|
Reserves For Losses (Details 3) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
|---|---|---|---|
| Card Member Loans And Related Reserves Evaluated Separately And Collectively For Impairment [Abstract] | |||
| Card Member loans evaluated separately for impairment | $ 378 | $ 633 | $ 744 |
| Reserves on Card Member loans evaluated separately for impairment | 84 | 153 | 176 |
| Card Member loans evaluated collectively for impairment | 66,860 | 64,596 | 61,877 |
| Reserves on Card Member loans evaluated collectively for impairment | $ 1,177 | $ 1,318 | $ 1,698 |