Supplementary Financial Information - Schedule of Interest and Other, Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest expense on borrowings	$ (111)	$ (134)	$ (343)	$ (429)
Factoring costs	(38)	(37)	(117)	(99)
Net gain on debt extinguishment	0	115	0	107
Non-operating retirement-related credits	4	14	10	40
Other, net	32	26	40	24
Interest and other, net	$ (113)	$ (16)	$ (410)	$ (357)