XML 54 R36.htm IDEA: XBRL DOCUMENT v3.8.0.1
Summary of Significant Accounting Policies (Narrative) (Details)
$ in Millions
12 Months Ended
Jan. 28, 2018
USD ($)
Jan. 29, 2017
USD ($)
Jan. 31, 2016
USD ($)
Accounting Policies [Line Items]      
Fiscal year, period 52 weeks 52 weeks 52 weeks
Investments classified as cash equivalents, original maturity 3 months    
Percentage of merchandise inventories that are calculated using a cost method 30.00%    
Quantitative goodwill impairment assessment time interval 3 years    
Goodwill Impairment $ 0 $ 0 $ 0
Expiration date of Private Label Credit Card program Dec. 31, 2028    
Number of Cost of Credit Components 3    
Recognized income tax positions are measured at the largest amount exceeding a probability of 50.00%    
Maximum [Member] | Other Intangible Assets [Member]      
Accounting Policies [Line Items]      
Intangible asset, useful life 12 years    
Software and Software Development Costs [Member] | Minimum [Member]      
Accounting Policies [Line Items]      
Software, useful life 3 years    
Software and Software Development Costs [Member] | Maximum [Member]      
Accounting Policies [Line Items]      
Software, useful life 6 years