| **Condensed Consolidating Guarantor and Non-Guarantor (Tables)**                       | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    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| **Condensed Consolidating Gurantor and Non-Gurantor Financial Information [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   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| Schedule of Condensed Income Statement [Table Text Block]                              | Condensed Consolidating Statement of Operations         For the Nine Months Ended July 31, 2013    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedSales and revenues, net$— $4,792 $6,851 $(3,619) $8,024Costs of products sold— 4,886 5,892 (3,582) 7,196Restructuring charges— 5 9 — 14Asset impairment charges— 14 3 — 17All other operating expenses (income)1 875 520 24 1,420Total costs and expenses1 5,780 6,424 (3,558) 8,647Equity in income (loss) of affiliates(743) 117 2 630 6Income (loss) before income taxes(744) (871) 429 569 (617)Income tax expense— (14) (39) — (53)Earnings (loss) from continuing operations(744) (885) 390 569 (670)Loss from discontinued operations, net of tax— — (40) — (40)Net income (loss)(744) (885) 350 569 (710)Less: Net income attributable to non-controlling interests— — 34 — 34Net income (loss) attributable to Navistar International Corporation$(744) $(885) $316 $569 $(744)Condensed Consolidating Statement of Operations       For the Nine Months Ended July 31, 2012    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedSales and revenues, net$— $6,141 $8,623 $(5,248) $9,516Costs of products sold— 6,151 7,409 (5,210) 8,350Restructuring charges— 22 1 — 23Asset impairment charges— — 10 — 10All other operating expenses (income)57 1,020 664 (75) 1,666Total costs and expenses57 7,193 8,084 (5,285) 10,049Equity in income (loss) of affiliates(326) 382 (24) (53) (21)Income (loss) before income taxes(383) (670) 515 (16) (554)Income tax benefit (expense)142 243 (23) 25 387Earnings (loss) from continuing operations(241) (427) 492 9 (167)Loss from discontinued operations, net of tax— — (39) — (39)Net income (loss)(241) (427) 453 9 (206)Less: Net income attributable to non-controlling interests— — 35 — 35Net income (loss) attributable to Navistar International Corporation$(241) $(427) $418 $9 $(241)Condensed Consolidating Statement of Operations         For the Three Months Ended July 31, 2013    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedSales and revenues, net$— $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 $(247)Condensed Consolidating Statement of Operations         For the Three Months Ended July 31, 2012    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedSales and revenues, net$— $2,007 $2,868 $(1,629) $3,246Costs of products sold— 1,951 2,478 (1,629) 2,800Restructuring charges— 3 1 — 4Asset impairment charges— — — — —All other operating expenses (income)18 329 205 (24) 528Total costs and expenses18 2,283 2,684 (1,653) 3,332Equity in income (loss) of affiliates(30) 16 (11) 15 (10)Income (loss) before income taxes(48) (260) 173 39 (96)Income tax benefit (expense)132 229 (195) 22 188Earnings (loss) from continuing operations84 (31) (22) 61 92Income from discontinued operations, net of tax— — 4 — 4Net income (loss)84 (31) (18) 61 96Less: Net income attributable to non-controlling interests— — 12 — 12Net income (loss) attributable to Navistar International Corporation$84 $(31) $(30) $61 $84 |
| Schedule of Condensed Statement of Comprehensive Income [Table Text Block]             | Condensed Consolidating Statement of Comprehensive Income (Loss)      For the Nine Months Ended July 31, 2012    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedNet income (loss) attributable to Navistar International Corporation$(241) $(427) $418 $9 $(241)Other comprehensive income (loss):         Foreign currency translation adjustment(139) — (138) 138 (139)Defined benefit plans (net of tax of $(36), $(33), $(4), $37, and $(36) respectively)63 57 6 (63) 63Total other comprehensive income (loss)(76) 57 (132) 75 (76)Total comprehensive income (loss) attributable to Navistar International Corporation$(317) $(370) $286 $84 $(317)Condensed Consolidating Statement of Comprehensive Income (Loss)      For the Three Months Ended July 31, 2013    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedNet income (loss) attributable to Navistar International Corporation$(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 $(299)Condensed Consolidating Statement of Comprehensive Income (Loss)      For the Nine Months Ended July 31, 2013    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedNet income (loss) attributable to Navistar International Corporation$(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, 2012    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedNet income (loss) attributable to Navistar International Corporation$84 $(31) $(30) $61 $84Other comprehensive income (loss):         Foreign currency translation adjustment(61) — (60) 60 (61)Defined benefit plans (net of tax of $(13), $(10), $(3), $13, and $(13) respectively)23 21 1 (22) 23Total other comprehensive income (loss)(38) 21 (59) 38 (38)Total comprehensive income (loss) attributable to Navistar International Corporation$46 $(10) $(89) $99 $46                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| Schedule of Condensed Balance Sheet [Table Text Block]                                 | Condensed Consolidating Balance Sheet         As of July 31, 2013    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedAssets         Cash and cash equivalents$149 $46 $230 $— $425Marketable securities461 — 247 — 708Restricted cash24 6 140 — 170Finance and other receivables, net9 160 2,620 (11) 2,778Inventories— 673 689 (26) 1,336Investments in non-consolidated affiliates(6,242) 6,569 70 (317) 80Property and equipment, net— 913 804 (3) 1,714Goodwill— 66 189 — 255Deferred taxes, net9 6 233 1 249Other37 168 322 (1) 526Total assets$(5,553) $8,607 $5,544 $(357) $8,241Liabilities and stockholders’ equity (deficit)         Debt$1,941 $1,004 $1,780 $(1) $4,724Postretirement benefits liabilities— 3,034 343 — 3,377Amounts due to (from) affiliates(6,619) 10,623 (4,076) 72 —Other liabilities3,093 507 549 (76) 4,073Total liabilities(1,585) 15,168 (1,404) (5) 12,174Redeemable equity securities4 — — — 4Stockholders’ equity attributable to non-controlling interests— — 35 — 35Stockholders’ equity (deficit) attributable to Navistar International Corporation(3,972) (6,561) 6,913 (352) (3,972)Total liabilities and stockholders’ equity (deficit)$(5,553) $8,607 $5,544 $(357) $8,241Condensed Consolidating Balance Sheet         As of October 31, 2012    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedAssets         Cash and cash equivalents$702 $55 $330 $— $1,087Marketable securities314 — 152 — 466Restricted cash24 8 129 — 161Finance and other receivables, net5 128 2,859 — 2,992Inventories— 691 885 (39) 1,537Investments in non-consolidated affiliates(5,616) 6,454 54 (830) 62Property and equipment, net— 790 874 (4) 1,660Goodwill— — 280 — 280Deferred taxes, net9 11 243 — 263Other83 177 335 (1) 594Total assets$(4,479) $8,314 $6,141 $(874) $9,102Liabilities and stockholders’ equity (deficit)         Debt$1,617 $1,162 $1,997 $(5) $4,771Postretirement benefits liabilities— 3,144 367 — 3,511Amounts due to (from) affiliates(5,863) 9,522 (3,743) 84 —Other liabilities3,072 337 748 (77) 4,080Total liabilities(1,174) 14,165 (631) 2 12,362Redeemable equity securities5 — — — 5Stockholders’ equity attributable to non-controlling interest— — 45 — 45Stockholders’ equity (deficit) attributable to Navistar International Corporation(3,310) (5,851) 6,727 (876) (3,310)Total liabilities and stockholders’ equity (deficit)$(4,479) $8,314 $6,141 $(874) $9,102                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| Schedule of Condensed Cash Flow Statement [Table Text Block]                           | Condensed Consolidating Statement of Cash Flows         For the Nine Months Ended July 31, 2012    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedNet cash provided by (used in) operations$(330) $(362) $458 $580 $346Cash flows from investment activities         Net change in restricted cash and cash equivalents— 3 45 — 48Net purchases in marketable securities383 — 175 — 558Capital expenditures and purchase of equipment leased to others— (173) (126) — (299)Other investing activities— (117) 86 — (31)Net cash provided by (used in) investment activities383 (287) 180 — 276Cash flows from financing activities         Net borrowings (repayments) of debt(47) 691 (643) (488) (487)Other financing activities20 — (48) (92) (120)Net cash provided by (used in) financing activities(27) 691 (691) (580) (607)Effect of exchange rate changes on cash and cash equivalents— — (7) — (7)Increase (decrease) in cash and cash equivalents26 42 (60) — 8Cash and cash equivalents at beginning of the period226 13 300 — 539Cash and cash equivalents at end of the period$252 $55 $240 $— $547Condensed Consolidating Statement of Cash Flows         For the Nine Months Ended July 31, 2013    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedNet cash provided by (used in) operations$(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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