Condensed Consolidating Guarantor and Non-Guarantor Financial Information - Statement of Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Sales and revenues, net	$ 2,197	$ 2,693	$ 3,962	$ 5,114
Costs of products sold	1,845	2,360	3,311	4,405
Restructuring charges	3	6	6	9
Asset impairment charges	3	1	5	8
All other operating expenses (income)	319	366	641	760
Total costs and expenses	2,170	2,733	3,963	5,182
Equity in income of non-consolidated affiliates	2	1	1	3
Income (loss) before income taxes	29	(39)	0	(65)
Income tax expense	(16)	(18)	(11)	(25)
Earnings (loss) from continuing operations	13	(57)	(11)	(90)
Income (loss) from discontinued operations, net of tax	0	0	0	0
Net income (loss)	13	(57)	(11)	(90)
Less: Net income attributable to non-controlling interests	9	7	18	16
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	69	(58)	36	(127)
Net income (loss) attributable to Navistar International Corporation	4	(64)	(29)	(106)
Parent Company [Member]
Sales and revenues, net	0	0	0	0
Costs of products sold	0	0	0	0
Restructuring charges	0	0	0	0
Asset impairment charges	0	0	0	0
All other operating expenses (income)	38	27	57	50
Total costs and expenses	38	27	57	50
Equity in income of non-consolidated affiliates	42	(37)	28	(56)
Income (loss) before income taxes	4	(64)	(29)	(106)
Income tax expense	0	0	0	0
Earnings (loss) from continuing operations	4	(64)	(29)	(106)
Income (loss) from discontinued operations, net of tax	0	0	0	0
Net income (loss)	4	(64)	(29)	(106)
Less: Net income attributable to non-controlling interests	0	0	0	0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	69	(58)	36	(127)
Net income (loss) attributable to Navistar International Corporation	4	(64)	(29)	(106)
Guarantor Subsidiaries [Member]
Sales and revenues, net	1,702	2,009	3,044	3,619
Costs of products sold	1,548	1,864	2,752	3,273
Restructuring charges	3	0	4	3
Asset impairment charges	2	1	2	8
All other operating expenses (income)	233	282	446	546
Total costs and expenses	1,786	2,147	3,204	3,830
Equity in income of non-consolidated affiliates	68	64	55	79
Income (loss) before income taxes	(16)	(74)	(105)	(132)
Income tax expense	(2)	(1)	11	(2)
Earnings (loss) from continuing operations	(18)	(75)	(94)	(134)
Income (loss) from discontinued operations, net of tax	0	0	0	0
Net income (loss)	(18)	(75)	(94)	(134)
Less: Net income attributable to non-controlling interests	0	0	0	0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	13	(44)	(31)	(72)
Net income (loss) attributable to Navistar International Corporation	(18)	(75)	(94)	(134)
Non-Guarantor Subsidiaries [Member]
Sales and revenues, net	1,423	1,943	2,623	3,711
Costs of products sold	1,208	1,735	2,231	3,305
Restructuring charges	0	6	2	6
Asset impairment charges	1	0	3	0
All other operating expenses (income)	66	79	174	204
Total costs and expenses	1,275	1,820	2,410	3,515
Equity in income of non-consolidated affiliates	0	0	(1)	1
Income (loss) before income taxes	148	123	212	197
Income tax expense	(14)	(17)	(22)	(23)
Earnings (loss) from continuing operations	134	106	190	174
Income (loss) from discontinued operations, net of tax	0	0	0	0
Net income (loss)	134	106	190	174
Less: Net income attributable to non-controlling interests	9	7	18	16
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	159	74	174	75
Net income (loss) attributable to Navistar International Corporation	125	99	172	158
Consolidation, Eliminations [Member]
Sales and revenues, net	(928)	(1,259)	(1,705)	(2,216)
Costs of products sold	(911)	(1,239)	(1,672)	(2,173)
Restructuring charges	0	0	0	0
Asset impairment charges	0	0	0	0
All other operating expenses (income)	(18)	(22)	(36)	(40)
Total costs and expenses	(929)	(1,261)	(1,708)	(2,213)
Equity in income of non-consolidated affiliates	(108)	(26)	(81)	(21)
Income (loss) before income taxes	(107)	(24)	(78)	(24)
Income tax expense	0	0	0	0
Earnings (loss) from continuing operations	(107)	(24)	(78)	(24)
Income (loss) from discontinued operations, net of tax	0	0	0	0
Net income (loss)	(107)	(24)	(78)	(24)
Less: Net income attributable to non-controlling interests	0	0	0	0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(172)	(30)	(143)	(3)
Net income (loss) attributable to Navistar International Corporation	$ (107)	$ (24)	$ (78)	$ (24)