Segment Reporting - Narrative (Details) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2016 USD ($) segments	Jul. 31, 2015 USD ($)	Jul. 31, 2016 USD ($)	Jul. 31, 2015 USD ($)
Segment Reporting Information [Line Items]
Number Of Segments | segments	4
Intersegment sales and revenues	$ 0	$ 0	$ 0	$ 0
Sales and revenues, net	2,086	2,538	6,048	7,652
North America Truck [Member]
Segment Reporting Information [Line Items]
Intersegment sales and revenues	9	49	81	121
Sales and revenues, net	1,395	1,834	4,007	5,470
North America Parts [Member]
Segment Reporting Information [Line Items]
Intersegment sales and revenues	8	11	23	29
Sales and revenues, net	597	625	1,814	1,864
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
Intersegment sales and revenues	(55)	(95)	(212)	(263)
Sales and revenues, net	$ (51)	$ (93)	$ (204)	$ (256)