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Capital Stock and Earnings Per Share - Additional Information (Detail) (USD $)
 1 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended
Apr. 30, 2012
Feb. 29, 2012
Jan. 17, 2012
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Apr. 02, 2013
Subsequent Event
Repurchase of Equity
Feb. 02, 2013
Stock Repurchase Programs 2012
Capital Unit [Line Items]                
Stock split, conversion ratio per share     2   2      
Shares repurchased and retired shares       30,600,000       24,700,000
Shares repurchased and retired value       $ 1,300,000,000       $ 1,075,300,000
Cash expenditures under repurchase programs       1,345,082,000 1,320,812,000 1,193,380,000    
Repurchase of common stock in shares       32,000,000 48,400,000 54,900,000    
Stock repurchased completed 1,000,000,000              
Stock repurchase program, common stock purchase value   2,000,000,000         1,500,000,000  
Remaining available stock under stock repurchase plan               $ 924,700,000
Preferred stock, shares authorized       5,000,000        
Preferred stock, par value       $ 1        
Antidilutive options excluded       4,900,000 0 0