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DISCONTINUED OPERATIONS - Narrative (Details)
$ in Millions
 3 Months Ended 12 Months Ended
Jul. 31, 2021
store
Jul. 31, 2021
USD ($)
store
Aug. 01, 2020
USD ($)
store
Aug. 03, 2019
USD ($)
store
Aug. 01, 2021
store
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Number of stores reclassified to continuing operations | store 2        
Revenue from contract with customer, excluding assessed tax | $   $ 26,950 $ 26,559 $ 22,341  
Wholesale | Operating Segments          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Revenue from contract with customer, excluding assessed tax | $   25,873 25,525 21,551  
Discontinued Operations | Wholesale | Operating Segments          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Revenue from contract with customer, excluding assessed tax | $   0 0 12  
Revenues | $   22 97 201  
Continuing Operations | Wholesale | Operating Segments          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Revenue from contract with customer, excluding assessed tax | $   1,381 $ 1,348 $ 958  
Discontinued Operations, Disposed of by Sale | Shop 'n Save          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Number of stores closed | store     13    
Aggregate costs and charges incurred during phase-out | $     $ 31    
Operating losses, severance costs and transaction costs during phase-out | $     25    
Property and equipment impairment charges | $     $ 6    
Number of stores sold | store       5  
Discontinued Operations, Disposed of by Sale | Hornbacher's          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Number of stores held for sale | store       8  
Number of stores sold | store       7  
Discontinued Operations, Disposed of by Means Other than Sale | Shop 'n Save          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Number of stores held for sale | store       8  
Number of stores closed | store     6 3  
Retail          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Revenue from contract with customer, excluding assessed tax | $   2,442 $ 2,375 $ 1,687  
Retail | Wholesale | Operating Segments          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Revenue from contract with customer, excluding assessed tax | $   $ 0 $ 0 $ 0  
Retail | Discontinued Operations          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Number of stores reclassified to continuing operations | store 2        
Number of stores held for sale | store 4 4      
Retail | Discontinued Operations | Subsequent Event          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Number of stores held for sale | store         2