| The weighted average interest rate of domestic and foreign time deposits (including certificates of deposits, individual retirement accounts and open accounts) in denominations of $100,000 or more, with maturities of three months through six months. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Weighted Average Interest Rate of Time Deposits, $100,000 or More, Three Months Through Six Months | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |