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Stock-Based Compensation (Narrative) (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
12 Months Ended
Feb. 01, 2014
Feb. 02, 2013
Jan. 29, 2011
Installment
Jan. 13, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Authorized 18.5      
Available for grant 12.1      
Number of vesting installments     5  
Intrinsic value of options exercised $ 30 $ 20 $ 16  
Closing stock price $ 50.63      
Aggregate fair value of awards at the time of vesting 34 24 16  
Performance share fair value       $ 57.3700
Performance share units       0.23
Total share-based compensation expense 55 50 57  
Total unrecognized share-based compensation expense for al share-based payment plans $ 178      
Weighted average period, years 3 years      
Non Vested Stock Awards
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
General term of a elected dirctor, years 5 years      
Vesting term, years 1 year      
After 2005 | Employee Stock Option
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Term of options granted, years 7 years      
Prior 2006 | Employee Stock Option
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Term of options granted, years 15 years      
Director | Employee Stock Option
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Term of options granted, years 10 years