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Accounts Receivable and Loans (Details 6) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 Account | Jun. 30, 2013 Account | Jun. 30, 2014 Account | Jun. 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 | 31,000 | 47,000
Aggregated Outstanding Balance | 123 | 145 | 266 | 421
Card Member Loans [Member] | U S Card Services [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Accounts | 12,000 | 12,000 | 24,000 | 35,000
Aggregated Outstanding Balance | 82 | 94 | 178 | 267
Average basis point reduction in interest rate by class of Card Member loans | 11.00% | 11.00% | 12.00% | 12.00%
Card Member Receivables [Member] | U S Card Services [Member] |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |
Number of Accounts | 3,000 | 4,000 | 7,000 | 12,000
Aggregated Outstanding Balance | $ 41 | $ 51 | $ 88 | $ 154
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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- Definition Post-modification amount of investment in financing receivables 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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