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Loans and Accounts Receivable (Details 7) pure in Thousands, $ in Millions | 3 Months Ended
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Mar. 31, 2019 USD ($) | Mar. 31, 2018 USD ($)
Financing Receivable, Modifications [Line Items] |  |
Number of Accounts (in thousands) | 3 | 3
Aggregated Outstanding Balance Upon Payment Default | $ 21 | $ 11
Card Member Loans [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Accounts (in thousands) | 2 | 2
Aggregated Outstanding Balance Upon Payment Default | $ 17 | $ 9
Card Member Receivables [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Accounts (in thousands) | 1 | 1
Aggregated Outstanding Balance Upon Payment Default | $ 4 | $ 2

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=84173941&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524 + Details
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