| **Condensed Consolidating Guarantor and Non-Guarantor (Tables)**                       | 6 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 Three Months Ended April 30, 2013    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedSales and revenues, net$— $1,493 $2,293 $(1,260) $2,526Costs of products sold— 1,622 1,987 (1,246) 2,363Restructuring charges— 4 2 — 6All other operating expenses (income)(48) 349 125 57 483Total costs and expenses(48) 1,975 2,114 (1,189) 2,852Equity in income (loss) of affiliates(422) 50 1 375 4Income (loss) before income taxes(374) (432) 180 304 (322)Income tax expense— (1) (21) — (22)Earnings (loss) from continuing operations(374) (433) 159 304 (344)Loss from discontinued operations, net of tax— — (21) — (21)Net income (loss)(374) (433) 138 304 (365)Less: Net income attributable to non-controlling interests— — 9 — 9Net income (loss) attributable to Navistar International Corporation$(374) $(433) $129 $304 $(374)Condensed Consolidating Statement of Operations         For the Six Months Ended April 30, 2013    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedSales and revenues, net$— $3,102 $4,551 $(2,490) $5,163Costs of products sold— 3,217 3,896 (2,464) 4,649Restructuring charges— 4 4 — 8All other operating expenses (income)(27) 580 317 45 915Total costs and expenses(27) 3,801 4,217 (2,419) 5,572Equity in income (loss) of affiliates(524) 104 (1) 424 3Income (loss) before income taxes(497) (595) 333 353 (406)Income tax expense— (12) (25) — (37)Earnings (loss) from continuing operations(497) (607) 308 353 (443)Loss from discontinued operations, net of tax— — (30) — (30)Net income (loss)(497) (607) 278 353 (473)Less: Net income attributable to non-controlling interests— — 24 — 24Net income (loss) attributable to Navistar International Corporation$(497) $(607) $254 $353 $(497)Condensed Consolidating Statement of Operations       For the Six Months Ended April 30, 2012    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedSales and revenues, net$— $4,134 $5,755 $(3,619) $6,270Costs of products sold— 4,200 4,931 (3,581) 5,550Restructuring charges— 19 — — 19Impairment of property and equipment and intangible assets— — 10 — 10All other operating expenses (income)39 691 459 (51) 1,138Total costs and expenses39 4,910 5,400 (3,632) 6,717Equity in income (loss) of affiliates(296) 366 (13) (68) (11)Income (loss) before income taxes(335) (410) 342 (55) (458)Income tax benefit10 14 172 3 199Earnings (loss) from continuing operations(325) (396) 514 (52) (259)Loss from discontinued operations, net of tax— — (43) — (43)Net income (loss)(325) (396) 471 (52) (302)Less: Net income attributable to non-controlling interests— — 23 — 23Net income (loss) attributable to Navistar International Corporation$(325) $(396) $448 $(52) $(325)Condensed Consolidating Statement of Operations         For the Three Months Ended April 30, 2012    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedSales and revenues, net$— $2,172 $2,974 $(1,885) $3,261Costs of products sold— 2,205 2,555 (1,860) 2,900Restructuring charges— 19 — — 19Impairment of intangible assets— — 10 — 10All other operating expenses (income)14 357 233 (25) 579Total costs and expenses14 2,581 2,798 (1,885) 3,508Equity in income (loss) of affiliates(96) 271 (6) (173) (4)Income (loss) before income taxes(110) (138) 170 (173) (251)Income tax benefit (expense)(62) (63) 211 37 123Earnings (loss) from continuing operations(172) (201) 381 (136) (128)Loss from discontinued operations, net of tax— — (34) — (34)Net income (loss)(172) (201) 347 (136) (162)Less: Net income attributable to non-controlling interests— — 10 — 10Net income (loss) attributable to Navistar International Corporation$(172) $(201) $337 $(136) $(172) |
| Schedule of Condensed Statement of Comprehensive Income [Table Text Block]             | Condensed Consolidating Statement of Comprehensive Income (Loss)      For the Six Months Ended April 30, 2013    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedNet income (loss) attributable to Navistar International Corporation$(497) $(607) $254 $353 $(497)Other comprehensive income (loss):         Foreign currency translation adjustment20 — 20 (20) 20Defined benefit plans (net of tax of $1, $-, $1, $(1), and $1 respectively)78 70 8 (78) 78Total other comprehensive income (loss)98 70 28 (98) 98Total comprehensive income (loss) attributable to Navistar International Corporation$(399) $(537) $282 $255 $(399)Condensed Consolidating Statement of Comprehensive Income (Loss)      For the Six Months Ended April 30, 2012    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedNet income (loss) attributable to Navistar International Corporation$(325) $(396) $448 $(52) $(325)Other comprehensive income (loss):         Foreign currency translation adjustment(78) — (78) 78 (78)Defined benefit plans (net of tax of $(24), $(23), $(1), $24, and $(24) respectively)40 36 5 (41) 40Total other comprehensive income (loss)(38) 36 (73) 37 (38)Total comprehensive income (loss) attributable to Navistar International Corporation$(363) $(360) $375 $(15) $(363)Condensed Consolidating Statement of Comprehensive Income (Loss)      For the Three Months Ended April 30, 2013    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedNet income (loss) attributable to Navistar International Corporation$(374) $(433) $129 $304 $(374)Other comprehensive income (loss):         Foreign currency translation adjustment3 — 2 (2) 3Defined benefit plans (net of tax of $1, $-, $1, $(1), and $1 respectively)40 35 5 (40) 40Total other comprehensive income (loss)43 35 7 (42) 43Total comprehensive income (loss) attributable to Navistar International Corporation$(331) $(398) $136 $262 $(331)Condensed Consolidating Statement of Comprehensive Income (Loss)      For the Three Months Ended April 30, 2012    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedNet income (loss) attributable to Navistar International Corporation$(172) $(201) $337 $(136) $(172)Other comprehensive income (loss):         Foreign currency translation adjustment(65) — (65) 65 (65)Defined benefit plans (net of tax of $(12), $(12), $-, $12, and $(12) respectively)17 16 2 (18) 17Total other comprehensive income (loss)(48) 16 (63) 47 (48)Total comprehensive income (loss) attributable to Navistar International Corporation$(220) $(185) $274 $(89) $(220)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Schedule of Condensed Balance Sheet [Table Text Block]                                 | Condensed 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) $9,102Condensed Consolidating Balance Sheet         As of April 30, 2013    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedAssets         Cash and cash equivalents$218 $36 $251 $— $505Marketable securities501 — 232 — 733Restricted cash25 7 85 — 117Finance and other receivables, net8 165 2,806 (12) 2,967Inventories— 725 784 (33) 1,476Investments in non-consolidated affiliates(5,971) 6,556 43 (576) 52Property and equipment, net— 930 849 (3) 1,776Goodwill— 66 209 — 275Deferred taxes, net9 10 237 — 256Other51 180 337 (2) 566Total assets$(5,159) $8,675 $5,833 $(626) $8,723Liabilities and stockholders’ equity (deficit)         Debt$1,934 $1,012 $1,843 $(8) $4,781Postretirement benefits liabilities— 3,073 351 — 3,424Amounts due to (from) affiliates(6,511) 10,396 (3,958) 73 —Other liabilities3,090 516 624 (74) 4,156Total liabilities(1,487) 14,997 (1,140) (9) 12,361Redeemable equity securities4 — — — 4Stockholders’ equity attributable to non-controlling interests— — 35 — 35Stockholders’ equity (deficit) attributable to Navistar International Corporation(3,676) (6,322) 6,938 (617) (3,677)Total liabilities and stockholders’ equity (deficit)$(5,159) $8,675 $5,833 $(626) $8,723                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| Schedule of Condensed Cash Flow Statement [Table Text Block]                           | Condensed Consolidating Statement of Cash Flows         For the Six Months Ended April 30, 2013    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedNet cash provided by (used in) operations$(648) $(288) $222 $671 $(43)Cash flows from investment activities         Net change in restricted cash and cash equivalents(1) — 45 — 44Net purchases of marketable securities(186) — (81) — (267)Capital expenditures and purchase of equipment leased to others— (304) (98) — (402)Other investing activities— 9 40 — 49Net cash used in investment activities(187) (295) (94) — (576)Cash flows from financing activities         Net borrowings (repayments) of debt327 301 (179) (671) (222)Other financing activities24 263 (23) — 264Net cash provided by (used in) financing activities351 564 (202) (671) 42Effect of exchange rate changes on cash and cash equivalents— — (5) — (5)Decrease in cash and cash equivalents(484) (19) (79) — (582)Cash and cash equivalents at beginning of the period702 55 330 — 1,087Cash and cash equivalents at end of the period$218 $36 $251 $— $505Condensed Consolidating Statement of Cash Flows         For the Six Months Ended April 30, 2012    Non-GuarantorSubsidiaries    (in millions)NIC Navistar,Inc.  Eliminationsand Other ConsolidatedNet cash provided by (used in) operations$(463) $(267) $248 $531 $49Cash flows from investment activities         Net change in restricted cash and cash equivalents6 2 174 — 182Net purchases in marketable securities374 — 7 — 381Capital expenditures and purchase of equipment leased to others— (115) (89) — (204)Other investing activities— (104) 70 — (34)Net cash provided by (used in) investment activities380 (217) 162 — 325Cash flows from financing activities         Net borrowings (repayments) of debt(50) 519 (429) (440) (400)Other financing activities19 — (38) (91) (110)Net cash provided by (used in) financing activities(31) 519 (467) (531) (510)Effect of exchange rate changes on cash and cash equivalents— — (3) — (3)Increase (decrease) in cash and cash equivalents(114) 35 (60) — (139)Cash and cash equivalents at beginning of the period226 13 300 — 539Cash and cash equivalents at end of the period$112 $48 $240 $— $400                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |

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