Income Taxes - Schedule of Income (Loss) Before Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Aug. 31, 2026	Aug. 31, 2025	Aug. 31, 2024
Income Tax Disclosure [Abstract]
Domestic	$ (18)	$ (255)	$ (366)
Foreign	1,426	1,147	2,117
Income before income tax	$ 1,408	$ 892	$ 1,751