lease renewal term (in years)	10 years