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Share-Based Compensation Share-Based Compensation - Additional Information (Details) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
No material capitalized share-based compensation expense $ 0 $ 0 $ 0
Liability related to Stock Units based on performance metrics, recorded in accrued expenses and other current liabilities 3 1  
Annual vesting percentage for stock options 25.00%    
Aggregate intrinsic value of options outstanding 160    
Aggregate intrinsic value of options vested or expected to vest 144    
Aggregate intrinsic value of options exercisable 95    
Weighted-average reemaining contractual life of stock options exercisable 4 years 55 days    
Stock issued during period, Shares, Employee Stock Purchase Plans 960,930 1,357,769 1,301,167
2011 Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized for issuance 216,586,781    
Maximum [Member] | 2011 Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares available for grant 28,019,786    
Stock Units [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Aggregate intrinsic value of unvested Stock Units $ 309    
Nonvested awards, total compensation cost not yet recognized $ 92    
Nonvested awards, total compensation cost not yet recognized, period for recognition 2 years 15 days    
Stock Units Granted, Shares 3,798,940    
Stock Units [Member] | Maximum [Member] | 2011 Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 4 years    
Stock Units [Member] | Minimum [Member] | 2011 Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years    
Stock Options [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 4 years    
Performance Shares [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Units Granted, Shares 235,451    
Performance Shares [Member] | Maximum [Member] | 2011 Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 4 years    
Performance Shares [Member] | Minimum [Member] | 2011 Plan [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years    
Employee stock purchase plan
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation arrangement by share-based payment award, discount from market price, purchase date 15.00%    
Common stock, capital shares reserved for future issuance 5,064,960    
Employee stock purchase plan | Maximum [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percentage deduction from payroll for Employee Stock Purchase 15.00%    
Employee stock purchase plan | Minimum [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Percentage deduction from payroll for Employee Stock Purchase 1.00%