| **Commitments and Contingencies - Narrative (Details) BRL in Millions**                                                                                                                                   |              |               | 1 Months Ended | 3 Months Ended  |               |        |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------|---------------|----------------|-----------------|---------------|--------|
||
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Available stand-by letters of credit and surety bonds                                                                                                                                                     |         |          |           | $ 88,000,000    |          |   |   |   |   |
| Purchase commitments                                                                                                                                                                                      |         |          |           | 30,000,000      |          |   |   |   |   |
| Long Term Purchase Commitment Cancellation Fees                                                                                                                                                           |         |          |           | 46,000,000      |          |   |   |   |   |
| Accrual for environmental loss contingencies                                                                                                                                                              |         |          |           | $ 20,000,000    |          |   |   |   |   |
| Sao Paulo Groundwater Notice [Member] | Sanctions [Member]                                                                                                                                                |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Damages sought, value                                                                                                                                                                                     |         |          | BRL 3          |            | $ 1,000,000   |   |   |   |   |
| International Chamber of Commerce [Member] | Penalties and Interest [Member]                                                                                                                              |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Damages sought, value                                                                                                                                                                                     |         |          |           |            | 21,000,000    |   |   |   |   |
| Navitrucks [Member] | Alleged Unfulfilled Promises and Injury to Reputation [Member]                                                                                                                      |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Damages sought, value                                                                                                                                                                                     |         |          |           |            | 41,000,000    |   |   |   |   |
| Damages from Product Defects [Member]                                                                                                                                                                     |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Notice of Violation, number | engine                                                                                                                                                                      |         |          |           |            |          |   |   |   | 7,749 |
| Damages from Product Defects [Member] | EPA [Member]                                                                                                                                                      |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Civil penalties sought, per violation                                                                                                                                                                     |         | $ 37,500      |           |            |          |   |   |   |   |
| G E Operating Agreement [Member]                                                                                                                                                                          |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Operating Agreement Excess Loss Percentage                                                                                                                                                                |         |          |           | 10.00%          |          |   |   |   |   |
| Loss Sharing Agreement, Percentage                                                                                                                                                                        |         |          |           | 9.50%           |          |   |   | 9.50% |   |
| Off Balance Sheet Finance Receivables                                                                                                                                                                     |         |          |           | $ 1,400,000,000 | 1,500,000,000 |   |   |   |   |
| Off Balance Sheet Finance Receivables Related Originations1                                                                                                                                               |         |          |           | 2,300,000,000   | 2,400,000,000 |   |   |   |   |
| Minimum [Member] | Damages from Product Defects [Member] | EPA [Member]                                                                                                                                   |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Civil penalties sought, per violation                                                                                                                                                                     |         | 2,000,000     |           |            |          |   |   |   |   |
| Maximum [Member] | Damages from Product Defects [Member] | EPA [Member]                                                                                                                                   |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Civil penalties sought, per violation                                                                                                                                                                     |         | $ 291,000,000 |           |            |          |   |   |   |   |
| G E Operating Agreement [Member]                                                                                                                                                                          |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Equipment leased to others                                                                                                                                                                                |         |          |           | 100,000,000     | 48,000,000    |   |   |   |   |
| Manufacturing Operations [Member] | Financed lease obligations [Member]                                                                                                                                   |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Long-term Debt                                                                                                                                                                                            |         |          |           | 107,000,000     | 52,000,000    |   |   |   |   |
| Manufacturing Operations [Member] | G E Operating Agreement [Member] | Financed lease obligations [Member]                                                                                                |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Long-term Debt                                                                                                                                                                                            |         |          |           | 107,000,000     | 51,000,000    |   |   |   |   |
| Pending Litigation [Member] | Disputes [Member]                                                                                                                                                           |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Damages sought, value                                                                                                                                                                                     |         |          |           |            | 50,000,000    |   |   |   |   |
| Pending Litigation [Member] | FATMA Notice, Trial [Member] | Penalties [Member]                                                                                                                           |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Damages sought, value                                                                                                                                                                                     |         |          |           |            | 1,000,000     | BRL 2  |   |   |   |
| IIAA Vs. Navitrucks [Member]                                                                                                                                                                              |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Gain Contingency, Unrecorded Amount                                                                                                                                                                       |         |          |           | 45,000,000      |          |   |   |   |   |
| IIAA Vs. Navitrucks [Member] | International Chamber of Commerce [Member] | Penalties and Interest [Member]                                                                                               |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Damages sought, value                                                                                                                                                                                     |         |          |           |            | $ 25,000,000  |   |   |   |   |
| Navitrucks Vs. IIAA [Member]                                                                                                                                                                              |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Loss Contingency, Estimate of Possible Loss                                                                                                                                                               |         |          |           | $ 48,000,000    |          |   |   |   |   |
| Polar Express School Bus and Lakeview Bus Lines v. Navistar, Inc and IC Bus LLC [Member] | Pending Litigation [Member] | Damages from Product Defects [Member]                                            |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Loss Contingency, Number of Buses | bus                                                                                                                                                                   | 40           |          |           |            |          |   |   |   |   |
| Loss Contingency, Damages Sought, Value, Compensatory Damages                                                                                                                                             | $ 7,000,000  |          |           |            |          |   |   |   |   |
| Loss Contingency, Damages Sought, Value, Punitive Damages                                                                                                                                                 | $ 50,000,000 |          |           |            |          |   |   |   |   |
| Brazil, Brazil Real | International Chamber of Commerce [Member] | Penalties and Interest [Member]                                                                                                        |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Damages sought, value | BRL                                                                                                                                                                               |         |          |           |            |          |   | BRL 64 |   |   |
| Brazil, Brazil Real | Navitrucks [Member] | Alleged Unfulfilled Promises and Injury to Reputation [Member]                                                                                                |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Damages sought, value | BRL                                                                                                                                                                               |         |          |           |            |          |   | BRL 128 |   |   |
| Brazil, Brazil Real | IIAA Vs. Navitrucks [Member]                                                                                                                                                        |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Gain Contingency, Unrecorded Amount | BRL                                                                                                                                                                 |         |          |           |            |          |   |   | BRL 139 |   |
| Brazil, Brazil Real | IIAA Vs. Navitrucks [Member] | International Chamber of Commerce [Member] | Penalties and Interest [Member]                                                                         |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Damages sought, value | BRL                                                                                                                                                                               |         |          |           |            |          | BRL 78 |   |   |   |
| Brazil, Brazil Real | Navitrucks Vs. IIAA [Member]                                                                                                                                                        |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Loss Contingency, Estimate of Possible Loss | BRL                                                                                                                                                         |         |          |           |            |          |   |   | BRL 148 |   |
| International Indústria de Motores da América do Sul Ltda [Member] | Other Cases Vs. International Indústria de Motores da América do Sul Ltda [Member] | Pending Litigation [Member] |         |          |           |            |          |   |   |   |   |
| **Loss Contingencies [Line Items]**                                                                                                                                                                       |         |          |           |            |          |   |   |   |   |
| Loss Contingency, Number of Truck Dealers | dealer                                                                                                                                                        |         |          |           | 2               |          |   |   |   |   |
| Loss Contingency, Number of Truck Fleet Owners | dealer                                                                                                                                                   |         |          |           | 2               |          |   |   |   |   |

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Long Term Purchase Commitment Cancellation Fees
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Loss Contingency, Damages Sought, Value, Compensatory Damages
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Loss Contingency, Damages Sought, Value, Punitive Damages
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Loss Contingency, Number of Buses
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Loss Contingency, Number of Truck Fleet Owners
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Loss Sharing Agreement, Percentage
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Notice of Violation, number of engines
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Off Balance Sheet Finance Receivables1
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Off Balance Sheet Finance Receivables Related Originations1
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Operating Agreement Excess Loss Percentage
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| - Definition
Total costs accrued as of the balance sheet date for environmental loss contingencies.
+ References
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| - Definition
The amount or range of possible amounts of gain that could be realized upon the resolution of a contingency.
+ References
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| - Definition
The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.
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| - Definition
Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.
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| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
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| - Definition
The value (monetary amount) of the award the plaintiff seeks in the legal matter.
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| - Definition
Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.
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| - Definition
Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.
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