Accounts Receivable and Loans (Details 6) - U S Card Services [Member] pure in Thousands, $ in Millions |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2015
USD ($)
|
Dec. 31, 2014
USD ($)
|
Dec. 31, 2013
USD ($)
|
|
| Financing Receivable, Modifications [Line Items] | |||
| Number of Accounts (in thousands) | 11 | 11 | 21 |
| Aggregated Outstanding Balance Upon Payment Default | $ 57 | $ 64 | $ 166 |
| Card Member Loans [Member] | |||
| Financing Receivable, Modifications [Line Items] | |||
| Number of Accounts (in thousands) | 8 | 8 | 18 |
| Aggregated Outstanding Balance Upon Payment Default | $ 52 | $ 52 | $ 141 |
| Card Member Receivables [Member] | |||
| Financing Receivable, Modifications [Line Items] | |||
| Number of Accounts (in thousands) | 3 | 3 | 3 |
| Aggregated Outstanding Balance Upon Payment Default | $ 5 | $ 12 | $ 25 |