Restructuring and Impairments - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015	Jul. 31, 2014	Oct. 31, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 3	$ 3
Asset impairment charges	2	7
Goodwill	38			$ 38
North America Truck [Member]
Restructuring Cost and Reserve [Line Items]
Asset impairment charges	2
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)		7
Minimum [Member] | Chatham [Member] | North America Truck [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	0
Maximum [Member] | Chatham [Member] | North America Truck [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	$ 60
Maximum [Member] | Indianapolis and Waukesha Foundry [Member] | North America Truck [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date		$ 13
Other Postretirement Benefit Plan [Member] | Chatham [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Postemployment Benefits, Period Expense			$ 14