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Common Stock - Additional Information (Details) (USD $)
In Millions, except Share data, unless otherwise specified
 1 Months Ended 12 Months Ended 25 Months Ended
Feb. 02, 2013
Nov. 28, 2009
Feb. 02, 2013
Jan. 29, 2011
Feb. 25, 2012
Jan. 28, 2012
Class of Stock [Line Items]            
Common Stock, Shares Authorized 2,300,000,000   2,300,000,000     2,300,000,000
Common stock, shares issued (in shares) 1,106,000,000   1,106,000,000     1,106,000,000
Preferred stock, shares authorized (in shares) 30,000,000   30,000,000      
Preferred stock, par value (in dollars per share) $ 0.05   $ 0.05      
Preferred stock, shares issued (in shares) 0   0      
Share repurchases, authorized amount $ 1,000 $ 500     $ 5,250  
Stock repurchase program, repurchased from related party (in shares)       500,000    
Stock repurchase program, repurchased from related party       10    
Share repurchases, remaining amount     975      
Total share repurchases, unpaid amount           $ 4
Common Class B [Member]
            
Class of Stock [Line Items]            
Common Stock, Shares Authorized 60,000,000   60,000,000      
Common stock, shares issued (in shares) 0   0      
Number of common stock votes per share (in votes)     6