Supplementary Financial Information - Schedule of Interest and Other, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2025	Jan. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest expense on borrowings	$ (104)	$ (116)
Factoring costs	(37)	(40)
Non-operating retirement-related credits	6	4
Other, net	(6)	10
Interest and other, net	$ (141)	$ (142)