STOCKHOLDERS' EQUITY - Reclassifications out of accumulated comprehensive income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified out of accumulated other comprehensive income (loss)	$ (7)		$ (27)
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	3	(2)	7	0
Amounts reclassified into earnings related to derivative instruments, tax	(1)	1	(2)	0
Unrealized gain (loss) on derivatives after reclassification and after Tax	2	(1)	5	0
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax	(4)	(1)	(12)	(1)
Prior service benefit	0	0	0	1
Actuarial net loss and prior service benefit reclassified, before tax	4	1	12	2
Tax on actuarial net loss and prior service benefit reclassified	(2)	0	(4)	(1)
Actuarial net loss and prior service benefit reclassified, net of tax	2	1	8	1
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	4	0	21	1
Cost of Products and Services
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrealized gain (loss) on derivatives	3	(2)	8	1
Interest Expense
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Unrealized gain (loss) on derivatives	0	0	(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