Restructuring and Impairments - Restructuring Reserve by Type (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015	Oct. 31, 2015	Oct. 31, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 5	$ 13	$ 11	$ 22
Restructuring Reserve	12	22	12	22	$ 68	$ 20
Restructuring and Related Cost, Incurred Cost			4	19
Payments for Restructuring			62	15
Restructuring Reserve, Accrual Adjustment			2	(2)
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		13
Restructuring Reserve	10	16	10	16	62	8
Restructuring and Related Cost, Incurred Cost			4	17
Payments for Restructuring			58	7
Restructuring Reserve, Accrual Adjustment			2	(2)
Lease Vacancy [Member] [Domain]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1	5	1	5	5	11
Restructuring and Related Cost, Incurred Cost			0	0
Payments for Restructuring			4	6
Restructuring Reserve, Accrual Adjustment			0	0
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 1	1	1	1	$ 1	$ 1
Restructuring and Related Cost, Incurred Cost			0	2
Payments for Restructuring			0	2
Restructuring Reserve, Accrual Adjustment			$ 0	0
Indianapolis and Waukesha Foundry [Member] | North America Truck [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost		$ 3		$ 28