Condensed Consolidating Guarantor and Non-Guarantor Financial Information Balance Sheet (Details) (USD $) In Millions	Jul. 31, 2011	Oct. 31, 2010	Jul. 31, 2010	Oct. 31, 2009
Assets
Cash and cash equivalents	$ 444	$ 585	$ 515	$ 1,212
Marketable securities	620	586
Restricted cash and cash equivalents	159	180
Finance and other receivables, net	3,931	3,946
Inventories	1,731	1,568
Investments in non-consolidated affiliates	111	103
Property and equipment, net	1,492	1,442
Goodwill	334	324
Deferred taxes, net	1,572	146
Other	784	850
Total assets	11,178	9,730
Liabilities and stockholders' equity (deficit)
Debt	4,555	4,870
Postretirement benefits liabilities	2,084	2,179
Amounts due to (from) affiliates	0	0
Other liabilities	3,782	3,605
Total liabilities	10,421	10,654
Redeemable equity securities	5	8
Stockholders' equity attributable to non-controlling interests	41	49
Total stockholders' equity (deficit) attributable to Navistar International Corporation	711	(981)
Total liabilities and stockholders' equity (deficit)	11,178	9,730
NIC [Member]
Assets
Cash and cash equivalents	139	239	199	792
Marketable securities	294	375
Restricted cash and cash equivalents	20	20
Finance and other receivables, net	5	9
Inventories	0	0
Investments in non-consolidated affiliates	(892)	(3,006)
Property and equipment, net	0	0
Goodwill	0	0
Deferred taxes, net	21	1
Other	215	266
Total assets	(198)	(2,096)
Liabilities and stockholders' equity (deficit)
Debt	1,683	1,666
Postretirement benefits liabilities	0	0
Amounts due to (from) affiliates	(5,323)	(5,058)
Other liabilities	2,726	2,269
Total liabilities	(914)	(1,123)
Redeemable equity securities	5	8
Stockholders' equity attributable to non-controlling interests	0	0
Total stockholders' equity (deficit) attributable to Navistar International Corporation	711	(981)
Total liabilities and stockholders' equity (deficit)	(198)	(2,096)
Navistar, Inc. [Member]
Assets
Cash and cash equivalents	85	22	28	36
Marketable securities	0	0
Restricted cash and cash equivalents	7	9
Finance and other receivables, net	194	222
Inventories	684	644
Investments in non-consolidated affiliates	5,606	5,290
Property and equipment, net	530	443
Goodwill	0	0
Deferred taxes, net	1,254	1
Other	143	118
Total assets	8,503	6,749
Liabilities and stockholders' equity (deficit)
Debt	119	213
Postretirement benefits liabilities	1,774	1,907
Amounts due to (from) affiliates	8,978	8,111
Other liabilities	(85)	112
Total liabilities	10,786	10,343
Redeemable equity securities	0	0
Stockholders' equity attributable to non-controlling interests	0	0
Total stockholders' equity (deficit) attributable to Navistar International Corporation	(2,283)	(3,594)
Total liabilities and stockholders' equity (deficit)	8,503	6,749
Non-Guarantor Subsidiaries [Member]
Assets
Cash and cash equivalents	220	324	288	384
Marketable securities	326	211
Restricted cash and cash equivalents	132	151
Finance and other receivables, net	3,735	3,730
Inventories	1,096	974
Investments in non-consolidated affiliates	63	60
Property and equipment, net	963	1,003
Goodwill	334	324
Deferred taxes, net	322	146
Other	427	467
Total assets	7,618	7,390
Liabilities and stockholders' equity (deficit)
Debt	2,982	3,220
Postretirement benefits liabilities	310	272
Amounts due to (from) affiliates	(3,738)	(3,140)
Other liabilities	1,935	1,369
Total liabilities	1,489	1,721
Redeemable equity securities	0	0
Stockholders' equity attributable to non-controlling interests	42	49
Total stockholders' equity (deficit) attributable to Navistar International Corporation	6,087	5,620
Total liabilities and stockholders' equity (deficit)	7,618	7,390
Eliminations and Other [Member]
Assets
Cash and cash equivalents	0	0	0	0
Marketable securities	0	0
Restricted cash and cash equivalents	0	0
Finance and other receivables, net	(3)	(15)
Inventories	(49)	(50)
Investments in non-consolidated affiliates	(4,666)	(2,241)
Property and equipment, net	(1)	(4)
Goodwill	0	0
Deferred taxes, net	(25)	(2)
Other	(1)	(1)
Total assets	(4,745)	(2,313)
Liabilities and stockholders' equity (deficit)
Debt	(229)	(229)
Postretirement benefits liabilities	0	0
Amounts due to (from) affiliates	83	87
Other liabilities	(794)	(145)
Total liabilities	(940)	(287)
Redeemable equity securities	0	0
Stockholders' equity attributable to non-controlling interests	(1)	0
Total stockholders' equity (deficit) attributable to Navistar International Corporation	(3,804)	(2,026)
Total liabilities and stockholders' equity (deficit)	$ (4,745)	$ (2,313)