| **Condensed Consolidating Guarantor and Non-Guarantor Financial Information - Statement of Operations (Details) (USD $)In Millions, unless otherwise specified**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | 3 Months Ended                                                                                     | 12 Months Ended |
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| Sales and revenues, net                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | $ 3,008us-gaap_Revenues                                                                            |                 | $ 2,844us-gaap_Revenues |  | $ 2,746us-gaap_Revenues |  | $ 2,208us-gaap_Revenues |  | $ 2,751us-gaap_Revenues |  | $ 2,861us-gaap_Revenues |  | $ 2,526us-gaap_Revenues |  | $ 2,637us-gaap_Revenues |  | $ 10,806us-gaap_Revenues | $ 10,775us-gaap_Revenues | $ 12,695us-gaap_Revenues |
| Costs of products sold                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 9,534us-gaap_CostOfGoodsSold | 9,761us-gaap_CostOfGoodsSold | 11,401us-gaap_CostOfGoodsSold |
| Restructuring charges                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 42us-gaap_RestructuringCharges | 25us-gaap_RestructuringCharges | 107us-gaap_RestructuringCharges |
| Asset impairment charges                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 183us-gaap_AssetImpairmentCharges | 97us-gaap_AssetImpairmentCharges | 16us-gaap_AssetImpairmentCharges |
| All other operating expenses (income)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 1,612us-gaap_OtherCostAndExpenseOperating | 1,877us-gaap_OtherCostAndExpenseOperating | 2,253us-gaap_OtherCostAndExpenseOperating |
| Total costs and expenses                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 11,371us-gaap_CostsAndExpenses | 11,760us-gaap_CostsAndExpenses | 13,777us-gaap_CostsAndExpenses |
| Equity in income (loss) of non-consolidated affiliates                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 9us-gaap_IncomeLossFromEquityMethodInvestments | 11us-gaap_IncomeLossFromEquityMethodInvestments | (29)us-gaap_IncomeLossFromEquityMethodInvestments |
| Income (loss) before income taxes                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (556)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | (974)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | (1,111)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest |
| Income tax expense                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (26)us-gaap_IncomeTaxExpenseBenefit | 171us-gaap_IncomeTaxExpenseBenefit | (1,780)us-gaap_IncomeTaxExpenseBenefit |
| Earnings (loss) from continuing operations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | (72)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | [1]             | (3)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | [1] | (298)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | [1] | (249)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | [1] | (153)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | [1] | (237)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | [1] | (353)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | [1] | (114)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | [1] | (582)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | (803)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | (2,891)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest |
| Income (loss) from discontinued operations, net of tax                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax                                              |                 | 1us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax |  | 1us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax |  | 1us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax |  | (1)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax |  | (10)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax |  | (21)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax |  | (9)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax |  | 3us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | (41)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | (71)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax |
| Net income (loss)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | (72)us-gaap_ProfitLoss                                                                             |                 | (2)us-gaap_ProfitLoss |  | (297)us-gaap_ProfitLoss |  | (248)us-gaap_ProfitLoss |  | (154)us-gaap_ProfitLoss |  | (247)us-gaap_ProfitLoss |  | (374)us-gaap_ProfitLoss |  | (123)us-gaap_ProfitLoss |  | (579)us-gaap_ProfitLoss | (844)us-gaap_ProfitLoss | (2,962)us-gaap_ProfitLoss |
| Less: Net income attributable to non-controlling interests                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 40us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | 54us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | 48us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
| Net income (loss) attributable to Navistar International Corporation                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (619)us-gaap_NetIncomeLoss | (898)us-gaap_NetIncomeLoss | (3,010)us-gaap_NetIncomeLoss |
| Parent Company [Member]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |
| Sales and revenues, net                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 0us-gaap_Revenues/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | 0us-gaap_Revenues/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | 0us-gaap_Revenues/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember |
| Costs of products sold                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 0us-gaap_CostOfGoodsSold/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | 0us-gaap_CostOfGoodsSold/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | 0us-gaap_CostOfGoodsSold/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember |
| Restructuring charges                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 0us-gaap_RestructuringCharges/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | 0us-gaap_RestructuringCharges/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | 0us-gaap_RestructuringCharges/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember |
| Asset impairment charges                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 0us-gaap_AssetImpairmentCharges/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | 0us-gaap_AssetImpairmentCharges/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | 0us-gaap_AssetImpairmentCharges/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember |
| All other operating expenses (income)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (48)us-gaap_OtherCostAndExpenseOperating/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | (208)us-gaap_OtherCostAndExpenseOperating/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | (249)us-gaap_OtherCostAndExpenseOperating/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember |
| Total costs and expenses                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (48)us-gaap_CostsAndExpenses/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | (208)us-gaap_CostsAndExpenses/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | (249)us-gaap_CostsAndExpenses/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember |
| Equity in income (loss) of non-consolidated affiliates                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (680)us-gaap_IncomeLossFromEquityMethodInvestments/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | (1,108)us-gaap_IncomeLossFromEquityMethodInvestments/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | (3,258)us-gaap_IncomeLossFromEquityMethodInvestments/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember |
| Income (loss) before income taxes                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (632)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | (900)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | (3,009)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember |
| Income tax expense                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 13us-gaap_IncomeTaxExpenseBenefit/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | 2us-gaap_IncomeTaxExpenseBenefit/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | (1)us-gaap_IncomeTaxExpenseBenefit/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember |
| Earnings (loss) from continuing operations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (619)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | (898)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | (3,010)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember |
| Income (loss) from discontinued operations, net of tax                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember |
| Net income (loss)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (619)us-gaap_ProfitLoss/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | (898)us-gaap_ProfitLoss/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | (3,010)us-gaap_ProfitLoss/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember |
| Less: Net income attributable to non-controlling interests                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | 0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | 0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember |
| Net income (loss) attributable to Navistar International Corporation                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (619)us-gaap_NetIncomeLoss/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | (898)us-gaap_NetIncomeLoss/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember | (3,010)us-gaap_NetIncomeLoss/ dei_LegalEntityAxis= us-gaap_ParentCompanyMember |
| Guarantor Subsidiaries [Member]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |
| Sales and revenues, net                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 7,269us-gaap_Revenues/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 6,426us-gaap_Revenues/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 7,924us-gaap_Revenues/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember |
| Costs of products sold                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 6,794us-gaap_CostOfGoodsSold/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 6,629us-gaap_CostOfGoodsSold/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 8,188us-gaap_CostOfGoodsSold/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember |
| Restructuring charges                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 8us-gaap_RestructuringCharges/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 15us-gaap_RestructuringCharges/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 86us-gaap_RestructuringCharges/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember |
| Asset impairment charges                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 16us-gaap_AssetImpairmentCharges/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 81us-gaap_AssetImpairmentCharges/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 2us-gaap_AssetImpairmentCharges/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember |
| All other operating expenses (income)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 1,003us-gaap_OtherCostAndExpenseOperating/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 1,180us-gaap_OtherCostAndExpenseOperating/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 1,297us-gaap_OtherCostAndExpenseOperating/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember |
| Total costs and expenses                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 7,821us-gaap_CostsAndExpenses/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 7,905us-gaap_CostsAndExpenses/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 9,573us-gaap_CostsAndExpenses/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember |
| Equity in income (loss) of non-consolidated affiliates                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (169)us-gaap_IncomeLossFromEquityMethodInvestments/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 161us-gaap_IncomeLossFromEquityMethodInvestments/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 536us-gaap_IncomeLossFromEquityMethodInvestments/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember |
| Income (loss) before income taxes                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (721)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | (1,318)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | (1,113)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember |
| Income tax expense                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 25us-gaap_IncomeTaxExpenseBenefit/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 244us-gaap_IncomeTaxExpenseBenefit/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | (1,987)us-gaap_IncomeTaxExpenseBenefit/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember |
| Earnings (loss) from continuing operations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (696)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | (1,074)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | (3,100)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember |
| Income (loss) from discontinued operations, net of tax                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember |
| Net income (loss)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (696)us-gaap_ProfitLoss/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | (1,074)us-gaap_ProfitLoss/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | (3,100)us-gaap_ProfitLoss/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember |
| Less: Net income attributable to non-controlling interests                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | 0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember |
| Net income (loss) attributable to Navistar International Corporation                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (696)us-gaap_NetIncomeLoss/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | (1,074)us-gaap_NetIncomeLoss/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember | (3,100)us-gaap_NetIncomeLoss/ dei_LegalEntityAxis= us-gaap_GuarantorSubsidiariesMember |
| Non-Guarantor Subsidiaries [Member]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |
| Sales and revenues, net                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 8,196us-gaap_Revenues/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 8,979us-gaap_Revenues/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 11,413us-gaap_Revenues/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember |
| Costs of products sold                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 7,337us-gaap_CostOfGoodsSold/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 7,720us-gaap_CostOfGoodsSold/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 9,798us-gaap_CostOfGoodsSold/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember |
| Restructuring charges                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 34us-gaap_RestructuringCharges/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 10us-gaap_RestructuringCharges/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 21us-gaap_RestructuringCharges/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember |
| Asset impairment charges                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 167us-gaap_AssetImpairmentCharges/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 16us-gaap_AssetImpairmentCharges/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 14us-gaap_AssetImpairmentCharges/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember |
| All other operating expenses (income)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 541us-gaap_OtherCostAndExpenseOperating/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 659us-gaap_OtherCostAndExpenseOperating/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 968us-gaap_OtherCostAndExpenseOperating/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember |
| Total costs and expenses                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 8,079us-gaap_CostsAndExpenses/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 8,405us-gaap_CostsAndExpenses/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 10,801us-gaap_CostsAndExpenses/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember |
| Equity in income (loss) of non-consolidated affiliates                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 5us-gaap_IncomeLossFromEquityMethodInvestments/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 4us-gaap_IncomeLossFromEquityMethodInvestments/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | (34)us-gaap_IncomeLossFromEquityMethodInvestments/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember |
| Income (loss) before income taxes                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 122us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 578us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 578us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember |
| Income tax expense                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (64)us-gaap_IncomeTaxExpenseBenefit/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | (75)us-gaap_IncomeTaxExpenseBenefit/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 209us-gaap_IncomeTaxExpenseBenefit/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember |
| Earnings (loss) from continuing operations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 58us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 503us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 787us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember |
| Income (loss) from discontinued operations, net of tax                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 3us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | (41)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | (71)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember |
| Net income (loss)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 61us-gaap_ProfitLoss/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 462us-gaap_ProfitLoss/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 716us-gaap_ProfitLoss/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember |
| Less: Net income attributable to non-controlling interests                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 40us-gaap_NetIncomeLossAttributableToNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 54us-gaap_NetIncomeLossAttributableToNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 48us-gaap_NetIncomeLossAttributableToNoncontrollingInterest/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember |
| Net income (loss) attributable to Navistar International Corporation                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 21us-gaap_NetIncomeLoss/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 408us-gaap_NetIncomeLoss/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember | 668us-gaap_NetIncomeLoss/ dei_LegalEntityAxis= us-gaap_NonGuarantorSubsidiariesMember |
| Consolidation, Eliminations [Member]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  |   |   |   |
| Sales and revenues, net                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (4,659)us-gaap_Revenues/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | (4,630)us-gaap_Revenues/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | (6,642)us-gaap_Revenues/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember |
| Costs of products sold                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (4,597)us-gaap_CostOfGoodsSold/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | (4,588)us-gaap_CostOfGoodsSold/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | (6,585)us-gaap_CostOfGoodsSold/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember |
| Restructuring charges                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 0us-gaap_RestructuringCharges/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 0us-gaap_RestructuringCharges/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 0us-gaap_RestructuringCharges/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember |
| Asset impairment charges                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 0us-gaap_AssetImpairmentCharges/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 0us-gaap_AssetImpairmentCharges/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 0us-gaap_AssetImpairmentCharges/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember |
| All other operating expenses (income)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 116us-gaap_OtherCostAndExpenseOperating/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 246us-gaap_OtherCostAndExpenseOperating/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 237us-gaap_OtherCostAndExpenseOperating/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember |
| Total costs and expenses                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | (4,481)us-gaap_CostsAndExpenses/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | (4,342)us-gaap_CostsAndExpenses/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | (6,348)us-gaap_CostsAndExpenses/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember |
| Equity in income (loss) of non-consolidated affiliates                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 853us-gaap_IncomeLossFromEquityMethodInvestments/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 954us-gaap_IncomeLossFromEquityMethodInvestments/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 2,727us-gaap_IncomeLossFromEquityMethodInvestments/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember |
| Income (loss) before income taxes                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 675us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 666us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 2,433us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember |
| Income tax expense                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 0us-gaap_IncomeTaxExpenseBenefit/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 0us-gaap_IncomeTaxExpenseBenefit/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | (1)us-gaap_IncomeTaxExpenseBenefit/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember |
| Earnings (loss) from continuing operations                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 675us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 666us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 2,432us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember |
| Income (loss) from discontinued operations, net of tax                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember |
| Net income (loss)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 675us-gaap_ProfitLoss/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 666us-gaap_ProfitLoss/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 2,432us-gaap_ProfitLoss/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember |
| Less: Net income attributable to non-controlling interests                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | 0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | 0us-gaap_NetIncomeLossAttributableToNoncontrollingInterest/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember |
| Net income (loss) attributable to Navistar International Corporation                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                                                                               |                 |   |  |   |  |   |  |   |  |   |  |   |  |   |  | $ 675us-gaap_NetIncomeLoss/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | $ 666us-gaap_NetIncomeLoss/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember | $ 2,432us-gaap_NetIncomeLoss/ us-gaap_ConsolidationItemsAxis= us-gaap_ConsolidationEliminationsMember |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [1]In the second quarter of 2014, the company recognized a non-cash charge of $149 million for the impairment of certain intangible assets of our Brazilian engine reporting unit. Due to the economic downturn in Brazil which resulted in a continued decline in actual and forecasted results, we tested the goodwill of our Brazilian engine reporting unit and trademark for potential impairment. As a result, we determined that the entire $142 million balance of goodwill and $7 million of trademark were impaired. In the fourth quarter of 2013, our North America Truck segment recorded a non-cash charge of $77 million to reflect impairment of goodwill as a result of changes in our organizational and reporting structures, which resulted in a change in certain of our reporting units. The impairment charges were included in Asset impairment charges. Also in the fourth quarter of 2013, the Company met the criteria necessary to apply the exception within the intraperiod tax allocation rules. As a result, the Company recorded an income tax benefit of $220 million, which was recorded in Income tax benefit (expense) related to continuing operations. |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Total costs related to goods produced and sold during the reporting period.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 2 -Article 5Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Total costs of sales and operating expenses for the period.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.
+ References
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| - Definition
This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items, and noncontrolling interest.
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| - Definition
Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.
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| - Definition
This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.
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| - Definition
Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
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| - Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
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| - Definition
Amount of Net Income (Loss) attributable to noncontrolling interest.
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| - Definition
The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.
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| - Definition
The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.
+ References
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| - Definition
Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).
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