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Consolidated Balance Sheets (Parenthetical) - $ / shares
Oct. 31, 2015
Jan. 31, 2015
Nov. 01, 2014
Preferred Stock, Par Value $ 1 $ 1 $ 1
Preferred Stock, Shares Authorized 10,000,000 10,000,000 10,000,000
Preferred Stock, Shares Issued 0 0 0
Common Stock, Par Value $ 0.50 $ 0.50 $ 0.50
Common Stock, Shares Authorized 1,000,000,000 1,000,000,000 1,000,000,000
Common Stock, Shares, Issued 313,000,000 310,000,000 310,000,000
Common Stock, Shares, Outstanding 291,000,000 292,000,000 293,000,000
Treasury Stock, Shares 22,000,000 18,000,000 17,000,000