Leases - Other Supplemental Information (Details) - USD ($) $ in Millions	9 Months Ended
	May 31, 2025	May 31, 2024
Cash paid for amounts included in the measurement of lease obligations
Operating cash flows from operating leases	$ 2,703	$ 2,779
Operating cash flows from finance leases	38	37
Financing cash flows from finance leases	62	52
Total	2,802	2,867
Right-of-use assets obtained in exchange for new lease obligations
Operating leases	237	1,235
Finance leases	21	55
Total	$ 257	$ 1,290