Quarterly report pursuant to Section 13 or 15(d)

Securities (Details 1)

 v2.3.0.11
Securities (Details 1) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Dec. 31, 2010
Amortized cost and fair value of the Corporation's investment          
Amortized Cost - Available-for-Sale Debt Securities $ 328,339   $ 328,339   $ 336,498
Amortized Cost - Available-for-Sale Debt Securities, Total 8,536   8,536   8,650
Fair value of available-for-sale(AFS) debt securities         337,627
Fair value of available-for-sale debt securities, Total 18,962   18,962   19,265
Expected maturity distribution          
Due in One Year or Less 4,960   4,960    
Due after One Year through Five Years 109,400   109,400    
Due after Five Years through Ten Years 74,919   74,919    
Due after Ten Years 141,592   141,592    
Total - Available-for-sale debt securities, Fair Value 330,871   330,871    
Amortized Cost - Available-for-Sale Debt Securities 328,339   328,339   336,498
Yield of available for sale debt securities 3.83%   3.83%    
Components of realized gains and losses on sales of debt securities          
Gross gains 901 942 1,455 1,848  
Gross losses (2) (905) (10) (1,077)  
Net gains on sales of debt securities 899 37 1,445 771  
Income tax expense attributable to realized net gains on sales on debt securities 333 14 535 285  
Reported Basis [Member]
          
Amortized cost and fair value of the Corporation's investment          
Fair value of available-for-sale(AFS) debt securities 330,871   330,871   337,627
U.S. Treasury [Member]
          
Amortized cost and fair value of the Corporation's investment          
Amortized Cost - Available-for-Sale Debt Securities 46,961   46,961   46,576
Fair value of available-for-sale(AFS) debt securities 46,174   46,174   46,081
Expected maturity distribution          
Amortized Cost - Available-for-Sale Debt Securities 46,961   46,961   46,576
Us Treasury And Agency Securities Member
          
Amortized cost and fair value of the Corporation's investment          
Amortized Cost - Available-for-Sale Debt Securities 49,874   49,874   49,413
Fair value of available-for-sale(AFS) debt securities 49,269   49,269   49,105
Expected maturity distribution          
Total - Available-for-sale debt securities, Fair Value 49,269   49,269    
Amortized Cost - Available-for-Sale Debt Securities 49,874   49,874   49,413
Yield of available for sale debt securities 3.90%   3.90%    
Due in One Year or Less [Member] | Us Treasury And Agency Securities Member
          
Expected maturity distribution          
Due in One Year or Less 493   493    
Due in One Year or Less 492   492    
Yield of available for sale debt securities 4.80%   4.80%    
Due after One Year through Five Years [Member] | Us Treasury And Agency Securities Member
          
Expected maturity distribution          
Due after One Year through Five Years 1,676   1,676    
Due after One Year through Five Years 1,633   1,633    
Yield of available for sale debt securities 2.00%   2.00%    
Due after Five Years through Ten Years [Member] | Us Treasury And Agency Securities Member
          
Expected maturity distribution          
Due after Five Years through Ten Years 12,694   12,694    
Due after Five Years through Ten Years 12,290   12,290    
Yield of available for sale debt securities 3.30%   3.30%    
Due after Ten Years [Member] | Us Treasury And Agency Securities Member
          
Expected maturity distribution          
Due after Ten Years 34,406   34,406    
Due after Ten Years 35,459   35,459    
Yield of available for sale debt securities 4.10%   4.10%    
Agency [Member]
          
Amortized cost and fair value of the Corporation's investment          
Amortized Cost - Available-for-Sale Debt Securities 180,151   180,151   190,409
Fair value of available-for-sale(AFS) debt securities 181,616   181,616   191,217
Expected maturity distribution          
Due in One Year or Less 27   27    
Due after One Year through Five Years 69,599   69,599    
Due after Five Years through Ten Years 43,866   43,866    
Due after Ten Years 68,124   68,124    
Total - Available-for-sale debt securities, Fair Value 181,616   181,616    
Amortized Cost - Available-for-Sale Debt Securities 180,151   180,151   190,409
Yield of available for sale debt securities 3.90%   3.90%    
Due in One Year or Less [Member] | Agency [Member]
          
Expected maturity distribution          
Due in One Year or Less 25   25    
Yield of available for sale debt securities 4.40%   4.40%    
Due after One Year through Five Years [Member] | Agency [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 67,665   67,665    
Yield of available for sale debt securities 4.00%   4.00%    
Due after Five Years through Ten Years [Member] | Agency [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 43,235   43,235    
Yield of available for sale debt securities 4.00%   4.00%    
Due after Ten Years [Member] | Agency [Member]
          
Expected maturity distribution          
Due after Ten Years 69,226   69,226    
Yield of available for sale debt securities 3.70%   3.70%    
Agency-collateralized mortgage obligations [Member]
          
Amortized cost and fair value of the Corporation's investment          
Amortized Cost - Available-for-Sale Debt Securities 48,212   48,212   36,639
Fair value of available-for-sale(AFS) debt securities 49,111   49,111   37,017
Expected maturity distribution          
Due in One Year or Less 62   62    
Due after One Year through Five Years 17,959   17,959    
Due after Five Years through Ten Years 13,614   13,614    
Due after Ten Years 17,476   17,476    
Total - Available-for-sale debt securities, Fair Value 49,111   49,111    
Amortized Cost - Available-for-Sale Debt Securities 48,212   48,212   36,639
Yield of available for sale debt securities 3.50%   3.50%    
Due in One Year or Less [Member] | Agency-collateralized mortgage obligations [Member]
          
Expected maturity distribution          
Due in One Year or Less 62   62    
Yield of available for sale debt securities 0.60%   0.60%    
Due after One Year through Five Years [Member] | Agency-collateralized mortgage obligations [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 17,650   17,650    
Yield of available for sale debt securities 3.00%   3.00%    
Due after Five Years through Ten Years [Member] | Agency-collateralized mortgage obligations [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 13,115   13,115    
Yield of available for sale debt securities 4.20%   4.20%    
Due after Ten Years [Member] | Agency-collateralized mortgage obligations [Member]
          
Expected maturity distribution          
Due after Ten Years 17,385   17,385    
Yield of available for sale debt securities 3.50%   3.50%    
Due in One Year or Less [Member] | Non-agency residential [Member]
          
Expected maturity distribution          
Due in One Year or Less 188   188    
Yield of available for sale debt securities 7.00%   7.00%    
Due after One Year through Five Years [Member] | Non-agency residential [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 3,205   3,205    
Yield of available for sale debt securities 5.90%   5.90%    
Due after Five Years through Ten Years [Member] | Non-agency residential [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 1,236   1,236    
Yield of available for sale debt securities 5.90%   5.90%    
Due after Ten Years [Member] | Non-agency residential [Member]
          
Expected maturity distribution          
Due after Ten Years 14,935   14,935    
Yield of available for sale debt securities 4.20%   4.20%    
Non-agency residential [Member]
          
Amortized cost and fair value of the Corporation's investment          
Amortized Cost - Available-for-Sale Debt Securities 19,564   19,564   23,458
Fair value of available-for-sale(AFS) debt securities 19,575   19,575   23,117
Expected maturity distribution          
Due in One Year or Less 152   152    
Due after One Year through Five Years 3,188   3,188    
Due after Five Years through Ten Years 1,263   1,263    
Due after Ten Years 14,972   14,972    
Total - Available-for-sale debt securities, Fair Value 19,575   19,575    
Amortized Cost - Available-for-Sale Debt Securities 19,564   19,564   23,458
Yield of available for sale debt securities 4.60%   4.60%    
Due in One Year or Less [Member] | Non-agency commercial [Member]
          
Expected maturity distribution          
Due in One Year or Less 486   486    
Yield of available for sale debt securities 4.40%   4.40%    
Due after One Year through Five Years [Member] | Non-agency commercial [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 5,135   5,135    
Yield of available for sale debt securities 6.60%   6.60%    
Due after Five Years through Ten Years [Member] | Non-agency commercial [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 131   131    
Yield of available for sale debt securities 6.80%   6.80%    
Due after Ten Years [Member] | Non-agency commercial [Member]
          
Expected maturity distribution          
Due after Ten Years 266   266    
Yield of available for sale debt securities 6.80%   6.80%    
Non-agency commercial [Member]
          
Amortized cost and fair value of the Corporation's investment          
Amortized Cost - Available-for-Sale Debt Securities 6,018   6,018   6,167
Fair value of available-for-sale(AFS) debt securities 6,718   6,718   6,852
Expected maturity distribution          
Due in One Year or Less 490   490    
Due after One Year through Five Years 5,782   5,782    
Due after Five Years through Ten Years 147   147    
Due after Ten Years 299   299    
Total - Available-for-sale debt securities, Fair Value 6,718   6,718    
Amortized Cost - Available-for-Sale Debt Securities 6,018   6,018   6,167
Yield of available for sale debt securities 6.50%   6.50%    
Due in One Year or Less [Member] | Non-U.S. securities [Member]
          
Expected maturity distribution          
Due in One Year or Less 2,058   2,058    
Yield of available for sale debt securities 0.60%   0.60%    
Due after One Year through Five Years [Member] | Non-U.S. securities [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 2,087   2,087    
Yield of available for sale debt securities 4.90%   4.90%    
Due after Five Years through Ten Years [Member] | Non-U.S. securities [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 169   169    
Yield of available for sale debt securities 3.70%   3.70%    
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%   0.00%    
Non-U.S. securities [Member]
          
Amortized cost and fair value of the Corporation's investment          
Amortized Cost - Available-for-Sale Debt Securities 4,314   4,314   4,054
Fair value of available-for-sale(AFS) debt securities 4,360   4,360   4,139
Expected maturity distribution          
Due in One Year or Less 2,055   2,055    
Due after One Year through Five Years 2,132   2,132    
Due after Five Years through Ten Years 173   173    
Due after Ten Years 0   0    
Total - Available-for-sale debt securities, Fair Value 4,360   4,360    
Amortized Cost - Available-for-Sale Debt Securities 4,314   4,314   4,054
Yield of available for sale debt securities 4.90%   4.90%    
Due in One Year or Less [Member] | Corporate/Agency bonds [Member]
          
Expected maturity distribution          
Due in One Year or Less 241   241    
Yield of available for sale debt securities 3.60%   3.60%    
Due after One Year through Five Years [Member] | Corporate/Agency bonds [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 2,859   2,859    
Yield of available for sale debt securities 2.10%   2.10%    
Due after Five Years through Ten Years [Member] | Corporate/Agency bonds [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 1,127   1,127    
Yield of available for sale debt securities 3.50%   3.50%    
Due after Ten Years [Member] | Corporate/Agency bonds [Member]
          
Expected maturity distribution          
Due after Ten Years 161   161    
Yield of available for sale debt securities 0.80%   0.80%    
Corporate/Agency bonds [Member]
          
Amortized cost and fair value of the Corporation's investment          
Amortized Cost - Available-for-Sale Debt Securities 4,388   4,388   5,157
Fair value of available-for-sale(AFS) debt securities 4,538   4,538   5,291
Expected maturity distribution          
Due in One Year or Less 245   245    
Due after One Year through Five Years 2,951   2,951    
Due after Five Years through Ten Years 1,181   1,181    
Due after Ten Years 161   161    
Total - Available-for-sale debt securities, Fair Value 4,538   4,538    
Amortized Cost - Available-for-Sale Debt Securities 4,388   4,388   5,157
Yield of available for sale debt securities 2.40%   2.40%    
Due in One Year or Less [Member] | Other Taxable Securities, Debt [Member]
          
Expected maturity distribution          
Due in One Year or Less 1,344   1,344    
Yield of available for sale debt securities 1.40%   1.40%    
Due after One Year through Five Years [Member] | Other Taxable Securities, Debt [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 5,329   5,329    
Yield of available for sale debt securities 1.40%   1.40%    
Due after Five Years through Ten Years [Member] | Other Taxable Securities, Debt [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 1,136   1,136    
Yield of available for sale debt securities 1.90%   1.90%    
Due after Ten Years [Member] | Other Taxable Securities, Debt [Member]
          
Expected maturity distribution          
Due after Ten Years 4,201   4,201    
Yield of available for sale debt securities 0.50%   0.50%    
Other Taxable Securities, Debt [Member]
          
Amortized cost and fair value of the Corporation's investment          
Amortized Cost - Available-for-Sale Debt Securities 12,010   12,010   15,514
Fair value of available-for-sale(AFS) debt securities 12,023   12,023   15,392
Expected maturity distribution          
Due in One Year or Less 1,346   1,346    
Due after One Year through Five Years 5,374   5,374    
Due after Five Years through Ten Years 1,153   1,153    
Due after Ten Years 4,150   4,150    
Total - Available-for-sale debt securities, Fair Value 12,023   12,023    
Amortized Cost - Available-for-Sale Debt Securities 12,010   12,010   15,514
Yield of available for sale debt securities 1.10%   1.10%    
Due in One Year or Less [Member] | Total taxable securities [Member]
          
Expected maturity distribution          
Due in One Year or Less 4,896   4,896    
Yield of available for sale debt securities 2.03%   2.03%    
Due after One Year through Five Years [Member] | Total taxable securities [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 105,563   105,563    
Yield of available for sale debt securities 3.82%   3.82%    
Due after Five Years through Ten Years [Member] | Total taxable securities [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 72,439   72,439    
Yield of available for sale debt securities 3.91%   3.91%    
Due after Ten Years [Member] | Total taxable securities [Member]
          
Expected maturity distribution          
Due after Ten Years 141,633   141,633    
Yield of available for sale debt securities 3.74%   3.74%    
Total taxable securities [Member]
          
Amortized cost and fair value of the Corporation's investment          
Amortized Cost - Available-for-Sale Debt Securities 324,531   324,531   330,811
Fair value of available-for-sale(AFS) debt securities 327,210   327,210   332,130
Expected maturity distribution          
Due in One Year or Less 4,870   4,870    
Due after One Year through Five Years 108,661   108,661    
Due after Five Years through Ten Years 74,091   74,091    
Due after Ten Years 139,588   139,588    
Total - Available-for-sale debt securities, Fair Value 327,210   327,210    
Amortized Cost - Available-for-Sale Debt Securities 324,531   324,531   330,811
Yield of available for sale debt securities 3.82%   3.82%    
Due in One Year or Less [Member] | Tax-exempt securities [Member]
          
Expected maturity distribution          
Due in One Year or Less 89   89    
Yield of available for sale debt securities 4.30%   4.30%    
Due after One Year through Five Years [Member] | Tax-exempt securities [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 746   746    
Yield of available for sale debt securities 4.40%   4.40%    
Due after Five Years through Ten Years [Member] | Tax-exempt securities [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 856   856    
Yield of available for sale debt securities 4.50%   4.50%    
Due after Ten Years [Member] | Tax-exempt securities [Member]
          
Expected maturity distribution          
Due after Ten Years 2,117   2,117    
Yield of available for sale debt securities 4.60%   4.60%    
Tax-exempt securities [Member]
          
Amortized cost and fair value of the Corporation's investment          
Amortized Cost - Available-for-Sale Debt Securities 3,808   3,808   5,687
Fair value of available-for-sale(AFS) debt securities 3,661   3,661   5,497
Expected maturity distribution          
Due in One Year or Less 90   90    
Due after One Year through Five Years 739   739    
Due after Five Years through Ten Years 828   828    
Due after Ten Years 2,004   2,004    
Total - Available-for-sale debt securities, Fair Value 3,661   3,661    
Amortized Cost - Available-for-Sale Debt Securities 3,808   3,808   5,687
Yield of available for sale debt securities 4.50%   4.50%    
Federal National Mortgage Association [Member]
          
Amortized cost and fair value of the Corporation's investment          
Amortized Cost - Available-for-Sale Debt Securities 133,053   133,053   123,662
Fair value of available-for-sale(AFS) debt securities 132,917   132,917   123,107
Expected maturity distribution          
Amortized Cost - Available-for-Sale Debt Securities 133,053   133,053   123,662
Government National Mortgage Association [Member]
          
Amortized cost and fair value of the Corporation's investment          
Amortized Cost - Available-for-Sale Debt Securities 27,833   27,833   72,863
Fair value of available-for-sale(AFS) debt securities 27,894   27,894   74,305
Expected maturity distribution          
Amortized Cost - Available-for-Sale Debt Securities 27,833   27,833   72,863
Federal Home Loan Mortgage Corporation [Member]
          
Amortized cost and fair value of the Corporation's investment          
Amortized Cost - Available-for-Sale Debt Securities 67,477   67,477   30,523
Fair value of available-for-sale(AFS) debt securities 69,916   69,916   30,822
Expected maturity distribution          
Amortized Cost - Available-for-Sale Debt Securities 67,477   67,477   30,523
Due in One Year or Less [Member]
          
Expected maturity distribution          
Due in One Year or Less 4,985   4,985    
Yield of available for sale debt securities 2.07%   2.07%    
Due after One Year through Five Years [Member]
          
Expected maturity distribution          
Due after One Year through Five Years 106,309   106,309    
Yield of available for sale debt securities 3.83%   3.83%    
Due after Five Years through Ten Years [Member]
          
Expected maturity distribution          
Due after Five Years through Ten Years 73,295   73,295    
Yield of available for sale debt securities 3.92%   3.92%    
Due after Ten Years [Member]
          
Expected maturity distribution          
Due after Ten Years $ 143,750   $ 143,750    
Yield of available for sale debt securities 3.75%   3.75%