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STOCKHOLDERS' EQUITY - Reclassifications out of accumulated comprehensive income (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Apr. 30, 2024
Apr. 30, 2023
Apr. 30, 2024
Apr. 30, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Amounts reclassified out of accumulated other comprehensive income (loss) $ (6)   $ (20)  
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax 0 $ 0 0 $ 0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax 0 0 8 0
Unrealized gain (loss) on derivatives 1 (4) 4 2
Amounts reclassified into earnings related to derivative instruments, tax 0 1 (1) (1)
Unrealized gain (loss) on derivatives after reclassification and after Tax 1 (3) 3 1
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax (5) 1 (8) 0
Prior service benefit 0 1 0 1
Actuarial net loss and prior service benefit reclassified, before tax 5 0 8 1
Tax on actuarial net loss and prior service benefit reclassified (1) 0 (2) (1)
Actuarial net loss and prior service benefit reclassified, net of tax 4 0 6 0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax 5 (3) 17 1
Cost of Products and Services        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Unrealized gain (loss) on derivatives 2 (3) 5 3
Interest Expense        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Unrealized gain (loss) on derivatives (1) (1) (1) (1)
Other Income (Expense)        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Amounts reclassified out of accumulated other comprehensive income (loss) 0 0 8 0
Foreign Currency Gain (Loss)        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Amounts reclassified out of accumulated other comprehensive income (loss) $ 0 $ 0 $ 8 $ 0