Supplementary Financial Information - Schedule of Interest and Other, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest expense on borrowings	$ (116)	$ (143)
Factoring costs	(40)	(32)
Loss on extinguishment of debt	0	(8)
Non-operating retirement-related credits	4	11
Other, net	10	(9)
Interest and other, net	$ (142)	$ (181)