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SIGNIFICANT ACCOUNTING POLICIES (Details)
$ in Millions
Apr. 30, 2022
USD ($)
Jan. 29, 2022
store
Jul. 31, 2021
USD ($)
store
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Net book overdrafts | $ $ 271   $ 268
FIFO inventory amount | $ $ 169   $ 67
Discontinued Operations, Disposed of by Sale      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Number of stores   2  
Continuing operations      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Number of stores     2
Discontinued operations      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Number of stores     4