Condensed Consolidating Guarantor and Non-Guarantor Financial Information - Statement of Comprehsive Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014
Net loss attributable to Navistar International Corporation	$ (64)	$ (297)	$ (106)	$ (545)
Other comprehensive income (loss):
Foreign currency translation adjustment	(27)	48	(86)	(14)
Defined benefit plans (net of tax of $(0), for all entities)	33	25	65	50
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	6	73	(21)	36
Total comprehensive loss attributable to Navistar International Corporation	(58)	(224)	(127)	(509)
Defined benefit plan, tax	0	0	(1)	(1)
Parent Company [Member]
Net loss attributable to Navistar International Corporation	(64)	(297)	(106)	(545)
Other comprehensive income (loss):
Foreign currency translation adjustment	(27)	48	(86)	(14)
Defined benefit plans (net of tax of $(0), for all entities)	33	25	65	50
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	6	73	(21)	36
Total comprehensive loss attributable to Navistar International Corporation	(58)	(224)	(127)	(509)
Defined benefit plan, tax	0	0
Guarantor Subsidiaries [Member]
Net loss attributable to Navistar International Corporation	(75)	(334)	(134)	(582)
Other comprehensive income (loss):
Foreign currency translation adjustment	0	0	0	0
Defined benefit plans (net of tax of $(0), for all entities)	31	25	62	50
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	31	25	62	50
Total comprehensive loss attributable to Navistar International Corporation	(44)	(309)	(72)	(532)
Defined benefit plan, tax	0	0
Non-Guarantor Subsidiaries [Member]
Net loss attributable to Navistar International Corporation	99	(79)	158	(63)
Other comprehensive income (loss):
Foreign currency translation adjustment	(27)	48	(86)	(14)
Defined benefit plans (net of tax of $(0), for all entities)	2	0	3	0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(25)	48	(83)	(14)
Total comprehensive loss attributable to Navistar International Corporation	74	(31)	75	(77)
Defined benefit plan, tax	0	0
Consolidation, Eliminations [Member]
Net loss attributable to Navistar International Corporation	(24)	413	(24)	645
Other comprehensive income (loss):
Foreign currency translation adjustment	27	(48)	86	14
Defined benefit plans (net of tax of $(0), for all entities)	(33)	(25)	(65)	(50)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(6)	(73)	21	(36)
Total comprehensive loss attributable to Navistar International Corporation	(30)	340	(3)	609
Defined benefit plan, tax	$ 0	$ 0