| **Condensed Consolidating Guarantor and Non-Guarantor Financial Information (Tables)** | 3 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
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| **Condensed Consolidating Guarantor and Non-Guarantor [Abstract]**                     |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| Schedule of Condensed Income Statement [Table Text Block]                              | Condensed Consolidating Statement of Operations for the Three Months Ended January 31, 2015(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedSales and revenues, net$— $1,610 $1,768 $(957) $2,421Costs of products sold— 1,409 1,570 (934) 2,045Restructuring charges— 3 — — 3Asset impairment charges— 7 — — 7All other operating expenses (income)23 264 125 (18) 394Total costs and expenses23 1,683 1,695 (952) 2,449Equity in income (loss) of affiliates(19) 15 1 5 2Income (loss) before income taxes(42) (58) 74 — (26)Income tax expense— (1) (6) — (7)Earnings (loss) from continuing operations(42) (59) 68 — (33)Income from discontinued operations, net of tax— — — — —Net income (loss)(42) (59) 68 — (33)Less: Net income attributable to non-controlling interests— — 9 — 9Net income (loss) attributable to Navistar International Corporation$(42) $(59) $59 $— $(42)Condensed Consolidating Statement of Operations for the Three Months Ended January 31, 2014(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedSales and revenues, net$— $1,424 $1,729 $(945) $2,208Costs of products sold— 1,425 1,531 (942) 2,014Restructuring charges— 2 1 — 3Asset impairment charges— — 18 — 18All other operating expenses (income)36 241 159 (11) 425Total costs and expenses36 1,668 1,709 (953) 2,460Equity in income (loss) of affiliates(212) (11) (1) 224 —Income (loss) before income taxes(248) (255) 19 232 (252)Income tax benefit — 7 5 — 12Earnings (loss) from continuing operations(248) (248) 24 232 (240)Income from discontinued operations, net of tax— — 1 — 1Net income (loss)(248) (248) 25 232 (239)Less: Net income attributable to non-controlling interests— — 9 — 9Net income (loss) attributable to Navistar International Corporation$(248) $(248) $16 $232 $(248)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| Schedule of Condensed Statement of Comprehensive Income [Table Text Block]             | Condensed Consolidating Statement of Comprehensive Income (Loss) for the Three Months Ended January 31, 2015(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedNet income (loss) attributable to Navistar International Corporation$(42) $(59) $59 $— $(42)Other comprehensive income (loss):         Foreign currency translation adjustment(59) — 59 (59) (59)Unrealized gain on marketable securities— — — — —Defined benefit plans (net of tax of $(1), $0, $(1), $1 and, $(1), respectively)32 31 1 (32) 32Total other comprehensive income (loss)(27) 31 60 (91) (27)Total comprehensive income (loss) attributable to Navistar International Corporation$(69) $(28) $119 $(91) $(69)Condensed Consolidating Statement of Comprehensive Income (Loss) for the Three Months Ended January 31, 2014(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedNet income (loss) attributable to Navistar International Corporation$(248) $(248) $16 $232 $(248)Other comprehensive income (loss):         Foreign currency translation adjustment(62) — (62) 62 (62)Defined benefit plans (net of tax of $0 for all entities)25 25 — (25) 25Total other comprehensive income (loss)(37) 25 (62) 37 (37)Total comprehensive income (loss) attributable to Navistar International Corporation$(285) $(223) $(46) $269 $(285)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Schedule of Condensed Balance Sheet [Table Text Block]                                 | Condensed Consolidating Balance Sheet as of October 31, 2014(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedAssets         Cash and cash equivalents$101 $53 $343 $— $497Marketable securities379 — 226 — 605Restricted cash19 4 148 — 171Finance and other receivables, net— 124 2,504 (12) 2,616Inventories— 792 539 (12) 1,319Investments in non-consolidated affiliates(7,245) 6,410 71 837 73Property and equipment, net— 827 740 (5) 1,562Goodwill— — 38 — 38Deferred taxes, net5 9 185 1 200Other34 137 194 (3) 362Total assets$(6,707) $8,356 $4,988 $806 $7,443Liabilities and stockholders’ equity (deficit)         Debt$1,958 $937 $2,336 $(7) $5,224Postretirement benefits liabilities— 2,712 243 — 2,955Amounts due to (from) affiliates(7,618) 11,739 (4,267) 146 —Other liabilities3,605 370 (22) (71) 3,882Total liabilities(2,055) 15,758 (1,710) 68 12,061Redeemable equity securities2 — — — 2Stockholders’ equity attributable to non-controlling interest— — 34 — 34Stockholders’ equity (deficit) attributable to Navistar International Corporation(4,654) (7,402) 6,664 738 (4,654)Total liabilities and stockholders’ equity (deficit)$(6,707) $8,356 $4,988 $806 $7,443Condensed Consolidating Balance Sheet as of January 31, 2015(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedAssets         Cash and cash equivalents$185 $40 $395 $— $620Marketable securities100 — 75 — 175Restricted cash19 7 89 — 115Finance and other receivables, net6 140 2,301 (24) 2,423Inventories— 873 491 (12) 1,352Investments in non-consolidated affiliates(7,291) 6,423 64 871 67Property and equipment, net— 788 693 (7) 1,474Goodwill— — 38 — 38Deferred taxes, net5 9 159 — 173Other34 137 181 (4) 348Total assets$(6,942) $8,417 $4,486 $824 $6,785Liabilities and stockholders’ equity (deficit)         Debt$1,961 $910 $2,217 $(6) $5,082Postretirement benefits liabilities— 2,682 234 — 2,916Amounts due to (from) affiliates(7,780) 11,888 (4,172) 64 —Other liabilities3,596 258 (306) (73) 3,475Total liabilities(2,223) 15,738 (2,027) (15) 11,473Redeemable equity securities1 — — — 1Stockholders’ equity attributable to non-controlling interest— — 31 — 31Stockholders’ equity (deficit) attributable to Navistar International Corporation(4,720) (7,321) 6,482 839 (4,720)Total liabilities and stockholders’ equity (deficit)$(6,942) $8,417 $4,486 $824 $6,785 |
| Schedule of Condensed Cash Flow Statement [Table Text Block]                           | Condensed Consolidating Statement of Cash Flows for the Three Months Ended January 31, 2015(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedNet cash provided by (used in) operations$(194) $(46) $(112) $141 $(211)Cash flows from investment activities         Net change in restricted cash and cash equivalents— (3) 56 — 53Net sales of marketable securities278 — 152 — 430Capital expenditures and purchase of equipment leased to others— (8) (19) — (27)Other investing activities— — 1 — 1Net cash provided by (used in) investment activities278 (11) 190 — 457Cash flows from financing activities         Net borrowings (repayments) of debt— 34 (80) (61) (107)Other financing activities— 10 68 (80) (2)Net cash provided by (used in) financing activities— 44 (12) (141) (109)Effect of exchange rate changes on cash and cash equivalents— — (14) — (14)Increase (decrease) in cash and cash equivalents84 (13) 52 — 123Cash and cash equivalents at beginning of the period101 53 343 — 497Cash and cash equivalents at end of the period$185 $40 $395 $— $620Condensed Consolidating Statement of Cash Flows for the Three Months Ended January 31, 2014(in millions)NIC Navistar,Inc. Non-GuarantorSubsidiaries Eliminationsand Other ConsolidatedNet cash provided by (used in) operations$(446) $(970) $368 $955 $(93)Cash flows from investment activities         Net change in restricted cash and cash equivalents6 (1) (29) — (24)Net purchases of marketable securities264 — (64) — 200Capital expenditures and purchase of equipment leased to others— (18) (52) — (70)Other investing activities— 1 7 — 8Net cash provided by (used in) investment activities270 (18) (138) — 114Cash flows from financing activities         Net borrowings (repayments) of debt1 936 (204) (955) (222)Other financing activities16 20 (20) — 16Net cash provided by (used in) financing activities17 956 (224) (955) (206)Effect of exchange rate changes on cash and cash equivalents— — (21) — (21)Decrease in cash and cash equivalents(159) (32) (15) — (206)Cash and cash equivalents at beginning of the period336 72 347 — 755Cash and cash equivalents at end of the period$177 $40 $332 $— $549                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |

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