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Capital Stock and Earnings Per Share - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Aug. 01, 2015
Aug. 02, 2014
Aug. 01, 2015
Aug. 02, 2014
Feb. 28, 2015
Feb. 28, 2014
Capital Unit [Line Items]            
Shares repurchased and retired shares 6,600,000   12,700,000      
Shares repurchased and retired value $ 440,000   $ 855,000      
Cash expenditures under repurchase programs     $ 851,081 $ 799,800    
Stock repurchase program, common stock purchase value         $ 2,000,000 $ 2,000,000
Preferred stock, shares authorized 5,000,000   5,000,000      
Preferred stock, par value $ 1   $ 1      
Antidilutive options excluded 0 4,600,000 0 4,200,000    
Stock Repurchase Programs 2014            
Capital Unit [Line Items]            
Shares repurchased and retired shares     23,500,000      
Shares repurchased and retired value     $ 1,500,000      
Remaining available stock under stock repurchase plan $ 459,200   $ 459,200