CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Unrealized gain (loss) on derivatives, tax expense (benefit)	$ 0	$ (2)	$ (1)
Amounts reclassified into earnings related to derivative instruments, tax expense (benefit)	1	(1)	0
Foreign currency translation, tax expense (benefit)	5	3	(1)
Change in actuarial net loss, tax expense (benefit)	2	0	(5)
Change in net prior service benefit, tax expense(benefit)	$ 0	$ 0	$ 0