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Loans and Accounts Receivable (Details 6) pure in Thousands, $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 USD ($) M bp | Mar. 31, 2018 USD ($) M bp
Financing Receivable, Modifications [Line Items] |  |
Number of Accounts (in thousands) | 19 | 12
Aggregated Outstanding Balance | $ 168 | $ 110
Card Member Loans [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Accounts (in thousands) | 17 | 11
Aggregated Outstanding Balance | $ 128 | $ 81
Average Interest Rate Reduction By Class Of Financial Instrument | bp | 13 | 11
Card Member Receivables [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of Accounts (in thousands) | 2 | 1
Aggregated Outstanding Balance | $ 40 | $ 29
Average payment term extension | M | 27 | 28

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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524 + Details
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