Securitization of Receivables - Summary of Certain Transactions with Securitization Trusts (Detail) - Securitization Trust [Member] - USD ($) $ in Millions |
6 Months Ended | |
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Jun. 30, 2015 |
Jun. 30, 2014 |
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| Fair Value Assumption, Date of Securitization or Asset-backed Financing Arrangement, Transferor's Continuing Involvement, Servicing Assets or Liabilities [Line Items] | ||
| Gains on securitizations | $ 4 | $ 4 |
| Purchase of receivables securitized | 96 | 111 |
| Proceeds from securitizations | 100 | 115 |
| Cash received from residual and servicing assets | 1 | 1 |
| Residual Assets [Member] | ||
| Fair Value Assumption, Date of Securitization or Asset-backed Financing Arrangement, Transferor's Continuing Involvement, Servicing Assets or Liabilities [Line Items] | ||
| Residual and servicing assets included in Other Assets | $ 10 | $ 6 |
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- Definition Cash received from residual and servicing assets. No definition available.
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- Definition Payments to Acquire Accounts Receivable Securitization No definition available.
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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. No definition available.
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- Definition A gain (loss) realized on a transfer, accounted for as a sale, of all or a portion of financial assets in which the transferor surrenders control and receives consideration other than a beneficial interest in the assets transferred. Reflects the amount of sales proceeds in excess of, or deficient from, the sum of the carrying amounts of transferred financial assets plus transaction costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Proceeds from securitizations of receivables treated as collateralized borrowings, which are classified as financing transactions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Fair value portion of interest continued to be held by a transferor after transferring financial assets to a third party. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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