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Consolidated Balance Sheets (Parenthetical) - $ / shares
shares in Millions
May. 01, 2016
Jan. 31, 2016
Statement of Financial Position [Abstract]    
Common Stock, par value $ 0.05 $ 0.05
Common Stock, shares authorized 10,000 10,000
Common Stock, shares issued 1,774 1,772
Common Stock, shares outstanding 1,245 1,252
Treasury Stock, shares 529 520