Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016
Supplemental Cash Flow Elements [Abstract]
Equity in loss (income) of non-consolidated affiliates	$ 0	$ (6)	$ (6)
Dividends from non-consolidated affiliates	7	7	12
Equity in loss of non-consolidated affiliates, net of dividends	7	1	6
Loss (gain) on sale of property and equipment	0	(9)	2
Loss on sale and impairment of repossessed collateral	1	7	6
Income from operating leases	(24)	(26)	(20)
Other non-cash operating activities	(23)	(28)	(12)
Other current assets	(7)	(19)	8
Other noncurrent assets	(19)	(38)	(11)
Other current liabilities	116	(35)	(165)
Postretirement benefits liabilities	(131)	(65)	(47)
Other noncurrent liabilities	58	(62)	(114)
Other, net	9	(7)	(41)
Changes in other assets and liabilities	26	(226)	(370)
Interest, net of amounts capitalized	306	294	291
Income taxes, net of refunds	18	19	44
Property and equipment acquired under capital leases	0	0	1
Transfers (to)/from inventories (from)/to property and equipment for leases to others	$ (9)	$ (7)	$ (27)