|
Fair Values (Details) (USD $)
In Millions, unless otherwise specified |
Dec. 31, 2013
|
Dec. 31, 2012
|
|---|---|---|
| Investment securities: | ||
| Equity securities | $ 124 | $ 296 |
| Debt securities and other | 4,892 | 5,318 |
| Derivative assets | 701 | 942 |
| Total assets | 5,717 | 6,556 |
|
Level 1 [Member]
|
||
| Investment securities: | ||
| Equity securities | 124 | 296 |
| Debt securities and other | 320 | 338 |
| Derivative assets | 0 | 0 |
| Total assets | 444 | 634 |
|
Level 2 [Member]
|
||
| Investment securities: | ||
| Equity securities | 0 | 0 |
| Debt securities and other | 4,572 | 4,980 |
| Derivative assets | 701 | 942 |
| Total assets | 5,273 | 5,922 |
|
Level 3 [Member]
|
||
| Investment securities: | ||
| Total assets | $ 0 | $ 0 |