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Consolidated Condensed Balance Sheets (Unaudited) (Parenthetical) - $ / shares
Apr. 30, 2017
Oct. 31, 2016
Statement of Financial Position [Abstract]    
Preferred stock, par value (usd per share) $ 0.01 $ 0.01
Preferred stock, shares authorized 300,000,000 300,000,000
Preferred stock, shares issued 0 0
Common stock, par value (usd per share) $ 0.01 $ 0.01
Common stock, shares authorized 9,600,000,000 9,600,000,000
Common stock, shares issued 1,683,000,000 1,712,000,000
Common stock, shares outstanding 1,683,000,000 1,712,000,000