Income Taxes - Income (Loss) Before Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2021
Income Tax Disclosure [Abstract]
Domestic	$ (315)	$ (116)	$ (271)
Foreign	1,577	1,347	1,215
Income before income tax	$ 1,262	$ 1,231	$ 944