Restructuring and Impairments - Schedule of Impairment Charges (Details) - USD ($) $ in Millions	3 Months Ended				9 Months Ended	12 Months Ended
	Jul. 31, 2016	Oct. 31, 2015	Jul. 31, 2015	Apr. 30, 2014	Jul. 31, 2016	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Restructuring Cost and Reserve [Line Items]
Cost of Goods Sold						$ 0	$ 0	$ 142
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)						1	7	7
Other Asset Impairment Charges						26	23	34
Asset impairment charges						27	30	183
Brazilian Reporting Unit [Member]
Restructuring Cost and Reserve [Line Items]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	$ 1		$ 3	$ 7
North America Truck [Member]
Restructuring Cost and Reserve [Line Items]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)						8	9
Asset impairment charges						$ 17	$ 11	33
Global Operations [Member]
Restructuring Cost and Reserve [Line Items]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)		$ 4
Asset impairment charges		3
Asset Impairment Charges Including Intangible Assets		$ 7						$ 32
Pure Power Technologies [Member] | North America Truck [Member]
Restructuring Cost and Reserve [Line Items]
Asset impairment charges					$ 3