v2.4.0.6
Loans and Allowance for Credit Losses, Loans by Loan to Value Ratio, Consumer (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Loans by Loan to Value, Excluding Purchased Credit Impaired Loans [Abstract]    
Purchased Credit Impaired Loans, Carrying Value $ 35,534 $ 36,719
Loans 766,521 769,631
Residential Mortgage [Member]
   
Loans by Loan to Value, Excluding Purchased Credit Impaired Loans [Abstract]    
Purchased Credit Impaired Loans, Carrying Value 29,280 29,952
Loans 312,058 314,885
Residential Mortgage [Member] | Loans Excluding Purchased Credit-Impaired Loans [Member]
   
Loans by Loan to Value, Excluding Purchased Credit Impaired Loans [Abstract]    
0-60% 57,209 59,170
60.01-80% 63,674 62,553
80.01-100% 55,951 57,054
100.01-120% 36,476 36,945
Greater than 120% 36,308 37,234
No LTV/CLTV Available 5,257 5,422
Government insured/guaranteed loans 27,903 26,555
Loans, excluding Purchased Credit Impaired Loans 282,778 284,933
Real estate 1-4 family first mortgage [Member]
   
Loans by Loan to Value, Excluding Purchased Credit Impaired Loans [Abstract]    
Purchased Credit Impaired Loans, Carrying Value 29,082 29,746
Loans 228,885 228,894
Real estate 1-4 family first mortgage [Member] | Loans Excluding Purchased Credit-Impaired Loans [Member]
   
Loans by Loan to Value, Excluding Purchased Credit Impaired Loans [Abstract]    
0-60% 45,258 46,476
60.01-80% 48,688 46,831
80.01-100% 36,237 36,764
100.01-120% 20,930 21,116
Greater than 120% 18,019 18,608
No LTV/CLTV Available 2,768 2,798
Government insured/guaranteed loans 27,903 26,555
Loans, excluding Purchased Credit Impaired Loans 199,803 199,148
Real estate 1-4 family junior lien mortgage [Member]
   
Loans by Loan to Value, Excluding Purchased Credit Impaired Loans [Abstract]    
Purchased Credit Impaired Loans, Carrying Value 198 206
Loans 83,173 85,991
Real estate 1-4 family junior lien mortgage [Member] | Loans Excluding Purchased Credit-Impaired Loans [Member]
   
Loans by Loan to Value, Excluding Purchased Credit Impaired Loans [Abstract]    
0-60% 11,951 12,694
60.01-80% 14,986 15,722
80.01-100% 19,714 20,290
100.01-120% 15,546 15,829
Greater than 120% 18,289 18,626
No LTV/CLTV Available 2,489 2,624
Government insured/guaranteed loans 0 0
Loans, excluding Purchased Credit Impaired Loans $ 82,975 $ 85,785