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STOCKHOLDERS' EQUITY - Reclassifications out of accumulated other comprehensive income (Details) - USD ($)
$ in Millions
 12 Months Ended
Oct. 31, 2022
Oct. 31, 2021
Oct. 31, 2020
Unrealized gains (losses) on derivatives $ 34 $ (17)  
Amounts reclassified into earnings related to derivative instruments, tax expense (benefit) (8) 4 $ 0
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax 26 (13) $ (2)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax (28) (64)  
Amortization of prior service benefit 1 (1)  
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax (27) (63)  
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax 7 15  
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax (20) (48)  
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax 6 (61)  
Cost of Product and Services      
Unrealized gains (losses) on derivatives 36 (16)  
Interest Expense      
Unrealized gains (losses) on derivatives $ (2) $ (1)