Goodwill and Other Intangible assets, Net - Narrative (Details) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Apr. 30, 2014	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Goodwill [Line Items]
Goodwill				$ 38	$ 38	$ 38	$ 184
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)				1	7	7
Goodwill, Impairment Loss				0	0	142
Amortization of Intangible Assets				12	10	18
North America Truck [Member]
Goodwill [Line Items]
Goodwill				0	0	0	$ 0
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)				8	9
Goodwill, Impairment Loss				$ 0	$ 0	$ 0
Brazilian Reporting Unit [Member]
Goodwill [Line Items]
Goodwill			$ 142
Indefinite-Lived Intangible Assets (Excluding Goodwill)		$ 24	43
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	$ 1	$ 3	$ 7