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Loans and Accounts Receivable (Details 7) number in Thousands, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Accounts (in thousands) | 4 | 3 | 7 | 6
Aggregated Outstanding Balance Upon Payment Default | $ 23 | $ 12 | $ 44 | $ 23
Card Member Loans [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Accounts (in thousands) | 3 | 2 | 5 | 4
Aggregated Outstanding Balance Upon Payment Default | $ 18 | $ 9 | $ 36 | $ 18
Card Member Receivables [Member] |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Number of Accounts (in thousands) | 1 | 1 | 2 | 2
Aggregated Outstanding Balance Upon Payment Default | $ 5 | $ 3 | $ 8 | $ 5

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- Definition Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953682-111524 + Details
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