Restructuring and Impairments - Schedule of Impairment Charges (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2017	Jul. 31, 2016	Oct. 31, 2016
Restructuring Cost and Reserve [Line Items]
Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent	$ 2,747		$ 2,747		$ 3,023
Asset impairment charges	6	$ 12	13	$ 17
North America Truck [Member]
Restructuring Cost and Reserve [Line Items]
Asset impairment charges	$ 1	$ 11	8	$ 16
North America Truck [Member] | Pure Power Technologies [Member]
Restructuring Cost and Reserve [Line Items]
Asset impairment charges			3
North America Truck [Member] | Conway [Member]
Restructuring Cost and Reserve [Line Items]
Asset impairment charges			$ 5