Condensed Consolidating Guarantor and Non-Guarantor Financial Information - Balance Sheet (Details) (USD $) In Millions, unless otherwise specified	Jul. 31, 2014	Oct. 31, 2013	Jul. 31, 2013	Oct. 31, 2012
Cash and Cash Equivalents, at Carrying Value	$ 547	$ 755	$ 425	$ 1,087
Marketable securities	618	830
Restricted Cash	121	91
Finance and other receivables, net	2,603	2,701
Inventories	1,462	1,210
Investments in non-consolidated affiliates	72	77
Property and equipment, net	1,657	1,741
Goodwill	38	184
Deferred Taxes Net	192	231
Intangible Assets Net And Other Assets	392	495
Total assets	7,702	8,315
Debt	5,204	5,085
Net liability recognized	2,529	2,652
Amounts due to (from) affiliates	0	0
Other Liabilities	4,015	4,179
Total liabilities	11,748	11,916
Redeemable equity securities	2	4
Stockholders’ equity attributable to non-controlling interests	34	44
Stockholders' Equity (deficit) Attributable to Navistar International Corporation	(4,082)	(3,649)
Total liabilities and stockholders’ deficit	7,702	8,315
Parent Company [Member]
Cash and Cash Equivalents, at Carrying Value	136	336
Marketable securities	266	581
Restricted Cash	18	23
Finance and other receivables, net	3	3
Inventories	0	0
Investments in non-consolidated affiliates	(6,526)	(6,123)
Property and equipment, net	0	0
Goodwill	0	0
Deferred Taxes Net	1	0
Intangible Assets Net And Other Assets	36	36
Total assets	(6,066)	(5,144)
Debt	2,119	2,125
Net liability recognized	0	0
Amounts due to (from) affiliates	(7,472)	(6,988)
Other Liabilities	3,367	3,362
Total liabilities	(1,986)	(1,501)
Redeemable equity securities	2	4
Stockholders’ equity attributable to non-controlling interests	0	0
Stockholders' Equity (deficit) Attributable to Navistar International Corporation	(4,082)	(3,647)
Total liabilities and stockholders’ deficit	(6,066)	(5,144)
Guarantor Subsidiaries [Member]
Cash and Cash Equivalents, at Carrying Value	38	72
Marketable securities	0	1
Restricted Cash	3	3
Finance and other receivables, net	125	148
Inventories	815	621
Investments in non-consolidated affiliates	6,450	6,600
Property and equipment, net	871	937
Goodwill	0	0
Deferred Taxes Net	13	13
Intangible Assets Net And Other Assets	148	156
Total assets	8,463	8,551
Debt	948	1,002
Net liability recognized	2,298	2,407
Amounts due to (from) affiliates	11,620	10,846
Other Liabilities	478	646
Total liabilities	15,344	14,901
Redeemable equity securities	0	0
Stockholders’ equity attributable to non-controlling interests	0	0
Stockholders' Equity (deficit) Attributable to Navistar International Corporation	(6,881)	(6,350)
Total liabilities and stockholders’ deficit	8,463	8,551
Non-Guarantor Subsidiaries [Member]
Cash and Cash Equivalents, at Carrying Value	373	347
Marketable securities	352	248
Restricted Cash	100	65
Finance and other receivables, net	2,490	2,561
Inventories	659	608
Investments in non-consolidated affiliates	68	73
Property and equipment, net	783	807
Goodwill	38	184
Deferred Taxes Net	178	219
Intangible Assets Net And Other Assets	211	304
Total assets	5,252	5,416
Debt	2,142	1,960
Net liability recognized	231	245
Amounts due to (from) affiliates	(4,292)	(3,932)
Other Liabilities	248	250
Total liabilities	(1,671)	(1,477)
Redeemable equity securities	0	0
Stockholders’ equity attributable to non-controlling interests	34	44
Stockholders' Equity (deficit) Attributable to Navistar International Corporation	6,889	6,849
Total liabilities and stockholders’ deficit	5,252	5,416
Consolidation, Eliminations [Member]
Cash and Cash Equivalents, at Carrying Value	0	0
Marketable securities	0	0
Restricted Cash	0	0
Finance and other receivables, net	(15)	(11)
Inventories	(12)	(19)
Investments in non-consolidated affiliates	80	(473)
Property and equipment, net	3	(3)
Goodwill	0	0
Deferred Taxes Net	0	(1)
Intangible Assets Net And Other Assets	(3)	(1)
Total assets	53	(508)
Debt	(5)	(2)
Net liability recognized	0	0
Amounts due to (from) affiliates	144	74
Other Liabilities	(78)	(79)
Total liabilities	61	(7)
Redeemable equity securities	0	0
Stockholders’ equity attributable to non-controlling interests	0	0
Stockholders' Equity (deficit) Attributable to Navistar International Corporation	(8)	(501)
Total liabilities and stockholders’ deficit	$ 53	$ (508)