Equity method investments - Summarized Financial Information of Equity Method Investments (Details) - USD ($) $ in Millions	3 Months Ended
Nov. 30, 2023	Nov. 30, 2022
Income Statement [Abstract]
Sales	$ 36,707	$ 33,382
Gross profit	6,771	6,953
Net loss	(278)	(3,816)
Share of earnings from equity method investments	42	53
Equity Method Investment
Income Statement [Abstract]
Sales	68,922	61,174
Gross profit	2,211	1,998
Net loss	$ 351	$ 295

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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+ Details

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details