Condensed Consolidating Guarantor and Non-Guarantor Financial Information - Balance Sheet (Details) - USD ($) $ in Millions	Apr. 30, 2016	Oct. 31, 2015	Apr. 30, 2015	Oct. 31, 2014
Cash and cash equivalents	$ 589	$ 912	$ 583	$ 497
Marketable securities	228	159
Restricted cash	139	121
Finance and other receivables, net	2,144	2,437
Inventories, net	1,220	1,135
Investments in non-consolidated affiliates	66	66
Property and equipment, net	1,281	1,345
Goodwill	38	38
Deferred taxes, net	164	164
Other	319	315
Total assets	6,188	6,692
Debt	5,225	5,298
Postretirement benefits liabilities	3,037	3,088
Amounts due to (from) affiliates	0	0
Other liabilities	3,047	3,466
Total liabilities	11,309	11,852
Stockholders’ equity attributable to non-controlling interests	7	7
Stockholders’ equity (deficit) attributable to Navistar International Corporation	(5,128)	(5,167)
Total liabilities and stockholders’ deficit	6,188	6,692
Parent Company [Member]
Cash and cash equivalents	228	456
Marketable securities	47	112
Restricted cash	16	16
Finance and other receivables, net	3	1
Inventories, net	0	0
Investments in non-consolidated affiliates	(7,585)	(7,679)
Property and equipment, net	0	0
Goodwill	0	0
Deferred taxes, net	0	7
Other	33	33
Total assets	(7,258)	(7,054)
Debt	1,979	1,971
Postretirement benefits liabilities	0	0
Amounts due to (from) affiliates	(7,820)	(7,574)
Other liabilities	3,711	3,716
Total liabilities	(2,130)	(1,887)
Stockholders’ equity attributable to non-controlling interests	0	0
Stockholders’ equity (deficit) attributable to Navistar International Corporation	(5,128)	(5,167)
Total liabilities and stockholders’ deficit	(7,258)	(7,054)
Guarantor Subsidiaries [Member]
Cash and cash equivalents	24	81
Marketable securities	0	0
Restricted cash	5	7
Finance and other receivables, net	101	99
Inventories, net	812	809
Investments in non-consolidated affiliates	6,215	6,204
Property and equipment, net	691	737
Goodwill	0	0
Deferred taxes, net	15	20
Other	125	128
Total assets	7,988	8,085
Debt	1,141	1,180
Postretirement benefits liabilities	2,839	2,909
Amounts due to (from) affiliates	10,584	10,280
Other liabilities	1	207
Total liabilities	14,565	14,576
Stockholders’ equity attributable to non-controlling interests	0	0
Stockholders’ equity (deficit) attributable to Navistar International Corporation	(6,577)	(6,491)
Total liabilities and stockholders’ deficit	7,988	8,085
Non-Guarantor Subsidiaries [Member]
Cash and cash equivalents	337	375
Marketable securities	181	47
Restricted cash	118	98
Finance and other receivables, net	2,145	2,440
Inventories, net	421	342
Investments in non-consolidated affiliates	63	64
Property and equipment, net	597	616
Goodwill	38	38
Deferred taxes, net	149	137
Other	162	155
Total assets	4,211	4,312
Debt	2,108	2,151
Postretirement benefits liabilities	198	179
Amounts due to (from) affiliates	(2,936)	(2,879)
Other liabilities	(595)	(388)
Total liabilities	(1,225)	(937)
Stockholders’ equity attributable to non-controlling interests	7	7
Stockholders’ equity (deficit) attributable to Navistar International Corporation	5,429	5,242
Total liabilities and stockholders’ deficit	4,211	4,312
Consolidation, Eliminations [Member]
Cash and cash equivalents	0	0
Marketable securities	0	0
Restricted cash	0	0
Finance and other receivables, net	(105)	(103)
Inventories, net	(13)	(16)
Investments in non-consolidated affiliates	1,373	1,477
Property and equipment, net	(7)	(8)
Goodwill	0	0
Deferred taxes, net	0	0
Other	(1)	(1)
Total assets	1,247	1,349
Debt	(3)	(4)
Postretirement benefits liabilities	0	0
Amounts due to (from) affiliates	172	173
Other liabilities	(70)	(69)
Total liabilities	99	100
Stockholders’ equity attributable to non-controlling interests	0	0
Stockholders’ equity (deficit) attributable to Navistar International Corporation	1,148	1,249
Total liabilities and stockholders’ deficit	$ 1,247	$ 1,349
Manufacturing Operations [Member] | Notes Payable to Banks [Member] | Eight Point Two Five Percent Senior Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage	8.25%