Restructuring and Impairments - Restructuring Reserve by Type (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Jul. 31, 2015	Jul. 31, 2014	Apr. 30, 2014	Jul. 31, 2015	Jul. 31, 2014	Oct. 31, 2014	Oct. 31, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 13	$ 16		$ 22	$ 27
Restructuring Reserve	22	25		22	25	$ 20	$ 34
Restructuring and Related Cost, Incurred Cost				19	14
Payments for Restructuring				15	21
Restructuring Reserve, Accrual Adjustment				(2)	(2)
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	13		$ 8
Restructuring Reserve	16	13		16	13	8	15
Restructuring and Related Cost, Incurred Cost				17	12
Payments for Restructuring				7	12
Restructuring Reserve, Accrual Adjustment				(2)	(2)
Employee Relocation [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve		0			0		0
Restructuring and Related Cost, Incurred Cost					1
Payments for Restructuring					1
Restructuring Reserve, Accrual Adjustment					0
Lease Vacancy [Member] [Domain]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	5	13		5	13	11	18
Restructuring and Related Cost, Incurred Cost				0	1
Payments for Restructuring				6	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				2	0
Payments for Restructuring				2	2
Restructuring Reserve, Accrual Adjustment				0	$ 0
Indianapolis and Waukesha Foundry [Member] | North America Truck [Member] | Maximum [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 3			$ 28