Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Supplemental Cash Flow Elements [Abstract]
Equity in loss (income) of non-consolidated affiliates	$ (6)	$ (6)	$ (6)
Dividends from non-consolidated affiliates	7	12	12
Equity in loss of non-consolidated affiliates, net of dividends	1	6	6
Loss (gain) on sale of property and equipment	(9)	2	(4)
Loss on sale and impairment of repossessed collateral	7	6	2
Income from operating leases	(26)	(20)	(33)
Other non-cash operating activities	(28)	(12)	(35)
Other current assets	(19)	8	(4)
Other noncurrent assets	(38)	(11)	12
Other current liabilities	(35)	(165)	79
Postretirement benefits liabilities	(65)	(47)	(54)
Other noncurrent liabilities	(62)	(114)	(135)
Other, net	(7)	(41)	25
Changes in other assets and liabilities	(226)	(370)	(77)
Interest, net of amounts capitalized	294	291	239
Income taxes, net of refunds	19	44	52
Property and equipment acquired under capital leases	0	1	2
Transfers (to)/from inventories (from)/to property and equipment for leases to others	$ (7)	$ (27)	$ (7)