Leases - Other Supplemental Information (Details) - USD ($) $ in Millions	9 Months Ended
	May 31, 2024	May 31, 2023
Cash paid for amounts included in the measurement of lease obligations
Operating cash flows from operating leases	$ 2,779	$ 2,668
Operating cash flows from finance leases	37	35
Financing cash flows from finance leases	52	38
Total	2,867	2,741
Right-of-use assets obtained in exchange for new lease obligations
Operating leases	1,235	1,773
Finance leases	55	23
Total	$ 1,290	$ 1,796