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Goodwill and Intangible Assets - Narrative (Details) - USD ($)
 12 Months Ended
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
Goodwill and Intangible Assets Disclosure [Abstract]      
Goodwill $ 133,000,000 $ 147,000,000  
Pretax impairment loss 35,000,000    
Goodwill [Line Items]      
Goodwill impairment charges 0 0 $ 0
Gross intangible assets 299,000,000 405,000,000  
Accumulated depreciation 154,000,000 250,000,000  
Amortization expense 23,000,000 22,000,000 $ 20,000,000
Leasehold Acquisition Costs      
Goodwill [Line Items]      
Gross intangible assets 211,000,000 224,000,000  
Accumulated depreciation $ 127,000,000 133,000,000  
Leasehold Acquisition Costs | Minimum      
Goodwill [Line Items]      
Estimated useful life 9 years    
Leasehold Acquisition Costs | Maximum      
Goodwill [Line Items]      
Estimated useful life 39 years    
Leasehold Acquisition Costs | Weighted Average      
Goodwill [Line Items]      
Estimated useful life 27 years    
Other      
Goodwill [Line Items]      
Gross intangible assets $ 88,000,000 181,000,000  
Accumulated depreciation $ 27,000,000 $ 117,000,000  
Other | Minimum      
Goodwill [Line Items]      
Estimated useful life 3 years    
Other | Maximum      
Goodwill [Line Items]      
Estimated useful life 15 years    
Other | Weighted Average      
Goodwill [Line Items]      
Estimated useful life 8 years    
Pharmacy and Clinic Business      
Goodwill [Line Items]      
Gross intangible assets $ 91,000,000    
Accumulated depreciation 88,000,000    
SG&A      
Goodwill [Line Items]      
Amount of intangible assets 23,000,000    
Goodwill impairment charges $ 12,000,000