| **Commitments and Contingencies (Details) (USD $)**                                                            | 12 Months Ended |
|----------------------------------------------------------------------------------------------------------------|-----------------|
||
| **Commitment:**                                                                                                |            |   |   |
| Credit facilities commitments with vehicle and industrial equipment dealers                                    | $ 1,295,000,000 | $ 1,106,000,000 |   |
| Minimum lease commitments                                                                                      | 62,000,000      | 74,000,000 |   |
| Total commitments                                                                                              | 1,357,000,000   | 1,180,000,000 |   |
| **Guarantor Obligations [Line Items]**                                                                         |            |   |   |
| Guarantees of affiliate pollution control and solid waste disposal bonds                                       | 100,000,000     | 100,000,000 |   |
| Minimum lease commitments                                                                                      | 62,000,000      | 74,000,000 |   |
| Total commitments and guarantees                                                                               | 1,457,000,000   | 1,280,000,000 |   |
| **Future minimum lease payments under non-cancelable operating leases**                                        |            |   |   |
| 2015                                                                                                           | 19,000,000      |   |   |
| 2016                                                                                                           | 18,000,000      |   |   |
| 2017                                                                                                           | 13,000,000      |   |   |
| 2018                                                                                                           | 8,000,000       |   |   |
| 2019                                                                                                           | 3,000,000       |   |   |
| Thereafter                                                                                                     | 1,000,000       |   |   |
| Total                                                                                                          | 62,000,000      | 74,000,000 |   |
| TMS [Member]                                                                                                   |            |   |   |
| **Commitment:**                                                                                                |            |   |   |
| Minimum lease commitments                                                                                      | 30,000,000      | 37,000,000 |   |
| **Guarantor Obligations [Line Items]**                                                                         |            |   |   |
| Rental expense payments to affiliates                                                                          | 25,000,000      | 22,000,000 | 23,000,000 |
| 15-year lease agreement between TMCC and TMS                                                                   | 15 years        |   |   |
| Minimum lease commitments                                                                                      | 30,000,000      | 37,000,000 |   |
| **Future minimum lease payments under non-cancelable operating leases**                                        |            |   |   |
| Total                                                                                                          | 30,000,000      | 37,000,000 |   |
| Affiliate Pollution Control and Solid Waste Disposal Bonds [Member] | TMCC Affiliates [Member]                 |            |   |   |
| **Guarantor Obligations [Line Items]**                                                                         |            |   |   |
| Guarantees of affiliate pollution control and solid waste disposal bonds                                       | 100,000,000     |   |   |
| Guaranty Fee                                                                                                   | 78,000          |   |   |
| Affiliate Pollution Control and Solid Waste Disposal Bonds [Member] | 2028 [Member] | TMCC Affiliates [Member] |            |   |   |
| **Guarantor Obligations [Line Items]**                                                                         |            |   |   |
| Guarantees of affiliate pollution control and solid waste disposal bonds                                       | 20,000,000      |   |   |
| Affiliate Pollution Control and Solid Waste Disposal Bonds [Member] | 2029 [Member] | TMCC Affiliates [Member] |            |   |   |
| **Guarantor Obligations [Line Items]**                                                                         |            |   |   |
| Guarantees of affiliate pollution control and solid waste disposal bonds                                       | 50,000,000      |   |   |
| Affiliate Pollution Control and Solid Waste Disposal Bonds [Member] | 2030 [Member] | TMCC Affiliates [Member] |            |   |   |
| **Guarantor Obligations [Line Items]**                                                                         |            |   |   |
| Guarantees of affiliate pollution control and solid waste disposal bonds                                       | 10,000,000      |   |   |
| Affiliate Pollution Control and Solid Waste Disposal Bonds [Member] | 2031 [Member] | TMCC Affiliates [Member] |            |   |   |
| **Guarantor Obligations [Line Items]**                                                                         |            |   |   |
| Guarantees of affiliate pollution control and solid waste disposal bonds                                       | 10,000,000      |   |   |
| Affiliate Pollution Control and Solid Waste Disposal Bonds [Member] | 2032 [Member] | TMCC Affiliates [Member] |            |   |   |
| **Guarantor Obligations [Line Items]**                                                                         |            |   |   |
| Guarantees of affiliate pollution control and solid waste disposal bonds                                       | $ 10,000,000    |   |   |

| X                                                                                                                                                                                                                                                |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of commitments the company entered into.
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| X                                                                                                                                                                                                                                                                       |
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| X                                                                                                                                                                                                                                                                                       |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
An operating lease agreement between the registrant and an affiliated party.
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
This item represents the portion of monthly guaranty fees collected representing the interest imputed and recognized under the prospective interest method on the present value of the contractually stipulated guarantee payments at inception of the contract.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.
+ References
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Represents the current and noncurrent portions of a debt security issued by a state, certain agencies or authorities, a local government, or development corporation to finance the construction of air- or water-pollution control facilities or sewage or solid waste disposal facilities pursuant to federal law. The bonds are backed by the credit of the beneficiary of the financing rather than the credit of the issuer.
+ References
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.
+ References
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| - Definition
Amount of required minimum rental payments maturing in the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.
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| - Definition
Amount of required minimum rental payments maturing in the forth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.
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| - Definition
Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.
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| - Definition
Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.
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| - Definition
Amount of required minimum rental payments maturing after the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.
+ References
No definition available.
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