Variable Interest Entities	12 Months Ended
Mar. 31, 2012
Variable Interest Entities [Abstract]
Variable Interest Entities	Note 10 – Variable Interest Entities We use one or more special purpose entities that are considered VIEs to issue asset-backed securities to third party bank-sponsored asset-backed securitization vehicles and to investors in securitization transactions. The securities issued by these VIEs are backed by the cash flows from finance receivables that have been transferred to the VIEs. Although the transferred finance receivables have been legally sold to the VIEs, we hold variable interests in the VIEs that could potentially be significant to the VIEs. We determined that we are the primary beneficiary of the securitization trusts because (i) our servicing responsibilities for the transferred receivables give us the power to direct the activities that most significantly impact the performance of the VIEs, and (ii) our variable interests in the VIEs give us the obligation to absorb losses and the right to receive residual returns that could potentially be significant. The assets of the consolidated securitization VIEs consisted of $10,726 million and $11,546 million in gross retail finance receivables at March 31, 2012, and March 31, 2011, respectively. Net retail finance receivables, after consideration of deferred origination costs, unearned income and allowance for credit losses, were $10,530 million and $11,317 as of March 31, 2012 and March 31, 2011, respectively. In addition, TMCC held $682 million and $705 million in cash which represent collections from the underlying pledged receivables and certain reserve deposits held for the securitization trusts at March 31, 2012 and March 31, 2011, respectively. We classified this cash as restricted cash on our consolidated balance sheet. The liabilities of these consolidated VIEs consisted of $9,789 million and $10,626 million in secured debt, net of $381 million and $577 million of securities retained by TMCC, and $2 million and $3 million in other liabilities at March 31, 2012 and March 31, 2011, respectively. The assets of the VIEs and the restricted cash held by TMCC serve as the sole source of repayment for the asset-backed securities issued by these entities. Investors in the notes issued by the VIEs do not have recourse to TMCC's general credit, with the exception of customary representation and warranty repurchase provisions and indemnities. As the primary beneficiary of these entities, we are exposed to credit, interest rate, and prepayment risk from the receivables transferred to the VIEs. However, our exposure to these risks did not change as a result of the transfer of the assets to the VIEs. We may also be exposed to interest rate risk arising from the secured notes issued by the VIEs. In addition, we entered into interest rate swaps with certain special purpose entities that issue variable rate debt. Under the terms of these swaps, the securitization trusts are obligated to pay TMCC a fixed rate of interest on certain payment dates in exchange for receiving a floating rate of interest on amounts equal to the outstanding balance of the secured debt. This arrangement enables the securitization trusts to mitigate the interest rate risk inherent in issuing variable rate debt that is secured by fixed rate retail finance receivables. The transfers of the receivables to the special purpose entities in our securitizations are considered to be sales for legal purposes. However, the securitized assets and the related debt remain on our Consolidated Balance Sheet. We recognize financing revenue on the pledged receivables and interest expense on the secured debt issued by the trusts. We also maintain an allowance for credit losses on the pledged receivables to cover probable credit losses estimated using a methodology consistent with that used for our non-securitized retail loan portfolio. The interest rate swaps between TMCC and the special purpose entities are considered intercompany transactions and therefore are eliminated in our consolidated financial statements.

Variable Interest Entities

12 Months Ended

Mar. 31, 2012

Variable Interest Entities [Abstract]

Note 10 – Variable Interest Entities

We use one or more special purpose entities that are considered VIEs to issue asset-backed securities to third party bank-sponsored asset-backed securitization vehicles and to investors in securitization transactions. The securities issued by these VIEs are backed by the cash flows from finance receivables that have been transferred to the VIEs. Although the transferred finance receivables have been legally sold to the VIEs, we hold variable interests in the VIEs that could potentially be significant to the VIEs. We determined that we are the primary beneficiary of the securitization trusts because (i) our servicing responsibilities for the transferred receivables give us the power to direct the activities that most significantly impact the performance of the VIEs, and (ii) our variable interests in the VIEs give us the obligation to absorb losses and the right to receive residual returns that could potentially be significant.

The assets of the consolidated securitization VIEs consisted of $10,726 million and $11,546 million in gross retail finance receivables at March 31, 2012, and March 31, 2011, respectively. Net retail finance receivables, after consideration of deferred origination costs, unearned income and allowance for credit losses, were $10,530 million and $11,317 as of March 31, 2012 and March 31, 2011, respectively. In addition, TMCC held $682 million and $705 million in cash which represent collections from the underlying pledged receivables and certain reserve deposits held for the securitization trusts at March 31, 2012 and March 31, 2011, respectively. We classified this cash as restricted cash on our consolidated balance sheet. The liabilities of these consolidated VIEs consisted of $9,789 million and $10,626 million in secured debt, net of $381 million and $577 million of securities retained by TMCC, and $2 million and $3 million in other liabilities at March 31, 2012 and March 31, 2011, respectively. The assets of the VIEs and the restricted cash held by TMCC serve as the sole source of repayment for the asset-backed securities issued by these entities. Investors in the notes issued by the VIEs do not have recourse to TMCC's general credit, with the exception of customary representation and warranty repurchase provisions and indemnities.

As the primary beneficiary of these entities, we are exposed to credit, interest rate, and prepayment risk from the receivables transferred to the VIEs. However, our exposure to these risks did not change as a result of the transfer of the assets to the VIEs. We may also be exposed to interest rate risk arising from the secured notes issued by the VIEs.

In addition, we entered into interest rate swaps with certain special purpose entities that issue variable rate debt. Under the terms of these swaps, the securitization trusts are obligated to pay TMCC a fixed rate of interest on certain payment dates in exchange for receiving a floating rate of interest on amounts equal to the outstanding balance of the secured debt. This arrangement enables the securitization trusts to mitigate the interest rate risk inherent in issuing variable rate debt that is secured by fixed rate retail finance receivables.

The transfers of the receivables to the special purpose entities in our securitizations are considered to be sales for legal purposes. However, the securitized assets and the related debt remain on our Consolidated Balance Sheet. We recognize financing revenue on the pledged receivables and interest expense on the secured debt issued by the trusts. We also maintain an allowance for credit losses on the pledged receivables to cover probable credit losses estimated using a methodology consistent with that used for our non-securitized retail loan portfolio. The interest rate swaps between TMCC and the special purpose entities are considered intercompany transactions and therefore are eliminated in our consolidated financial statements.

- Definition

The entire disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide.

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