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REVENUE RECOGNITION - Disaggregation of Revenues (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 27, 2018	Oct. 28, 2017
Revenue from External Customer [Line Items]
Revenue	$ 2,868	$ 2,458
Eliminations
Revenue from External Customer [Line Items]
Revenue	(38)	(45)
Wholesale | Operating Segments
Revenue from External Customer [Line Items]
Revenue	2,857	2,446
Other | Operating Segments
Revenue from External Customer [Line Items]
Revenue	49	57
Supernatural
Revenue from External Customer [Line Items]
Revenue	1,027	853
Supernatural | Eliminations
Revenue from External Customer [Line Items]
Revenue	0	0
Supernatural | Wholesale | Operating Segments
Revenue from External Customer [Line Items]
Revenue	1,027	853
Supernatural | Other | Operating Segments
Revenue from External Customer [Line Items]
Revenue	0	0
Independents
Revenue from External Customer [Line Items]
Revenue	667	639
Independents | Eliminations
Revenue from External Customer [Line Items]
Revenue	0	0
Independents | Wholesale | Operating Segments
Revenue from External Customer [Line Items]
Revenue	667	639
Independents | Other | Operating Segments
Revenue from External Customer [Line Items]
Revenue	0	0
Supermarkets
Revenue from External Customer [Line Items]
Revenue	707	704
Supermarkets | Eliminations
Revenue from External Customer [Line Items]
Revenue	0	0
Supermarkets | Wholesale | Operating Segments
Revenue from External Customer [Line Items]
Revenue	707	704
Supermarkets | Other | Operating Segments
Revenue from External Customer [Line Items]
Revenue	0	0
Supervalu
Revenue from External Customer [Line Items]
Revenue	224
Supervalu | Eliminations
Revenue from External Customer [Line Items]
Revenue	0
Supervalu | Wholesale | Operating Segments
Revenue from External Customer [Line Items]
Revenue	223
Supervalu | Other | Operating Segments
Revenue from External Customer [Line Items]
Revenue	1
Other
Revenue from External Customer [Line Items]
Revenue	243	262
Other | Eliminations
Revenue from External Customer [Line Items]
Revenue	(38)	(45)
Other | Wholesale | Operating Segments
Revenue from External Customer [Line Items]
Revenue	233	250
Other | Other | Operating Segments
Revenue from External Customer [Line Items]
Revenue	$ 48	$ 57

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No definition available.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 32
-Paragraph 2A
-URI http://asc.fasb.org/extlink&oid=82859839&loc=SL82860478-203043

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130543-203045

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130539-203045

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130545-203045

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