|
Significant Credit Concentrations (Details) (USD $)
In Billions, unless otherwise specified |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Maximum Credit Exposure by Category | ||
| On-balance sheet | $ 141 | $ 141 |
|
Individuals [Member]
|
||
| Maximum Credit Exposure by Category | ||
| On-balance sheet | 98 | 95 |
| Unused lines-of-credit | 265 | 253 |
|
Financial Institutions [Member]
|
||
| Maximum Credit Exposure by Category | ||
| On-balance sheet | 22 | 25 |
|
United States Government And Agencies [Member]
|
||
| Maximum Credit Exposure by Category | ||
| On-balance sheet | 4 | 5 |
|
Other Concentration [Member]
|
||
| Maximum Credit Exposure by Category | ||
| On-balance sheet | $ 17 | $ 16 |