Non-Interest Revenue and Expense Detail (Details 1) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Details Of Certain Statements Of Income Lines Details [Abstract] | |||
| Gain on sale of investment in Concur Technologies | $ 0 | $ 744,000,000 | $ 0 |
| Global Network Services partner revenues | 640,000,000 | 694,000,000 | 650,000,000 |
| Net realized gains on investment securities | 1,000,000 | 100,000,000 | 136,000,000 |
| Other | 1,392,000,000 | 1,451,000,000 | 1,488,000,000 |
| Total Other revenues | 2,033,000,000 | 2,989,000,000 | 2,274,000,000 |
| Gross realized losses on investment securities | $ 0 | $ 0 | $ 0 |