Condensed Consolidating Guarantor and Non-Guarantor - Balance Sheet (Details) (USD $) In Millions, unless otherwise specified	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010	Oct. 31, 2009
Cash and cash equivalents	$ 1,087	$ 539	$ 585	$ 1,212
Marketable securities	466	718
Restricted Cash	161	327
Finance and other receivables, net	2,992	4,254
Inventories	1,537	1,714
Investments in non-consolidated affiliates	62	60
Property, Plant and Equipment, Net	1,660	1,570
Goodwill	280	319	324	318
Deferred Taxes Net	263	2,057
Other	594	733
Total Assets	9,102	12,291	9,730
Debt	4,771	4,856
Postretirement benefits liabilities	3,511	3,316
Amounts due to (from) affiliaites	0	0
Other Liabilities	4,080	4,091
Total liabilities	12,362	12,263
Redeemable equity securities	5	5
Stockholders' equity attributable to non-controlling interests	45	50
Stockholders' Equity (deficit) attributable to Navistar International Corporation	(3,310)	(27)
Total liabilities and stockholders' equity (deficit)	9,102	12,291
Parent Company [Domain]
Cash and cash equivalents	702	226
Marketable securities	314	429
Restricted Cash	24	20
Finance and other receivables, net	5	3
Inventories	0	0
Investments in non-consolidated affiliates	(5,616)	(2,094)
Property, Plant and Equipment, Net	0	0
Goodwill	0	0
Deferred Taxes Net	9	31
Other	83	168
Total Assets	(4,479)	(1,217)
Debt	1,617	1,689
Postretirement benefits liabilities	0	0
Amounts due to (from) affiliaites	(5,863)	(5,574)
Other Liabilities	3,072	2,690
Total liabilities	(1,174)	(1,195)
Redeemable equity securities	5	5
Stockholders' equity attributable to non-controlling interests	0	0
Stockholders' Equity (deficit) attributable to Navistar International Corporation	(3,310)	(27)
Total liabilities and stockholders' equity (deficit)	(4,479)	(1,217)
Guarantor Subsidiaries [Domain]
Cash and cash equivalents	55	13
Marketable securities	0	1
Restricted Cash	8	9
Finance and other receivables, net	128	154
Inventories	691	650
Investments in non-consolidated affiliates	6,454	5,818
Property, Plant and Equipment, Net	790	600
Goodwill	0	0
Deferred Taxes Net	11	1,912
Other	177	152
Total Assets	8,314	9,309
Debt	1,162	156
Postretirement benefits liabilities	3,144	2,981
Amounts due to (from) affiliaites	9,522	9,055
Other Liabilities	337	(194)
Total liabilities	14,165	11,998
Redeemable equity securities	0	0
Stockholders' equity attributable to non-controlling interests	0	0
Stockholders' Equity (deficit) attributable to Navistar International Corporation	(5,851)	(2,689)
Total liabilities and stockholders' equity (deficit)	8,314	9,309
Non-Guarantor Subsidiaries [Domain]
Cash and cash equivalents	330	300
Marketable securities	152	288
Restricted Cash	129	298
Finance and other receivables, net	2,859	4,070
Inventories	885	1,113
Investments in non-consolidated affiliates	54	54
Property, Plant and Equipment, Net	874	972
Goodwill	280	319
Deferred Taxes Net	243	114
Other	335	416
Total Assets	6,141	7,944
Debt	1,997	3,242
Postretirement benefits liabilities	367	335
Amounts due to (from) affiliaites	(3,743)	(3,595)
Other Liabilities	748	1,717
Total liabilities	(631)	1,699
Redeemable equity securities	0	0
Stockholders' equity attributable to non-controlling interests	45	52
Stockholders' Equity (deficit) attributable to Navistar International Corporation	6,727	6,193
Total liabilities and stockholders' equity (deficit)	6,141	7,944
Consolidation, Eliminations [Domain]
Cash and cash equivalents	0	0
Marketable securities	0	0
Restricted Cash	0	0
Finance and other receivables, net	0	27
Inventories	(39)	(49)
Investments in non-consolidated affiliates	(830)	(3,718)
Property, Plant and Equipment, Net	(4)	(2)
Goodwill	0	0
Deferred Taxes Net	0	0
Other	(1)	(3)
Total Assets	(874)	(3,745)
Debt	(5)	(231)
Postretirement benefits liabilities	0	0
Amounts due to (from) affiliaites	84	114
Other Liabilities	(77)	(122)
Total liabilities	2	(239)
Redeemable equity securities	0	0
Stockholders' equity attributable to non-controlling interests	0	(2)
Stockholders' Equity (deficit) attributable to Navistar International Corporation	(876)	(3,504)
Total liabilities and stockholders' equity (deficit)	$ (874)	$ (3,745)