Leases - Future Lease Payments for Operating and Finance Leases (Details) - USD ($) $ in Millions	Nov. 30, 2022	Aug. 31, 2022
Finance lease
2023 (Remaining period)	$ 67
2024	87
2025	86
2026	86
2027	86
2028	86
Later	956
Total undiscounted minimum lease payments	1,453
Less: Present value discount	520
Lease liability	933	$ 936
Operating lease
2023 (Remaining period)	2,606
2024	3,389
2025	3,285
2026	3,193
2027	3,104
2028	2,944
Later	11,824
Total undiscounted minimum lease payments	30,345
Less: Present value discount	6,560
Lease liability	$ 23,785	$ 23,803