Leases - Supplemental Balance Sheet Information (Details) $ in Millions	Nov. 30, 2019 USD ($)
Operating Leases:
Operating lease right-of-use assets	$ 21,674
Operating lease obligation	2,288
Operating lease obligation	21,894
Total operating lease obligations	24,182
Finance Leases:
Property, plant and equipment, net	755
Lease obligations included in:
Accrued expenses and other liabilities	43
Other non-current liabilities	977
Total finance lease obligations	$ 1,020