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Consolidated Balance Sheets (Parenthetical) - $ / shares
Apr. 29, 2016
Jan. 29, 2016
May. 01, 2015
Shareholders' equity:      
Preferred stock, par value $ 5 $ 5 $ 5
Preferred stock, shares issued 0 0 0
Common stock, par value $ 0.50 $ 0.50 $ 0.50
Common stock, shares issued 894,000,000 910,000,000 947,000,000
Common stock, shares outstanding 894,000,000 910,000,000 947,000,000