Quarterly report pursuant to Section 13 or 15(d)

Outstanding Loans and Leases - Home Loans Impaired Loans (Details)

v2.4.0.6
Outstanding Loans and Leases - Home Loans Impaired Loans (Details) (Home Loans [Member], USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2011
Financing Receivable, Impaired [Line Items]          
Real Estate Acquired Through Foreclosure $ 1,100   $ 1,100   $ 2,000
Residential Mortgage [Member]
          
Financing Receivable, Impaired [Line Items]          
Unpaid Principal Balance 24,676   24,676   23,203
Carrying Value 20,316   20,316   19,287
Related Allowance 1,309   1,309   1,295
Average Carrying Value 19,995 15,255 19,744 14,317  
Interest Income Recognized 180 [1] 139 [1] 351 [1] 263 [1]  
Home Equity [Member]
          
Financing Receivable, Impaired [Line Items]          
Unpaid Principal Balance 3,217   3,217   3,298
Carrying Value 1,654   1,654   1,776
Related Allowance 553   553   622
Average Carrying Value 1,690 1,858 1,726 1,822  
Interest Income Recognized 23 [1] 13 [1] 41 [1] 25 [1]  
Discontinued real estate [Member]
          
Financing Receivable, Impaired [Line Items]          
Unpaid Principal Balance 603   603   634
Carrying Value 367   367   399
Related Allowance 28   28   29
Average Carrying Value 372 397 378 397  
Interest Income Recognized 4 [1] 4 [1] 8 [1] 7 [1]  
Impaired Financing Receivable with No Related Allowance [Domain] | Residential Mortgage [Member]
          
Financing Receivable, Impaired [Line Items]          
Unpaid Principal Balance 11,926   11,926   10,907
Carrying Value 8,865   8,865   8,168
Average Carrying Value 8,669 5,427 8,570 5,527  
Interest Income Recognized 74 [1] 62 [1] 147 [1] 116 [1]  
Impaired Financing Receivable with No Related Allowance [Domain] | Home Equity [Member]
          
Financing Receivable, Impaired [Line Items]          
Unpaid Principal Balance 1,780   1,780   1,747
Carrying Value 486   486   479
Average Carrying Value 485 419 496 452  
Interest Income Recognized 10 [1] 5 [1] 19 [1] 10 [1]  
Impaired Financing Receivable with No Related Allowance [Domain] | Discontinued real estate [Member]
          
Financing Receivable, Impaired [Line Items]          
Unpaid Principal Balance 408   408   421
Carrying Value 223   223   240
Average Carrying Value 224 216 228 222  
Interest Income Recognized 2 [1] 2 [1] 4 [1] 4 [1]  
Impaired Financing Receivable with Related Allowance [Domain] | Residential Mortgage [Member]
          
Financing Receivable, Impaired [Line Items]          
Unpaid Principal Balance 12,750   12,750   12,296
Carrying Value 11,451   11,451   11,119
Related Allowance 1,309   1,309   1,295
Average Carrying Value 11,326 9,828 11,174 8,790  
Interest Income Recognized 106 [1] 77 [1] 204 [1] 147 [1]  
Impaired Financing Receivable with Related Allowance [Domain] | Home Equity [Member]
          
Financing Receivable, Impaired [Line Items]          
Unpaid Principal Balance 1,437   1,437   1,551
Carrying Value 1,168   1,168   1,297
Related Allowance 553   553   622
Average Carrying Value 1,205 1,439 1,230 1,370  
Interest Income Recognized 13 [1] 8 [1] 22 [1] 15 [1]  
Impaired Financing Receivable with Related Allowance [Domain] | Discontinued real estate [Member]
          
Financing Receivable, Impaired [Line Items]          
Unpaid Principal Balance 195   195   213
Carrying Value 144   144   159
Related Allowance 28   28   29
Average Carrying Value 148 181 150 175  
Interest Income Recognized $ 2 [1] $ 2 [1] $ 4 [1] $ 3 [1]  
[1] Interest income recognized includes interest accrued and collected on the outstanding balances of accruing impaired loans as well as interest cash collections on nonaccruing impaired loans for which the principal is considered collectible.