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Accounts Receivable and Loans (Details 5) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Financing Receivable, Impaired [Line Items] |  |  |  |
Interest income recognized | $ 15 | $ 15 | $ 46 | $ 47
Average balance of impaired loans | 987 | 1,375 | 1,139 | 1,461
U S Card Services [Member] | Card Member Loans [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Interest income recognized | 11 | 11 | 34 | 35
Average balance of impaired loans | 859 | 1,182 | 982 | 1,244
U S Card Services [Member] | Card Member Receivables [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Interest income recognized | 0 | 0 | 0 | 0
Average balance of impaired loans | 62 | 120 | 89 | 140
International Card Services [Member] | Card Member Loans [Member] |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |
Interest income recognized | 4 | 4 | 12 | 12
Average balance of impaired loans | $ 66 | $ 73 | $ 68 | $ 77

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- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5258-111524 + Details
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- Definition Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524 + Details
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