Acquisitions (Details) $ in Millions	3 Months Ended
Nov. 30, 2019 USD ($) distribution_center	Sep. 30, 2017 distribution_center
Business Acquisition [Line Items]
Payments to acquire business	$ 80
Rite Aid Corporation
Business Acquisition [Line Items]
Payments to acquire business	$ 24
Number of distribution centers expected to be acquired \| distribution_center	2	3
Rite Aid Corporation - First Distribution Center
Business Acquisition [Line Items]
Payments to acquire business	$ 61

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration