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Consolidated Balance Sheets (Parenthetical) - $ / shares
Feb. 03, 2017
Jan. 29, 2016
Shareholders' equity:    
Preferred stock, par value $ 5 $ 5
Preferred stock, shares issued 0 0
Common stock, par value $ 0.50 $ 0.50
Common stock, shares issued 866,000,000 910,000,000
Common stock, shares outstanding 866,000,000 910,000,000