Segment Reporting - Narrative (Details) $ in Millions	3 Months Ended
	Jan. 31, 2017 USD ($) segments	Jan. 31, 2016 USD ($)
Segment Reporting Information [Line Items]
Number Of Segments | segments	4
Intersegment sales and revenues	$ 0	$ 0
Sales and revenues, net	1,663	1,765
Financial Services Operations
Segment Reporting Information [Line Items]
Intersegment sales and revenues	20	24
Sales and revenues, net	54	59
North America Truck [Member]
Segment Reporting Information [Line Items]
Intersegment sales and revenues	10	51
Sales and revenues, net	1,027	1,132
North America Parts [Member]
Segment Reporting Information [Line Items]
Intersegment sales and revenues	7	8
Sales and revenues, net	570	570
Corporate And Eliminations [Member]
Segment Reporting Information [Line Items]
Intersegment sales and revenues	(41)	(91)
Sales and revenues, net	$ (38)	$ (88)