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BASIS OF PRESENTATION (Liquidity) (Details)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Oct. 31, 2018
USD ($)
Aug. 04, 2018
USD ($)
Aug. 04, 2018
USD ($)
store
Jul. 29, 2017
USD ($)
Feb. 03, 2018
USD ($)
Debt Instrument [Line Items]          
Repayments of debt in next twelve months   $ 668 $ 668    
Proceeds from sales of property and investments     322 $ 569 $ 1,100
Proceeds from Citibank amendment   $ 425 $ 425 $ 0  
Number of stores closed | store     137    
Number of stores announced for closure | store     149    
Scenario, Forecast          
Debt Instrument [Line Items]          
Repayments of long-term debt $ 134