| **Consolidated Statements of Operations (USD $)In Millions, except Per Share data, unless otherwise specified** | 3 Months Ended | 6 Months Ended |
|-----------------------------------------------------------------------------------------------------------------|----------------|----------------|
||
| **Sales and revenues**                                                                                          |           |           |   |   |
| Sales of manufactured products, net                                                                             | $ 2,487        | $ 3,218        | $ 5,085 | $ 6,183 |
| Finance Revenues                                                                                                | 39             | 43             | 78 | 87 |
| Sales and revenues, net                                                                                         | 2,526          | 3,261          | 5,163 | 6,270 |
| **Costs and expenses**                                                                                          |           |           |   |   |
| Costs of products sold                                                                                          | 2,363          | 2,900          | 4,649 | 5,550 |
| Restructuring charges                                                                                           | 6              | 19             | 8 | 19 |
| Impairment of intangible assets                                                                                 | 0              | 10             | 0 | 10 |
| Selling, general and administrative expenses                                                                    | 312            | 372            | 597 | 727 |
| Engineering and product development costs                                                                       | 100            | 132            | 211 | 267 |
| Interest expense                                                                                                | 90             | 62             | 164 | 123 |
| Other expense (income), net                                                                                     | (19)           | 13             | (57) | 21 |
| Total Costs and Expenses                                                                                        | 2,852          | 3,508          | 5,572 | 6,717 |
| Equity in income (loss) of non-consolidated affiliates                                                          | 4              | (4)            | 3 | (11) |
| Loss from continuing operations before income taxes                                                             | (322)          | (251)          | (406) | (458) |
| Income tax benefit (expense)                                                                                    | (22)           | 123            | (37) | 199 |
| Loss from continuing operations                                                                                 | (344)          | (128)          | (443) | (259) |
| Loss from discontinued operations, net of tax                                                                   | (21)           | (34)           | (30) | (43) |
| Net loss                                                                                                        | (365)          | (162)          | (473) | (302) |
| Less: Net income attributable to non-controlling interests                                                      | 9              | 10             | 24 | 23 |
| Net loss attributable to Navistar International Corporation                                                     | (374)          | (172)          | (497) | (325) |
| Loss from continuing operations, net of tax                                                                     | (353)          | (138)          | (467) | (282) |
| Loss from discontinued operations, net of tax                                                                   | $ (21)         | $ (34)         | $ (30) | $ (43) |
| **Earnings (loss) per share attributable to Navistar International Corporation:**                               |           |           |   |   |
| Basic: Loss from Continuing Operations (in dollars per share)                                                   | $ (4.39)       | $ (2.01)       | $ (5.82) | $ (4.07) |
| Basic: Loss from Discontinued Operations (in dollars per share)                                                 | $ (0.26)       | $ (0.49)       | $ (0.37) | $ (0.62) |
| Basic (in dollars per share)                                                                                    | $ (4.65)       | $ (2.50)       | $ (6.19) | $ (4.69) |
| Diluted: Loss from Continuing Operations (in dollars per share)                                                 | $ (4.39)       | $ (2.01)       | $ (5.82) | $ (4.07) |
| Diluted: Loss from Discontinued Operations (in dollars per share)                                               | $ (0.26)       | $ (0.49)       | $ (0.37) | $ (0.62) |
| Diluted (in dollars per share)                                                                                  | $ (4.65)       | $ (2.50)       | $ (6.19) | $ (4.69) |
| **Weighted average shares outstanding:**                                                                        |           |           |   |   |
| Basic (in shares)                                                                                               | 80.4           | 68.7           | 80.3 | 69.3 |
| Diluted (in shares)                                                                                             | 80.4           | 68.7           | 80.3 | 69.3 |

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| - Definition
Total costs related to goods produced and sold during the reporting period.
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Total costs of sales and operating expenses for the period.
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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
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The aggregate financial services revenue and operating interest income earned during the reporting period.
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Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests.
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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.
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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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The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.
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The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
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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
Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount 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
The amount of net income (loss) derived from discontinued operations during the period, net of related tax effect, per each share of common stock or unit outstanding during the reporting period.
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| - Definition
The amount of net income or loss derived from discontinued operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
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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
The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cost of borrowed funds accounted for as interest that was charged against earnings during the period.
+ References
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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.
+ References
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.
+ References
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| - Definition
The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.
+ References
No definition available.
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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
The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.
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| - Definition
Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.
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| - Definition
Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.
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| - Definition
Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.
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| - Definition
The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.
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| - Definition
The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
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| - Definition
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
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