Leases - Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Feb. 29, 2024	Aug. 31, 2023
Operating Leases:
Operating lease right-of-use assets	$ 21,342	$ 21,667
Operating lease obligations - current	2,339	2,347
Operating lease obligations - non-current	21,812	22,124
Total operating lease obligations	24,151	24,472
Finance leases:
Property, plant and equipment, net	704	678
Lease obligations included in:
Accrued expenses and other liabilities	70	57
Other non-current liabilities	934	919
Total finance lease obligations	$ 1,004	$ 976
Finance lease, right-of-use asset, statement of financial position, extensible enumeration	Property, plant and equipment, net	Property, plant and equipment, net
Finance lease, liability, current, statement of financial position, extensible enumeration	Accrued expenses and other liabilities	Accrued expenses and other liabilities
Finance lease, liability, noncurrent, statement of financial position, extensible enumeration	Other non-current liabilities	Other non-current liabilities