Fair Value Measurements - Schedule of Fair Value of Financial Assets and Liabilities Measured at Fair Value (Details) - Recurring - USD ($) $ in Millions	Aug. 31, 2025	Aug. 31, 2024
Level 1
Assets:
Cash equivalents	$ 392	$ 303
Short-term investments	27	27
Level 2 | Forward foreign exchange contracts | Designated as Hedging Instruments
Assets:
Derivative assets	$ 19	$ 11
Liabilities:
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Accrued expenses	Accrued expenses
Derivative liability, current	$ 0	$ 28
Level 2 | Forward foreign exchange contracts | Not Designated as Hedging Instruments
Assets:
Derivative assets	$ 26	$ 25
Liabilities:
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Accrued expenses	Accrued expenses
Derivative liability, current	$ 9	$ 22
Level 2 | Net investment hedges: | Designated as Hedging Instruments
Assets:
Derivative assets	$ 1	$ 0
Liabilities:
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Accrued expenses	Accrued expenses
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Derivative liability, current	$ 13	$ 6
Derivative liability, noncurrent	0	5
Level 2 | Forward interest rate swap: | Designated as Hedging Instruments
Liabilities:
Derivative liability, current	$ 1	$ 0