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BORROWINGS (Wholly owned Insurance Subsidiary and Intercompany Securities) (Details)
$ in Millions
Jul. 29, 2017
USD ($)
Mar. 31, 2017
USD ($)
Jan. 28, 2017
USD ($)
Jul. 30, 2016
USD ($)
May 31, 2006
USD ($)
Nov. 30, 2003
USD ($)
Store
Debt Instrument [Line Items]            
Mortgage-backed securities owned           $ 1,300
Asset-backed securities issued         $ 1,800  
Mortgage-backed and asset-backed securities   $ 900        
Subsidiaries            
Debt Instrument [Line Items]            
Number of stores | Store           133
Securitized trademark rights            
Debt Instrument [Line Items]            
Carrying amount of assets securitized $ 700   $ 1,000 $ 1,000    
Securitized real estate assets            
Debt Instrument [Line Items]            
Carrying amount of assets securitized $ 600   $ 600 $ 600