Stockholders' Equity (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Aug. 03, 2013
Jul. 28, 2012
Aug. 03, 2013
Jul. 28, 2012
February 2, 2013     $ 3,171  
Net income/(loss) (586) (147) (934) (310)
Amounts reclassified from accumulated other comprehensive income 24 (133) 54 (68)
Stock-based compensation     29  
August 3, 2013 2,320   2,320  
Common Stock [Member]
       
February 2, 2013, shares     219.3  
February 2, 2013     110  
Stock-based compensation, shares     1.1  
August 3, 2013, shares 220.4   220.4  
August 3, 2013 110   110  
Additional Paid-in Capital [Member]
       
February 2, 2013     3,799  
Stock-based compensation     29  
August 3, 2013 3,828   3,828  
Reinvested Earnings/(Accumulated Deficit) [Member]
       
February 2, 2013     380  
Net income/(loss)     (934)  
August 3, 2013 (554)   (554)  
Accumulated Other Comprehensive Income/(Loss) [Member]
       
February 2, 2013     (1,118)  
Amounts reclassified from accumulated other comprehensive income     54  
August 3, 2013 $ (1,064)   $ (1,064)