| **Condensed Consolidating Guarantor and Non-Guarantor Financial Information (Tables)** | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                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| **Condensed Consolidating Guarantor and Non-Guarantor [Abstract]**                     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   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| Schedule of Condensed Income Statement [Table Text Block]                              | Condensed Consolidating Statement of Operations for the Three Months Ended July 31, 2014(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedSales and revenues, net$— $1,962 $2,181 $(1,299) $2,844Costs of products sold— 1,761 1,938 (1,282) 2,417Restructuring charges— (1) 17 — 16Asset impairment charges— 13 (11) 2 4All other operating expenses (income)17 246 141 (16) 388Total costs and expenses17 2,019 2,085 (1,296) 2,825Equity in income (loss) of affiliates15 17 1 (31) 2Income (loss) before income taxes(2) (40) 97 (34) 21Income tax expense— (2) (12) — (14)Earnings (loss) from continuing operations(2) (42) 85 (34) 7Income from discontinued operations, net of tax— — 1 — 1Net income (loss)(2) (42) 86 (34) 8Less: Net income attributable to non-controlling interests— — 10 — 10Net income (loss) attributable to Navistar International Corporation$(2) $(42) $76 $(34) $(2)Condensed Consolidating Statement of Operations for the Nine Months Ended July 31, 2013(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedSales and revenues, net$— $4,792 $6,851 $(3,619) $8,024Costs of products sold— 4,886 5,892 (3,582) 7,196Restructuring charges— 5 9 — 14Asset impairment charges— 14 3 — 17All other operating expenses1 875 520 24 1,420Total costs and expenses1 5,780 6,424 (3,558) 8,647Equity in income (loss) of affiliates(743) 117 2 630 6Income (loss) before income taxes(744) (871) 429 569 (617)Income tax expense— (14) (39) — (53)Earnings (loss) from continuing operations(744) (885) 390 569 (670)Loss from discontinued operations, net of tax— — (40) — (40)Net income (loss)(744) (885) 350 569 (710)Less: Net income attributable to non-controlling interests— — 34 — 34Net income (loss) attributable to Navistar International Corporation$(744) $(885) $316 $569 $(744)Condensed Consolidating Statement of Operations for the Nine Months Ended July 31, 2014(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedSales and revenues, net$— $5,279 $5,971 $(3,452) $7,798Costs of products sold— 4,983 5,331 (3,415) 6,899Restructuring charges— 9 18 — 27Asset impairment charges— 13 160 — 173All other operating expenses94 760 389 (44) 1,199Total costs and expenses94 5,765 5,898 (3,459) 8,298Equity in income (loss) of affiliates(466) (135) 2 604 5Income (loss) before income taxes(560) (621) 75 611 (495)Income tax benefit (expense)13 (3) (35) — (25)Earnings (loss) from continuing operations(547) (624) 40 611 (520)Income from discontinued operations, net of tax— — 3 — 3Net income (loss)(547) (624) 43 611 (517)Less: Net income attributable to non-controlling interests— — 30 — 30Net income (loss) attributable to Navistar International Corporation$(547) $(624) $13 $611 $(547)Condensed Consolidating Statement of Operations for the Three Months Ended July 31, 2013(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedSales and revenues, net$— $1,690 $2,300 $(1,129) $2,861Costs of products sold— 1,669 1,996 (1,118) 2,547Restructuring charges— 1 5 — 6Asset impairment charges— 14 3 — 17All other operating expenses (income)28 295 203 (21) 505Total costs and expenses28 1,979 2,207 (1,139) 3,075Equity in income (loss) of affiliates(219) 13 3 206 3Income (loss) before income taxes(247) (276) 96 216 (211)Income tax expense— (2) (14) — (16)Earnings (loss) from continuing operations(247) (278) 82 216 (227)Loss from discontinued operations, net of tax— — (10) — (10)Net income (loss)(247) (278) 72 216 (237)Less: Net income attributable to non-controlling interests— — 10 — 10Net income (loss) attributable to Navistar International Corporation$(247) $(278) $62 $216 $(247) |
| Schedule of Condensed Statement of Comprehensive Income [Table Text Block]             | Condensed Consolidating Statement of Comprehensive Income (Loss) for the Nine Months Ended July 31, 2014(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedNet income (loss) attributable to Navistar International Corporation$(547) $(624) $13 $611 $(547)Other comprehensive income (loss):         Foreign currency translation adjustment(17) — (17) 17 (17)Defined benefit plans (net of tax of $(4), $0, $(4), $4, and, $(4), respectively)83 73 10 (83) 83Total other comprehensive income (loss)66 73 (7) (66) 66Total comprehensive income (loss) attributable to Navistar International Corporation$(481) $(551) $6 $545 $(481)Condensed Consolidating Statement of Comprehensive Income (Loss) for the Nine Months Ended July 31, 2013(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedNet income (loss) attributable to Navistar International Corporation$(744) $(885) $316 $569 $(744)Other comprehensive income (loss):         Foreign currency translation adjustment(71) — (71) 71 (71)Defined benefit plans (net of tax of $2, $0, $2, $(2), and, $2, respectively)117 105 12 (117) 117Total other comprehensive income (loss)46 105 (59) (46) 46Total comprehensive income (loss) attributable to Navistar International Corporation$(698) $(780) $257 $523 $(698)Condensed Consolidating Statement of Comprehensive Income (Loss) for the Three Months Ended July 31, 2013(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedNet income (loss) attributable to Navistar International Corporation$(247) $(278) $62 $216 $(247)Other comprehensive income (loss):         Foreign currency translation adjustment(91) — (91) 91 (91)Defined benefit plans (net of tax of $1, $0, $1, $(1) and, $1, respectively)39 35 4 (39) 39Total other comprehensive income (loss)(52) 35 (87) 52 (52)Total comprehensive income (loss) attributable to Navistar International Corporation$(299) $(243) $(25) $268 $(299)Condensed Consolidating Statement of Comprehensive Income (Loss) for the Three Months Ended July 31, 2014(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedNet income (loss) attributable to Navistar International Corporation$(2) $(42) $76 $(34) $(2)Other comprehensive income (loss):         Foreign currency translation adjustment(3) — (3) 3 (3)Defined benefit plans (net of tax of$(3),$0,$(3), $3, and, $(3), respectively)33 23 10 (33) 33Total other comprehensive income (loss)30 23 7 (30) 30Total comprehensive income (loss) attributable to Navistar International Corporation$28 $(19) $83 $(64) $28                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| Schedule of Condensed Balance Sheet [Table Text Block]                                 | Condensed Consolidating Balance Sheet as of October 31, 2013(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedAssets         Cash and cash equivalents$336 $72 $347 $— $755Marketable securities581 1 248 — 830Restricted cash23 3 65 — 91Finance and other receivables, net3 148 2,561 (11) 2,701Inventories— 621 608 (19) 1,210Investments in non-consolidated affiliates(6,123) 6,600 73 (473) 77Property and equipment, net— 937 807 (3) 1,741Goodwill— — 184 — 184Deferred taxes, net— 13 219 (1) 231Other36 156 304 (1) 495Total assets$(5,144) $8,551 $5,416 $(508) $8,315Liabilities and stockholders’ equity (deficit)         Debt$2,125 $1,002 $1,960 $(2) $5,085Postretirement benefits liabilities— 2,407 245 — 2,652Amounts due to (from) affiliates(6,988) 10,846 (3,932) 74 —Other liabilities3,362 646 250 (79) 4,179Total liabilities(1,501) 14,901 (1,477) (7) 11,916Redeemable equity securities4 — — — 4Stockholders’ equity attributable to non-controlling interest— — 44 — 44Stockholders’ equity (deficit) attributable to Navistar International Corporation(3,647) (6,350) 6,849 (501) (3,649)Total liabilities and stockholders’ equity (deficit)$(5,144) $8,551 $5,416 $(508) $8,315Condensed Consolidating Balance Sheet as of July 31, 2014(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedAssets         Cash and cash equivalents$136 $38 $373 $— $547Marketable securities266 — 352 — 618Restricted cash18 3 100 — 121Finance and other receivables, net3 125 2,490 (15) 2,603Inventories— 815 659 (12) 1,462Investments in non-consolidated affiliates(6,526) 6,450 68 80 72Property and equipment, net— 871 783 3 1,657Goodwill— — 38 — 38Deferred taxes, net1 13 178 — 192Other36 148 211 (3) 392Total assets$(6,066) $8,463 $5,252 $53 $7,702Liabilities and stockholders’ equity (deficit)         Debt$2,119 $948 $2,142 $(5) $5,204Postretirement benefits liabilities— 2,298 231 — 2,529Amounts due to (from) affiliates(7,472) 11,620 (4,292) 144 —Other liabilities3,367 478 248 (78) 4,015Total liabilities(1,986) 15,344 (1,671) 61 11,748Redeemable equity securities2 — — — 2Stockholders’ equity attributable to non-controlling interest— — 34 — 34Stockholders’ equity (deficit) attributable to Navistar International Corporation(4,082) (6,881) 6,889 (8) (4,082)Total liabilities and stockholders’ equity (deficit)$(6,066) $8,463 $5,252 $53 $7,702                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Schedule of Condensed Cash Flow Statement [Table Text Block]                           | Condensed Consolidating Statement of Cash Flows for the Nine Months Ended July 31, 2014(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedNet cash provided by (used in) operations$(528) $(1,078) $156 $1,106 $(344)Cash flows from investment activities         Net change in restricted cash and cash equivalents6 — (36) — (30)Net sales of marketable securities315 — (103) — 212Capital expenditures and purchase of equipment leased to others— (89) (125) — (214)Other investing activities— 22 24 — 46Net cash provided by (used in) investment activities321 (67) (240) — 14Cash flows from financing activities         Net borrowings (repayments) of debt(11) 1,067 192 (1,136) 112Other financing activities18 44 (70) 30 22Net cash provided by (used in) financing activities7 1,111 122 (1,106) 134Effect of exchange rate changes on cash and cash equivalents— — (12) — (12)Increase (decrease) in cash and cash equivalents(200) (34) 26 — (208)Cash and cash equivalents at beginning of the period336 72 347 — 755Cash and cash equivalents at end of the period$136 $38 $373 $— $547Condensed Consolidating Statement of Cash Flows for the Nine Months Ended July 31, 2013(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedNet cash provided by (used in) operations$(771) $(639) $382 $1,062 $34Cash flows from investment activities         Net change in restricted cash and cash equivalents(1) 2 (10) — (9)Net purchases of marketable securities(147) — (95) — (242)Capital expenditures and purchase of equipment leased to others— (347) (140) — (487)Other investing activities— 10 37 — 47Net cash used in investment activities(148) (335) (208) — (691)Cash flows from financing activities         Net borrowings (repayments) of debt340 688 (220) (1,062) (254)Other financing activities26 277 (35) — 268Net cash provided by (used in) financing activities366 965 (255) (1,062) 14Effect of exchange rate changes on cash and cash equivalents— — (19) — (19)Decrease in cash and cash equivalents(553) (9) (100) — (662)Cash and cash equivalents at beginning of the period702 55 330 — 1,087Cash and cash equivalents at end of the period$149 $46 $230 $— $425                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |

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