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STOCKHOLDER"S EQUITY - Dividends (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		6 Months Ended
	May 18, 2022	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021
Dividends Paid
Cash dividends paid per common share		$ 0.210	$ 0.194	$ 0.420	$ 0.388
Aggregate amount of cash dividends paid		$ 63	$ 59	$ 126	$ 118
Dividends Declared
Dividends Declared per share		$ 0.210	$ 0.194	$ 0.420	$ 0.388
Subsequent Event [Member]
Dividends Declared
Date Dividends Declared	May 18, 2022
Dividends Declared per share	$ 0.210
Aggregate dividends declared	$ 63
Payment Date of Declared Dividends	Jul. 27, 2022
Dividends Declared Date of Record	Jul. 05, 2022

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