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STOCKHOLDER"S EQUITY - Dividends (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended
--- | ---
Jan. 31, 2018 | Jan. 31, 2017
Dividends Paid |  |
Cash dividends paid per common share | $ 0.149 | $ 0.132
Aggregate amount of cash dividends paid | $ 48 | $ 42

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