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Accounts Receivable and Loans (Details 7) - U S Card Services [Member] Account in Thousands, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 USD ($) Account | Jun. 30, 2014 USD ($) Account | Jun. 30, 2015 USD ($) Account | Jun. 30, 2014 USD ($) Account
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Accounts | 4 | 3 | 7 | 6
Aggregated Outstanding Balance Upon Payment Default | $ | $ 16 | $ 31 | $ 27 | $ 58
Card Member Loans [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Accounts | 3 | 2 | 5 | 4
Aggregated Outstanding Balance Upon Payment Default | $ | $ 15 | $ 20 | $ 25 | $ 40
Card Member Receivables [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Accounts | 1 | 1 | 2 | 2
Aggregated Outstanding Balance Upon Payment Default | $ | $ 1 | $ 11 | $ 2 | $ 18

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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. + References No definition available. + Details
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- Definition Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953682-111524 + Details
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- Definition Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953682-111524 + Details
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