CONDENSED CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2025	Apr. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 257	$ 126	$ 426	$ 298
Other comprehensive income (loss):
Gain (loss) on derivative instruments, net of tax benefit (expense) of $1, $(1), $1 and zero	(1)	3	(2)	1
Amounts reclassified into earnings related to derivative instruments, net of tax benefit of $1, $1, $1 and $1	(3)	(2)	(8)	(4)
Foreign currency translation, net of tax benefit (expense) of zero	152	(32)	79	(5)
Change in net actuarial loss, net of tax expense of zero, $1, zero and $2	2	4	2	5
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent, Total	150	(27)	71	(3)
Total comprehensive income	$ 407	$ 99	$ 497	$ 295