Quarterly report pursuant to Section 13 or 15(d)

Securities (Details 1)

v2.3.0.15
Securities (Details 1) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Dec. 31, 2010
Expected maturity distribution          
Due in One Year or Less $ 9,876   $ 9,876    
Due after One Year through Five Years 123,927   123,927    
Due after Five Years through Ten Years 85,469   85,469    
Due after Ten Years 104,995   104,995    
Total 317,424   317,424   336,498
Yield of available for sale debt securities 3.32% [1]   3.32% [1]    
Components of realized gains and losses on sales of debt securities          
Gross gains 745 990 2,200 2,838  
Gross losses (8) (107) (18) (1,184)  
Income tax expense attributable to realized net gains on sales on debt securities 273 327 807 612  
U.S. Treasury [Member]
          
Expected maturity distribution          
Total 56,480   56,480   46,576
Us Treasury And Agency Securities Member
          
Expected maturity distribution          
Total 59,905   59,905   49,413
Yield of available for sale debt securities 2.70% [1]   2.70% [1]    
Us Treasury And Agency Securities Member | Due in One Year or Less [Member]
          
Expected maturity distribution          
Due in One Year or Less 554   554    
Due in One Year or Less 552   552    
Yield of available for sale debt securities 4.90% [1]   4.90% [1]    
Us Treasury And Agency Securities Member | Due after One Year through Five Years [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 2,438   2,438    
Due after One Year through Five Years 2,377   2,377    
Yield of available for sale debt securities 1.70% [1]   1.70% [1]    
Us Treasury And Agency Securities Member | Due after Five Years through Ten Years [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 13,178   13,178    
Due after Five Years through Ten Years 12,675   12,675    
Yield of available for sale debt securities 2.40% [1]   2.40% [1]    
Us Treasury And Agency Securities Member | Due after Ten Years [Member]
          
Expected maturity distribution          
Due after Ten Years 43,861   43,861    
Due after Ten Years 44,301   44,301    
Yield of available for sale debt securities 2.80% [1]   2.80% [1]    
Due in One Year or Less [Member] | Agency [Member]
          
Expected maturity distribution          
Due in One Year or Less 90   90    
Yield of available for sale debt securities 3.50% [1]   3.50% [1]    
Due after One Year through Five Years [Member] | Agency [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 53,639   53,639    
Yield of available for sale debt securities 3.60% [1]   3.60% [1]    
Due after Five Years through Ten Years [Member] | Agency [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 47,509   47,509    
Yield of available for sale debt securities 3.90% [1]   3.90% [1]    
Due after Ten Years [Member] | Agency [Member]
          
Expected maturity distribution          
Due after Ten Years 53,770   53,770    
Yield of available for sale debt securities 3.40% [1]   3.40% [1]    
Agency [Member]
          
Expected maturity distribution          
Due in One Year or Less 92   92    
Due after One Year through Five Years 55,292   55,292    
Due after Five Years through Ten Years 49,723   49,723    
Due after Ten Years 54,972   54,972    
Total 155,008   155,008   190,409
Yield of available for sale debt securities 3.60% [1]   3.60% [1]    
Due in One Year or Less [Member] | Agency-collateralized mortgage obligations [Member]
          
Expected maturity distribution          
Due in One Year or Less 58   58    
Yield of available for sale debt securities 0.70% [1]   0.70% [1]    
Due after One Year through Five Years [Member] | Agency-collateralized mortgage obligations [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 36,243   36,243    
Yield of available for sale debt securities 2.30% [1]   2.30% [1]    
Due after Five Years through Ten Years [Member] | Agency-collateralized mortgage obligations [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 15,839   15,839    
Yield of available for sale debt securities 4.10% [1]   4.10% [1]    
Due after Ten Years [Member] | Agency-collateralized mortgage obligations [Member]
          
Expected maturity distribution          
Due after Ten Years 57   57    
Yield of available for sale debt securities 1.00% [1]   1.00% [1]    
Agency-collateralized mortgage obligations [Member]
          
Expected maturity distribution          
Due in One Year or Less 58   58    
Due after One Year through Five Years 36,625   36,625    
Due after Five Years through Ten Years 16,497   16,497    
Due after Ten Years 58   58    
Total 52,197   52,197   36,639
Yield of available for sale debt securities 2.80% [1]   2.80% [1]    
Due in One Year or Less [Member] | Non-agency residential [Member]
          
Expected maturity distribution          
Due in One Year or Less 3,573   3,573    
Yield of available for sale debt securities 4.50% [1]   4.50% [1]    
Due after One Year through Five Years [Member] | Non-agency residential [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 11,142   11,142    
Yield of available for sale debt securities 5.30% [1]   5.30% [1]    
Due after Five Years through Ten Years [Member] | Non-agency residential [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 2,184   2,184    
Yield of available for sale debt securities 5.20% [1]   5.20% [1]    
Due after Ten Years [Member] | Non-agency residential [Member]
          
Expected maturity distribution          
Due after Ten Years 808   808    
Yield of available for sale debt securities 5.20% [1]   5.20% [1]    
Non-agency residential [Member]
          
Expected maturity distribution          
Due in One Year or Less 3,562   3,562    
Due after One Year through Five Years 11,153   11,153    
Due after Five Years through Ten Years 2,115   2,115    
Due after Ten Years 764   764    
Total 17,707 [2]   17,707 [2]   23,458 [2]
Yield of available for sale debt securities 5.10% [1]   5.10% [1]    
Due in One Year or Less [Member] | Non-agency commercial [Member]
          
Expected maturity distribution          
Due in One Year or Less 449   449    
Yield of available for sale debt securities 4.30% [1]   4.30% [1]    
Due after One Year through Five Years [Member] | Non-agency commercial [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 5,239   5,239    
Yield of available for sale debt securities 6.60% [1]   6.60% [1]    
Due after Five Years through Ten Years [Member] | Non-agency commercial [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 66   66    
Yield of available for sale debt securities 6.90% [1]   6.90% [1]    
Due after Ten Years [Member] | Non-agency commercial [Member]
          
Expected maturity distribution          
Due after Ten Years 214   214    
Yield of available for sale debt securities 6.70% [1]   6.70% [1]    
Non-agency commercial [Member]
          
Expected maturity distribution          
Due in One Year or Less 451   451    
Due after One Year through Five Years 5,838   5,838    
Due after Five Years through Ten Years 68   68    
Due after Ten Years 242   242    
Total 5,968   5,968   6,167
Yield of available for sale debt securities 6.50% [1]   6.50% [1]    
Due in One Year or Less [Member] | Non-U.S. securities [Member]
          
Expected maturity distribution          
Due in One Year or Less 2,625   2,625    
Yield of available for sale debt securities 0.50% [1]   0.50% [1]    
Due after One Year through Five Years [Member] | Non-U.S. securities [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 2,109   2,109    
Yield of available for sale debt securities 4.90% [1]   4.90% [1]    
Due after Five Years through Ten Years [Member] | Non-U.S. securities [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 180   180    
Yield of available for sale debt securities 2.60% [1]   2.60% [1]    
Due after Ten Years [Member] | Non-U.S. securities [Member]
          
Expected maturity distribution          
Due after Ten Years 0   0    
Yield of available for sale debt securities 0.00% [1]   0.00% [1]    
Non-U.S. securities [Member]
          
Expected maturity distribution          
Due in One Year or Less 2,552   2,552    
Due after One Year through Five Years 2,226   2,226    
Due after Five Years through Ten Years 185   185    
Due after Ten Years 0   0    
Total 4,914   4,914   4,054
Yield of available for sale debt securities 4.70% [1]   4.70% [1]    
Due in One Year or Less [Member] | Corporate/Agency bonds [Member]
          
Expected maturity distribution          
Due in One Year or Less 255   255    
Yield of available for sale debt securities 3.80% [1]   3.80% [1]    
Due after One Year through Five Years [Member] | Corporate/Agency bonds [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 2,449   2,449    
Yield of available for sale debt securities 1.80% [1]   1.80% [1]    
Due after Five Years through Ten Years [Member] | Corporate/Agency bonds [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 1,125   1,125    
Yield of available for sale debt securities 2.50% [1]   2.50% [1]    
Due after Ten Years [Member] | Corporate/Agency bonds [Member]
          
Expected maturity distribution          
Due after Ten Years 153   153    
Yield of available for sale debt securities 1.00% [1]   1.00% [1]    
Corporate/Agency bonds [Member]
          
Expected maturity distribution          
Due in One Year or Less 258   258    
Due after One Year through Five Years 2,515   2,515    
Due after Five Years through Ten Years 1,192   1,192    
Due after Ten Years 151   151    
Total 3,982   3,982   5,157
Yield of available for sale debt securities 2.00% [1]   2.00% [1]    
Due in One Year or Less [Member] | Other Taxable Securities, Debt [Member]
          
Expected maturity distribution          
Due in One Year or Less 2,248   2,248    
Yield of available for sale debt securities 1.20% [1]   1.20% [1]    
Due after One Year through Five Years [Member] | Other Taxable Securities, Debt [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 6,444   6,444    
Yield of available for sale debt securities 1.20% [1]   1.20% [1]    
Due after Five Years through Ten Years [Member] | Other Taxable Securities, Debt [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 2,200   2,200    
Yield of available for sale debt securities 1.70% [1]   1.70% [1]    
Due after Ten Years [Member] | Other Taxable Securities, Debt [Member]
          
Expected maturity distribution          
Due after Ten Years 1,552   1,552    
Yield of available for sale debt securities 1.00% [1]   1.00% [1]    
Other Taxable Securities, Debt [Member]
          
Expected maturity distribution          
Due in One Year or Less 2,250   2,250    
Due after One Year through Five Years 6,931   6,931    
Due after Five Years through Ten Years 1,731   1,731    
Due after Ten Years 1,556   1,556    
Total 12,444   12,444   15,514
Yield of available for sale debt securities 1.50% [1]   1.50% [1]    
Due in One Year or Less [Member] | Total taxable securities [Member]
          
Expected maturity distribution          
Due in One Year or Less 9,850   9,850    
Yield of available for sale debt securities 2.64% [1]   2.64% [1]    
Due after One Year through Five Years [Member] | Total taxable securities [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 119,642   119,642    
Yield of available for sale debt securities 3.31% [1]   3.31% [1]    
Due after Five Years through Ten Years [Member] | Total taxable securities [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 81,778   81,778    
Yield of available for sale debt securities 3.66% [1]   3.66% [1]    
Due after Ten Years [Member] | Total taxable securities [Member]
          
Expected maturity distribution          
Due after Ten Years 100,855   100,855    
Yield of available for sale debt securities 3.12% [1]   3.12% [1]    
Total taxable securities [Member]
          
Expected maturity distribution          
Due in One Year or Less 9,777   9,777    
Due after One Year through Five Years 123,018   123,018    
Due after Five Years through Ten Years 84,689   84,689    
Due after Ten Years 101,604   101,604    
Total 312,125   312,125   330,811
Yield of available for sale debt securities 3.35% [1]   3.35% [1]    
Due in One Year or Less [Member] | Tax-exempt securities [Member]
          
Expected maturity distribution          
Due in One Year or Less 98   98    
Yield of available for sale debt securities 4.80% [1]   4.80% [1]    
Due after One Year through Five Years [Member] | Tax-exempt securities [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 915   915    
Yield of available for sale debt securities 4.50% [1]   4.50% [1]    
Due after Five Years through Ten Years [Member] | Tax-exempt securities [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 782   782    
Yield of available for sale debt securities 4.50% [1]   4.50% [1]    
Due after Ten Years [Member] | Tax-exempt securities [Member]
          
Expected maturity distribution          
Due after Ten Years 3,504   3,504    
Yield of available for sale debt securities 0.30% [1]   0.30% [1]    
Tax-exempt securities [Member]
          
Expected maturity distribution          
Due in One Year or Less 99   99    
Due after One Year through Five Years 909   909    
Due after Five Years through Ten Years 780   780    
Due after Ten Years 3,391   3,391    
Total 5,299   5,299   5,687
Yield of available for sale debt securities 1.73% [1]   1.73% [1]    
Federal National Mortgage Association [Member]
          
Expected maturity distribution          
Total 112,836   112,836   123,662
Government National Mortgage Association [Member]
          
Expected maturity distribution          
Total 92,696   92,696   72,863
Federal Home Loan Mortgage Corporation [Member]
          
Expected maturity distribution          
Total 27,822   27,822   30,523
Due in One Year or Less [Member]
          
Expected maturity distribution          
Due in One Year or Less 9,948   9,948    
Yield of available for sale debt securities 2.67% [1]   2.67% [1]    
Due after One Year through Five Years [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 120,557   120,557    
Yield of available for sale debt securities 3.32% [1]   3.32% [1]    
Due after Five Years through Ten Years [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 82,560   82,560    
Yield of available for sale debt securities 3.67% [1]   3.67% [1]    
Due after Ten Years [Member]
          
Expected maturity distribution          
Due after Ten Years $ 104,359   $ 104,359    
Yield of available for sale debt securities 3.02% [1]   3.02% [1]    
[1] Average yield is computed using the effective yield of each security at the end of the period, weighted based on the amortized cost of each security. The effective yield considers the contractual coupon, amortization of premiums and accretion of discounts and excludes the effect of related hedging derivatives.
[2] At September 30, 2011, includes approximately 89 percent prime bonds, nine percent Alt-A bonds and two percent subprime bonds. At December 31, 2010, includes approximately 90 percent prime bonds, eight percent Alt-A bonds and two percent subprime bonds.