Income Taxes - Schedule of Income (Loss) Before Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Aug. 31, 2025	Aug. 31, 2024	Aug. 31, 2023
Income Tax Disclosure [Abstract]
Domestic	$ (255)	$ (366)	$ (315)
Foreign	1,147	2,117	1,577
Income before income tax	$ 892	$ 1,751	$ 1,262