Goodwill and Other Intangible assets, Net - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Goodwill [Line Items]
Goodwill			$ 38	$ 38	$ 38	$ 38
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)			0	1	7
Goodwill, Impairment Loss			0	0	0
Amortization of Intangible Assets			12	12	10
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]
Indefinite-Lived Intangible Assets (Excluding Goodwill)		$ 24
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	$ 1	$ 3