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Securitization of Receivables - Schedule of Fair Values of Retained Interests, Discount Rates Used in Valuing Interests (Parenthetical) (Detail)
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Jun. 30, 2013
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Dec. 31, 2012
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Servicing [Member]
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| Fair Value, Concentration of Risk, Financial Statement Captions [Line Items] | ||
| Change in discount rate | 5.00% | 5.00% |
| Change in discount rate | 10.00% | 10.00% |
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Residual Assets [Member]
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| Fair Value, Concentration of Risk, Financial Statement Captions [Line Items] | ||
| Change in discount rate | 5.00% | 5.00% |
| Change in discount rate | 10.00% | 10.00% |
| X | ||||||||||
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- Definition
Percentage Of Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of Five Percent Adverse Change In Discount Rate No definition available.
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| X | ||||||||||
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- Definition
Percentage Of Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of Ten Percent Adverse Change In Discount Rate No definition available.
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| X | ||||||||||
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- Details
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