Subsequent event	9 Months Ended
May 31, 2020
Subsequent Events [Abstract]
Subsequent event	Subsequent eventOn July 8, 2020, the Company announced that it will invest $1 billion in equity and convertible debt in VillageMD over the next three years including $250 million equity investment completed on July 8, 2020, subject to the terms of the agreement. The Company will continue to account for its equity investment in VillageMD using the equity method of accounting.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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