LEASES - Lease Costs (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Leases [Abstract]
Operating Lease, Cost	$ 55	$ 58	$ 68
Short-term Lease, Cost	1	0	2
Variable Lease, Cost	12	15	16
Sublease Income	(17)	(17)	(16)
Total Lease, Cost	51	56	70
Accelerated Depreciation		1	8
ROU Assets Impairments	$ 0	$ 0	$ 8