Income taxes - components of earnings before income tax provision (Details) - USD ($) $ in Millions	12 Months Ended
Aug. 31, 2024	Aug. 31, 2023	Aug. 31, 2022
Income Tax Disclosure [Abstract]
U.S.	$ (15,599)	$ (7,553)	$ 2,998
Non–U.S.	1,380	2,134	987
(Loss) earnings before income tax provision (benefit)	$ (14,219)	$ (5,419)	$ 3,985

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details