Condensed Consolidating Guarantor and Non-Guarantor Financial Information - Balance Sheet (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 459	$ (136)	$ (522)
Cash and cash equivalents	706	804	912	$ 497
Marketable securities	370	46
Restricted cash	134	112
Finance and other receivables, net	2,189	1,969
Inventories, net	857	944
Investments in non-consolidated affiliates	56	53
Property and equipment, net	1,326	1,241
Goodwill	38	38	38	$ 38
Deferred taxes, net	129	161
Other	330	285
Total assets	6,135	5,653
Debt	5,058	4,904
Postretirement benefits liabilities	2,555	3,098
Amounts due to (from) affiliates	0	0
Other liabilities	3,096	2,944
Total liabilities	10,709	10,946
Stockholders’ equity attributable to non-controlling interests	4	5
Stockholders’ equity (deficit) attributable to Navistar International Corporation	(4,578)	(5,298)
Liabilities and Equity	6,135	5,653
Parent Company [Member]
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	459	(136)	(522)
Cash and cash equivalents	425	435
Marketable securities	338	27
Restricted cash	16	16
Finance and other receivables, net	1	(1)
Inventories, net	0	0
Investments in non-consolidated affiliates	(6,892)	(7,714)
Property and equipment, net	0	0
Goodwill	0	0
Deferred taxes, net	0	0
Other	6	2
Total assets	(6,106)	(7,235)
Debt	2,232	1,965
Postretirement benefits liabilities	0	0
Amounts due to (from) affiliates	(7,686)	(7,724)
Other liabilities	3,926	3,822
Total liabilities	(1,528)	(1,937)
Stockholders’ equity attributable to non-controlling interests	0	0
Stockholders’ equity (deficit) attributable to Navistar International Corporation	(4,578)	(5,298)
Liabilities and Equity	(6,106)	(7,235)
Guarantor Subsidiaries [Member]
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	346	(106)	(430)
Cash and cash equivalents	93	117
Marketable securities	0	0
Restricted cash	8	6
Finance and other receivables, net	223	171
Inventories, net	543	639
Investments in non-consolidated affiliates	6,443	6,253
Property and equipment, net	802	669
Goodwill	0	0
Deferred taxes, net	5	10
Other	138	110
Total assets	8,255	7,975
Debt	1,165	1,100
Postretirement benefits liabilities	2,461	2,865
Amounts due to (from) affiliates	10,937	10,709
Other liabilities	(105)	(152)
Total liabilities	14,458	14,522
Stockholders’ equity attributable to non-controlling interests	0	0
Stockholders’ equity (deficit) attributable to Navistar International Corporation	(6,203)	(6,547)
Liabilities and Equity	8,255	7,975
Non-Guarantor Subsidiaries [Member]
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	420	258	235
Cash and cash equivalents	188	252
Marketable securities	32	19
Restricted cash	110	90
Finance and other receivables, net	2,055	1,883
Inventories, net	318	313
Investments in non-consolidated affiliates	53	57
Property and equipment, net	531	580
Goodwill	38	38
Deferred taxes, net	124	150
Other	187	175
Total assets	3,636	3,557
Debt	1,661	1,841
Postretirement benefits liabilities	94	233
Amounts due to (from) affiliates	(3,303)	(3,040)
Other liabilities	(662)	(665)
Total liabilities	(2,210)	(1,631)
Stockholders’ equity attributable to non-controlling interests	4	5
Stockholders’ equity (deficit) attributable to Navistar International Corporation	5,842	5,183
Liabilities and Equity	3,636	3,557
Consolidation, Eliminations [Member]
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(766)	(152)	$ 195
Cash and cash equivalents	0	0
Marketable securities	0	0
Restricted cash	0	0
Finance and other receivables, net	(90)	(84)
Inventories, net	(4)	(8)
Investments in non-consolidated affiliates	452	1,457
Property and equipment, net	(7)	(8)
Goodwill	0	0
Deferred taxes, net	0	1
Other	(1)	(2)
Total assets	350	1,356
Debt	0	(2)
Postretirement benefits liabilities	0	0
Amounts due to (from) affiliates	52	55
Other liabilities	(63)	(61)
Total liabilities	(11)	(8)
Stockholders’ equity attributable to non-controlling interests	0	0
Stockholders’ equity (deficit) attributable to Navistar International Corporation	361	1,364
Liabilities and Equity	$ 350	$ 1,356