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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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