Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments (Details)

v2.4.0.8
Fair Value of Financial Instruments (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Carrying and fair values of financial instruments    
Deposits $ 1,133,650 $ 1,119,271
Long-term debt 254,785 249,674
Fair Value [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Commercial unfunded lending commitments (3,300) (3,700)
Carrying and fair values of financial instruments    
Loans 884,337 891,837
Loans held-for-sale 12,415 11,485
Deposits 1,133,878 1,119,512
Long-term debt 264,970 259,392
Carrying Value [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Commercial unfunded lending commitments (845) (830)
Carrying and fair values of financial instruments    
Loans 875,072 885,724
Loans held-for-sale 12,317 11,362
Deposits 1,133,650 1,119,271
Long-term debt 254,785 249,674
Level 2 [Member] | Fair Value [Member]
   
Carrying and fair values of financial instruments    
Loans 101,037 102,564
Loans held-for-sale 10,304 8,872
Deposits 1,133,878 1,119,512
Long-term debt 263,129 257,402
Level 3 [Member] | Fair Value [Member]
   
Carrying and fair values of financial instruments    
Loans 783,300 789,273
Loans held-for-sale 2,111 2,613
Deposits      
Long-term debt $ 1,841 $ 1,990