Related parties (Details) - Affiliated Entity - AmerisourceBergen - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2023	Feb. 28, 2022	Aug. 31, 2022
Related Party Transaction [Line Items]
Purchases, net	$ 15,759	$ 15,063	$ 31,199	$ 30,854
Trade accounts payable, net of Trade accounts receivable	$ 7,839		$ 7,839		$ 6,915

Amount for accounts payable to related parties.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant