Leases - Schedule of Lease Assets and Lease Liabilities included on Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Aug. 31, 2026	Aug. 31, 2025
Assets
Operating lease assets	$ 614	$ 462
Finance lease assets	325	391
Total lease assets	939	853
Current
Operating lease liabilities	$ 111	$ 93
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued expenses	Accrued expenses
Finance lease liabilities	$ 88	$ 199
Non-current
Operating lease liabilities	$ 530	$ 388
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Finance lease liabilities	$ 231	$ 166
Total lease liabilities	960	846
Finance lease assets, accumulated amortization	$ 140	$ 136