|
Significant Credit Concentrations (Details 1) (USD $)
In Billions, unless otherwise specified |
Dec. 31, 2014
|
Dec. 31, 2013
|
|---|---|---|
| Card Member loans and receivables exposure | ||
| On-balance sheet | $ 115 | $ 111 |
| Individuals [Member] | ||
| Card Member loans and receivables exposure | ||
| Unused lines-of-credit | 278 | 265 |
| U.S. [Member] | ||
| Card Member loans and receivables exposure | ||
| On-balance sheet | 94 | 89 |
| U.S. [Member] | Individuals [Member] | ||
| Card Member loans and receivables exposure | ||
| Unused lines-of-credit | 234 | 219 |
| Non-U.S. [Member] | ||
| Card Member loans and receivables exposure | ||
| On-balance sheet | 21 | 22 |
| Non-U.S. [Member] | Individuals [Member] | ||
| Card Member loans and receivables exposure | ||
| Unused lines-of-credit | $ 44 | $ 46 |