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CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Jul. 31, 2022
Jul. 31, 2021
Other comprehensive income (loss), tax, parenthetical disclosures [Abstract]        
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax $ 3 $ 7 $ (7) $ (4)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax 0 0 0 0
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax 0 0 0 0
Net defined benefit pension cost and post retirement plan costs, tax [Abstract]        
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax $ 3 $ 6 $ 7 $ 16