Acquisitions and other Investments - pro forma information (Details) - USD ($) $ in Millions	12 Months Ended
Aug. 31, 2023	Aug. 31, 2022
Business Acquisition [Line Items]
Pro forma sales	$ 134,314	$ 135,306
Sales, actual	1,795
Summit Heath-CityMD
Business Acquisition [Line Items]
Pro forma sales	140,039	$ 135,379
Sales, actual	$ 1,896

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479907/805-20-50-5

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479328/805-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
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-Section 50
-Paragraph 2
-Subparagraph (h)(3)
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- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

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