Leases - Schedule of Lease Assets and Lease Liabilities included on Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Aug. 31, 2024	Aug. 31, 2023
Assets
Operating lease assets	$ 360	$ 367
Finance lease assets	378	310
Total lease assets	738	677
Current
Operating lease liabilities	$ 93	$ 104
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued expenses	Accrued expenses
Finance lease liabilities	$ 119	$ 74
Non-current
Operating lease liabilities	$ 284	$ 269
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Finance lease liabilities	$ 235	$ 212
Total lease liabilities	731	659
Finance lease assets, accumulated amortization	$ 162	$ 199