Annual report pursuant to Section 13 and 15(d)

Fair Value of Financial Instruments (Details)

v2.4.0.6
Fair Value of Financial Instruments (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Carrying And Fair Values Of Financial Instruments [Abstract]    
Held-to-maturity debt securities, Amortized Cost $ 35,265 $ 427
Deposits 1,033,041 1,010,430
Long-term Debt 372,265 448,431
Carrying Value [Member]
   
Carrying And Fair Values Of Financial Instruments [Abstract]    
Held-to-maturity debt securities, Amortized Cost 35,265 427
Loans 870,520 876,739
Deposits 1,033,041 1,010,430
Long-term Debt 372,265 448,431
Fair Value [Member]
   
Carrying And Fair Values Of Financial Instruments [Abstract]    
Held-to-maturity debt securities, Amortized Cost 35,442 427
Loans 843,392 861,695
Deposits 1,033,248 1,010,460
Long-term Debt $ 343,211 $ 441,672