Summary of Significant Accounting Policies - Narrative (Details) $ in Millions	3 Months Ended
	Jan. 31, 2016 USD ($) employees segments	Jan. 31, 2015 USD ($)	Oct. 31, 2015 USD ($)
Accounting Policies [Line Items]
Costs of products sold	$ 1,466	$ 2,045
Net loss attributable to Navistar International Corporation	$ (33)	(42)
Number Of Segments | segments	4
Goodwill	$ 38		$ 38
Sales of manufactured products, net	1,730	2,385
Depreciation, Depletion and Amortization	58	79
Interest expense	81	77
Capital expenditures	29	17
Proceeds from financed lease obligations	7	10
Product Warranty Accrual, Preexisting, Increase (Decrease)	$ 5	(57)
Unionized Employees Concentration Risk [Member] | Number Of Employees Hourly Workers [Member]
Accounting Policies [Line Items]
Concentration Risk Number Of Employees | employees	5,500
concentration risk number of employees percentage	77.00%
Unionized Employees Concentration Risk [Member] | Number of Employees Salaried Workers [Member]
Accounting Policies [Line Items]
Concentration Risk Number Of Employees | employees	300
concentration risk number of employees percentage	5.00%
Product Warranty Accrual [Member]
Accounting Policies [Line Items]
Product Warranty Accrual, Preexisting, Increase (Decrease)		(57)
North America Truck [Member]
Accounting Policies [Line Items]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)		7
Depreciation, Depletion and Amortization	$ 34	52
Interest expense	0	0
Capital expenditures	25	14
Extended Warranty Programs [Member]
Accounting Policies [Line Items]
Deferred Revenue, Revenue Recognized	38	$ 37
Deferred Revenue	$ 383		$ 401