Supplementary Financial Information - Schedule of Interest and other, net (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest expense on borrowings	$ (430)	$ (452)	$ (548)
Factoring costs	(125)	(155)	(136)
Certain litigation benefits	52	0	0
Net (loss) gain on debt extinguishment	0	(3)	107
Non-operating retirement-related credits	13	14	51
Other, net	(16)	57	7
Interest and other, net	$ (506)	$ (539)	$ (519)