Accumulated Other Comprehensive Income - Schedule of Reclassification from AOCI (Details) - USD ($) $ in Millions	12 Months Ended
Aug. 31, 2025	Aug. 31, 2024	Aug. 31, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized gains on foreign currency translation	$ 53	$ (942)	$ 0
Realized (gains) losses on pension and postretirement plans:	97	89	69
Reclassification out of AOCI \| Foreign Currency Translation Adjustment
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized gains on foreign currency translation	0	(2)	0
Reclassification out of AOCI \| Actuarial gains
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized (gains) losses on pension and postretirement plans:	(7)	(8)	(14)
Reclassification out of AOCI \| Prior service costs
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Realized (gains) losses on pension and postretirement plans:	$ 5	$ 4	$ 4

Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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Amount of income (expense) related to nonoperating activities, classified as other.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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