Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Supplemental Cash Flow Elements [Abstract]
Equity in loss (income) of non-consolidated affiliates	$ (2)	$ (4)	$ 0
Dividends from non-consolidated affiliates	0	2	5
Equity in loss of non-consolidated affiliates, net of dividends	(2)	(2)	5
Loss (gain) on sale of property and equipment	2	(1)	0
Loss on sale and impairment of repossessed collateral	5	3	1
Income from operating leases	(12)	(11)	(24)
Other non-cash operating activities	(5)	(9)	(23)
Other current assets	4	(38)	(7)
Other noncurrent assets	(22)	(12)	(19)
Other current liabilities	49	115	116
Postretirement benefits liabilities	(13)	54	(131)
Other noncurrent liabilities	(11)	(21)	58
Other, net	11	3	9
Changes in other assets and liabilities	18	101	26
Interest, net of amounts capitalized	218	287	306
Income taxes, net of refunds	27	47	18
Transfers (to)/from inventories (from)/to property and equipment for leases to others	$ (11)	$ (15)	$ (9)