Segment Reporting - Summary of Segment Assets (Details) - USD ($) $ in Millions	Oct. 31, 2016	Oct. 31, 2015
Segment Reporting Information [Line Items]
Segment Assets	$ 5,653	$ 6,649
North America Truck [Member]
Segment Reporting Information [Line Items]
Segment Assets	1,520	1,876
North America Parts [Member]
Segment Reporting Information [Line Items]
Segment Assets	594	641
Global Operations [Member]
Segment Reporting Information [Line Items]
Segment Assets	407	409
Financial Services Operations
Segment Reporting Information [Line Items]
Segment Assets	2,116	2,448
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
Segment Assets	$ 1,016	$ 1,275