v2.4.0.6
Deposits (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Deposits [Abstract]      
Weighted average interest rates of interest bearing deposits outstanding 0.30% 0.40% 0.50%
Time deposits in denominations of $100,000 or more $ 1,718 $ 522