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Accounts Receivable and Loans (Details 6) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 Account | Sep. 30, 2013 Account | Sep. 30, 2014 Account | Sep. 30, 2013 Account
Accounts Receivable and Loans Textuals [Abstract] |  |  |  |
Difference between pre- and post-modification outstanding balances |  |  |  | $ 4
U S Card Services [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Accounts | 15,000 | 16,000 | 46,000 | 63,000
Aggregated Outstanding Balance | 124 | 140 | 390 | 561
Card Member Loans [Member] | U S Card Services [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Accounts | 11,000 | 12,000 | 35,000 | 47,000
Aggregated Outstanding Balance | 83 | 91 | 261 | 357
Average basis point reduction in interest rate by class of Card Member loans | 9.00% | 10.00% | 11.00% | 11.00%
Card Member Receivables [Member] | U S Card Services [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Accounts | 4,000 | 4,000 | 11,000 | 16,000
Aggregated Outstanding Balance | $ 41 | $ 49 | $ 129 | $ 204
Average payment term extension | 12 | 12 | 12 | 12

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- Definition Difference between pre-modification and post-modification amounts of investment in financing receivables modified by troubled debt restructurings. + References No definition available. + Details
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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953676-111524 + Details
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