Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

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Stockholders' Equity (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Aug. 02, 2014
Aug. 03, 2013
Aug. 02, 2014
Aug. 03, 2013
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
February 1, 2014, shares     304.6  
February 1, 2014     $ 3,087  
Net income/(loss) (172) (586) (524) (934)
Other comprehensive income/(loss) 10 24 20 54
Stock-based compensation     17  
August 2, 2014, shares 304.8 220.4 304.8 220.4
August 2, 2014 2,600   2,600  
Common Stock [Member]
       
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
February 1, 2014, shares     304.6  
February 1, 2014     152  
Stock-based compensation, shares     0.2  
Stock-based compensation     0  
August 2, 2014, shares 304.8   304.8  
August 2, 2014 152   152  
Additional Paid-in Capital [Member]
       
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
February 1, 2014     4,571  
Stock-based compensation     17  
August 2, 2014 4,588   4,588  
Reinvested Earnings/(Accumulated Deficit) [Member]
       
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
February 1, 2014     (1,008)  
Net income/(loss)     (524)  
August 2, 2014 (1,532)   (1,532)  
Accumulated Other Comprehensive Income/(Loss) [Member]
       
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
February 1, 2014     (628)  
Other comprehensive income/(loss)     20  
August 2, 2014 $ (608)   $ (608)