Segment Reporting - Narrative (Details) $ in Millions	3 Months Ended
	Jan. 31, 2016 USD ($) segments	Jan. 31, 2015 USD ($)
Segment Reporting Information [Line Items]
Number Of Segments | segments	4
Intersegment sales and revenues	$ 0	$ 0
Sales and revenues, net	1,765	2,421
North America Truck [Member]
Segment Reporting Information [Line Items]
Intersegment sales and revenues	51	74
Sales and revenues, net	1,132	1,705
North America Parts [Member]
Segment Reporting Information [Line Items]
Intersegment sales and revenues	8	12
Sales and revenues, net	570	626
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
Intersegment sales and revenues	(91)	(124)
Sales and revenues, net	$ (88)	$ (122)