Leases - Future Lease Payments for Operating and Finance Leases (Details) - USD ($) $ in Millions	Nov. 30, 2023	Aug. 31, 2023
Finance lease
2024 (Remaining period)	$ 84
2025	106
2026	102
2027	100
2028	91
2029	85
Later	880
Total undiscounted minimum lease payments	1,447
Less: Present value discount	480
Lease liability	966	$ 976
Operating lease
2024 (Remaining period)	2,763
2025	3,629
2026	3,552
2027	3,466
2028	3,311
2029	3,063
Later	12,004
Total undiscounted minimum lease payments	31,787
Less: Present value discount	7,305
Lease liability	$ 24,482	$ 24,472