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CONDENSED CONSOLIDATE STATEMENT OF EQUITY - (PARENTHETICAL) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Jul. 31, 2021
Jul. 31, 2020
Statement of Stockholders' Equity [Abstract]        
Dividends Declared per share $ 0.194 $ 0.18 $ 0.582 $ 0.54
Tax related to shares issued $ 1 $ 1 $ 74 $ 34