STOCKHOLDERS' EQUITY - Reclassifications out of accumulated comprehensive income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2023	Apr. 30, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives
Unrealized gain (loss) on derivatives	$ (4)	$ 5	$ 2	$ 8
Amounts reclassified into earnings related to derivative instruments, tax	1	(1)	(1)	(2)
Unrealized gain (loss) on derivatives after reclassification and after Tax	(3)	4	1	6
Actuarial net loss	(1)	(6)	0	(12)
Prior service benefit	1	0	1	0
Actuarial net loss and prior service benefit reclassified, before tax	0	(6)	1	(12)
Tax on actuarial net loss and prior service benefit reclassified	0	2	(1)	3
Actuarial net loss and prior service benefit reclassified, net of tax	0	(4)	0	(9)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(3)	0	1	(3)
Cost of Products and Services
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives
Unrealized gain (loss) on derivatives	(3)	5	3	8
Interest Expense
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives
Unrealized gain (loss) on derivatives	$ (1)	$ 0	$ (1)	$ 0