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STOCKHOLDERS' EQUITY - Reclassifications out of accumulated comprehensive income (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jul. 31, 2022
Jul. 31, 2021
Jul. 31, 2022
Jul. 31, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives        
Unrealized gain (loss) on derivatives $ 11 $ (5) $ 19 $ (19)
Amounts reclassified into earnings related to derivative instruments, tax (3) 1 (5) 5
Unrealized gain (loss) on derivatives after reclassification and after Tax 8 (4) 14 (14)
Actuarial net loss (7) (15) (19) (47)
Prior service benefit 1 0 1 1
Actuarial net loss and prior service benefit reclassified, before tax (6) (15) (18) (46)
Tax on actuarial net loss and prior service benefit reclassified 2 3 5 11
Actuarial net loss and prior service benefit reclassified, net of tax (4) (12) (13) (35)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax 4 (16) 1 (49)
Cost of Products and Services        
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives        
Unrealized gain (loss) on derivatives 12 (4) 20 (18)
Interest Expense        
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives        
Unrealized gain (loss) on derivatives $ (1) $ (1) $ (1) $ (1)