Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Recurring Fair Value (Details)

v2.4.0.8
Fair Value Measurements - Recurring Fair Value (Details) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2013
Jun. 30, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Dec. 31, 2011
Assets            
Federal funds sold and securities borrowed or purchased under agreements to resell $ 102,899   $ 98,670      
Trading account assets 201,206   227,775      
Derivative assets 53,161   53,497      
Other debt securities carried at fair value 31,453   23,944      
Mortgage servicing rights 5,058 5,827 5,716 5,087 5,708 7,378
Loans held-for-sale 8,217   11,659      
Other assets 18,204   26,490      
Liabilities            
Federal funds purchased and securities loaned or sold under agreements to repurchase 61,917   42,639      
Derivative liabilities 44,568   46,016      
Long-term debt 47,401   49,161      
Fair Value, Assets, Level 1 to Level 2 Transfers, Amount 500   2,000      
Fair Value, Liabilities, Level 1 to Level 2 Transfers, Amount     350      
Fair Value, Assets, Level 2 to Level 1 Transfers, Amount     785      
Fair Value, Liabilities, Level 2 to Level 1 Transfers, Amount     40      
Fair Value, Measurements, Recurring [Member]
            
Assets            
Federal funds sold and securities borrowed or purchased under agreements to resell 102,899   98,670      
Trading account assets 201,206   227,775      
Derivative assets 53,161 [1]   53,497 [1]      
Total available-for-sale debt securities 234,896   286,906      
Other debt securities carried at fair value 31,453   23,944      
Loans and leases 10,196   9,002      
Mortgage servicing rights 5,058   5,716      
Loans held-for-sale 8,217   11,659      
Other assets 18,204   26,490      
Total assets 665,290   743,659      
Liabilities            
Interest-bearing deposits in U.S. offices 1,916   2,262      
Federal funds purchased and securities loaned or sold under agreements to repurchase 61,917   42,639      
Total trading account liabilities 82,713   73,587      
Derivative liabilities 44,568 [1]   46,016 [1]      
Commercial paper and other short-term borrowings 2,844   4,074      
Accrued expenses and other liabilities 9,622   16,594      
Long-term debt 47,401   49,161      
Total liabilities 250,981   234,333      
Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Assets            
Federal funds sold and securities borrowed or purchased under agreements to resell    [2]      [3]      
Trading account assets 111,497 [2]   116,345 [3]      
Derivative assets 4,329 [1],[2]   2,997 [1],[3]      
Total available-for-sale debt securities 3,001 [2]   24,171 [3]      
Other debt securities carried at fair value 9,740 [2]   9,642 [3]      
Loans and leases    [2]      [3]      
Mortgage servicing rights    [2]      [3]      
Loans held-for-sale    [2]      [3]      
Other assets 14,009 [2]   18,535 [3]      
Total assets 142,576 [2]   171,690 [3]      
Liabilities            
Interest-bearing deposits in U.S. offices    [2]      [3]      
Federal funds purchased and securities loaned or sold under agreements to repurchase    [2]      [3]      
Total trading account liabilities 69,950 [2]   61,565 [3]      
Derivative liabilities 5,167 [1],[2]   2,859 [1],[3]      
Commercial paper and other short-term borrowings    [2]      [3]      
Accrued expenses and other liabilities 8,627 [2]   15,457 [3]      
Long-term debt    [2]      [3]      
Total liabilities 83,744 [2]   79,881 [3]      
Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Assets            
Federal funds sold and securities borrowed or purchased under agreements to resell 102,899 [2]   98,670 [3]      
Trading account assets 80,683 [2]   101,871 [3]      
Derivative assets 977,921 [1],[2]   1,372,398 [1],[3]      
Total available-for-sale debt securities 226,952 [2]   257,644 [3]      
Other debt securities carried at fair value 21,713 [2]   14,302 [3]      
Loans and leases 7,180 [2]   6,715 [3]      
Mortgage servicing rights    [2]   0 [3]      
Loans held-for-sale 7,304 [2]   8,926 [3]      
Other assets 2,317 [2]   4,826 [3]      
Total assets 1,426,969 [2]   1,865,352 [3]      
Liabilities            
Interest-bearing deposits in U.S. offices 1,916 [2]   2,262 [3]      
Federal funds purchased and securities loaned or sold under agreements to repurchase 61,917 [2]   42,639 [3]      
Total trading account liabilities 12,714 [2]   11,958 [3]      
Derivative liabilities 962,675 [1],[2]   1,355,309 [1],[3]      
Commercial paper and other short-term borrowings 2,844 [2]   4,074 [3]      
Accrued expenses and other liabilities 964 [2]   1,122 [3]      
Long-term debt 45,338 [2]   46,860 [3]      
Total liabilities 1,088,368 [2]   1,464,224 [3]      
Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Assets            
Federal funds sold and securities borrowed or purchased under agreements to resell              
Trading account assets 9,026   9,559      
Derivative assets 7,527 [1]   8,073 [1] 10,000    
Total available-for-sale debt securities 4,943   5,091      
Other debt securities carried at fair value 0 [2]   0      
Loans and leases 3,016   2,287      
Mortgage servicing rights 5,058   5,716      
Loans held-for-sale 913 [4],[5]   2,733 [4],[5]      
Other assets 1,878   3,129      
Total assets 32,361   36,588      
Liabilities            
Interest-bearing deposits in U.S. offices              
Federal funds purchased and securities loaned or sold under agreements to repurchase              
Total trading account liabilities 49   64      
Derivative liabilities 6,759 [1]   6,605 [1] 7,000    
Commercial paper and other short-term borrowings              
Accrued expenses and other liabilities 31   15      
Long-term debt 2,063   2,301      
Total liabilities 8,902   8,985      
Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Assets            
Federal funds sold and securities borrowed or purchased under agreements to resell    [6]      [6]      
Trading account assets    [6]      [6]      
Derivative assets (936,616) [1],[6]   (1,329,971) [1],[6]      
Total available-for-sale debt securities    [6]      [6]      
Other debt securities carried at fair value    [6]      [6]      
Loans and leases    [6]      [6]      
Mortgage servicing rights    [6]      [6]      
Loans held-for-sale    [6]      [6]      
Other assets    [6]      [6]      
Total assets (936,616) [6]   (1,329,971) [6]      
Liabilities            
Interest-bearing deposits in U.S. offices    [6]      [6]      
Federal funds purchased and securities loaned or sold under agreements to repurchase    [6]      [6]      
Total trading account liabilities    [6]      [6]      
Derivative liabilities (930,033) [1],[6]   (1,318,757) [1],[6]      
Commercial paper and other short-term borrowings    [6]      [6]      
Accrued expenses and other liabilities    [6]      [6]      
Long-term debt    [6]      [6]      
Total liabilities (930,033) [6]   (1,318,757) [6]      
US Government Corporations and Agencies Securities [Member] | Fair Value, Measurements, Recurring [Member]
            
Liabilities            
Total trading account liabilities 24,395   23,430      
US Government Corporations and Agencies Securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Liabilities            
Total trading account liabilities 24,046 [2]   22,351 [3]      
US Government Corporations and Agencies Securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Liabilities            
Total trading account liabilities 349 [2]   1,079 [3]      
US Government Corporations and Agencies Securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Liabilities            
Total trading account liabilities              
US Government Corporations and Agencies Securities [Member] | Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Liabilities            
Total trading account liabilities    [6]      [6]      
Equity securities [Member] | Fair Value, Measurements, Recurring [Member]
            
Liabilities            
Total trading account liabilities 26,860   22,492      
Equity securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Liabilities            
Total trading account liabilities 23,256 [2]   19,852 [3]      
Equity securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Liabilities            
Total trading account liabilities 3,604 [2]   2,640 [3]      
Equity securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Liabilities            
Total trading account liabilities              
Equity securities [Member] | Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Liabilities            
Total trading account liabilities    [6]      [6]      
Foreign Government Debt Securities [Member] | Fair Value, Measurements, Recurring [Member]
            
Liabilities            
Total trading account liabilities 23,621   20,244      
Foreign Government Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Liabilities            
Total trading account liabilities 22,119 [2]   18,875 [3]      
Foreign Government Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Liabilities            
Total trading account liabilities 1,502 [2]   1,369 [3]      
Foreign Government Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Liabilities            
Total trading account liabilities              
Foreign Government Debt Securities [Member] | Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Liabilities            
Total trading account liabilities    [6]      [6]      
Corporate securities, trading loans and other [Member] | Fair Value, Measurements, Recurring [Member]
            
Liabilities            
Total trading account liabilities 7,837   7,421      
Corporate securities, trading loans and other [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Liabilities            
Total trading account liabilities 529 [2]   487 [3]      
Corporate securities, trading loans and other [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Liabilities            
Total trading account liabilities 7,259 [2]   6,870 [3]      
Corporate securities, trading loans and other [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Liabilities            
Total trading account liabilities 49   64      
Corporate securities, trading loans and other [Member] | Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Liabilities            
Total trading account liabilities    [6]      [6]      
U.S. government and agency securities [Member] | Fair Value, Measurements, Recurring [Member]
            
Assets            
Trading account assets 59,250   86,974      
U.S. government and agency securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Assets            
Trading account assets 46,478 [2]   57,655 [3]      
Other debt securities carried at fair value     491 [3]      
U.S. government and agency securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Assets            
Trading account assets 12,772 [2]   29,319 [3]      
Other debt securities carried at fair value     0 [3]      
U.S. government and agency securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Assets            
Trading account assets              
Other debt securities carried at fair value     0      
U.S. government and agency securities [Member] | Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Assets            
Trading account assets    [6]      [6]      
Other debt securities carried at fair value        [6]      
Corporate securities, trading loans and other [Member] | Fair Value, Measurements, Recurring [Member]
            
Assets            
Trading account assets 34,267   37,900      
Corporate securities, trading loans and other [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Assets            
Trading account assets 974 [2]   1,292 [3]      
Corporate securities, trading loans and other [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Assets            
Trading account assets 29,513 [2]   32,882 [3]      
Corporate securities, trading loans and other [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Assets            
Trading account assets 3,780   3,726      
Corporate securities, trading loans and other [Member] | Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Assets            
Trading account assets    [6]      [6]      
Equity securities [Member] | Fair Value, Measurements, Recurring [Member]
            
Assets            
Trading account assets 48,300   43,315      
Equity securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Assets            
Trading account assets 31,911 [2]   28,144 [3]      
Equity securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Assets            
Trading account assets 16,051 [2]   14,626 [3]      
Equity securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Assets            
Trading account assets 338   545      
Equity securities [Member] | Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Assets            
Trading account assets    [6]      [6]      
Non-U.S. sovereign debt [Member] | Fair Value, Measurements, Recurring [Member]
            
Assets            
Trading account assets 44,125   42,746      
Non-U.S. sovereign debt [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Assets            
Trading account assets 32,134 [2]   29,254 [3]      
Non-U.S. sovereign debt [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Assets            
Trading account assets 11,603 [2]   13,139 [3]      
Non-U.S. sovereign debt [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Assets            
Trading account assets 388   353      
Non-U.S. sovereign debt [Member] | Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Assets            
Trading account assets    [6]      [6]      
Mortgage trading loans and ABS [Member] | Fair Value, Measurements, Recurring [Member]
            
Assets            
Trading account assets 15,264   16,840      
Mortgage trading loans and ABS [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Assets            
Trading account assets    [2]      [3]      
Mortgage trading loans and ABS [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Assets            
Trading account assets 10,744 [2]   11,905 [3]      
Mortgage trading loans and ABS [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Assets            
Trading account assets 4,520   4,935      
Mortgage trading loans and ABS [Member] | Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Assets            
Trading account assets    [6]      [6]      
U.S. Treasury securities and agency securities [Member] | Fair Value, Measurements, Recurring [Member]
            
Assets            
Total available-for-sale debt securities 2,971   24,472      
U.S. Treasury securities and agency securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Assets            
Total available-for-sale debt securities 514 [2]   21,514 [3]      
U.S. Treasury securities and agency securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Assets            
Total available-for-sale debt securities 2,457 [2]   2,958 [3]      
U.S. Treasury securities and agency securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Assets            
Total available-for-sale debt securities              
U.S. Treasury securities and agency securities [Member] | Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Assets            
Total available-for-sale debt securities    [6]      [6]      
Agency [Member] | Fair Value, Measurements, Recurring [Member]
            
Assets            
Total available-for-sale debt securities 169,025   188,149      
Other debt securities carried at fair value 18,626   13,073      
Agency [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Assets            
Total available-for-sale debt securities    [2]      [3]      
Other debt securities carried at fair value 0 [2]      [3]      
Agency [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Assets            
Total available-for-sale debt securities 169,025 [2]   188,149 [3]      
Other debt securities carried at fair value 18,626 [2]   13,073 [3]      
Agency [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Assets            
Total available-for-sale debt securities 0   0      
Other debt securities carried at fair value 0 [2]   0      
Agency [Member] | Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Assets            
Total available-for-sale debt securities    [6]      [6]      
Other debt securities carried at fair value    [6]      [6]      
Agency-collateralized mortgage obligations [Member] | Fair Value, Measurements, Recurring [Member]
            
Assets            
Total available-for-sale debt securities 27,335   37,538      
Other debt securities carried at fair value 563   929      
Agency-collateralized mortgage obligations [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Assets            
Total available-for-sale debt securities    [2]      [3]      
Other debt securities carried at fair value 0 [2]      [3]      
Agency-collateralized mortgage obligations [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Assets            
Total available-for-sale debt securities 27,335 [2]   37,538 [3]      
Other debt securities carried at fair value 563 [2]   929 [3]      
Agency-collateralized mortgage obligations [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Assets            
Total available-for-sale debt securities              
Other debt securities carried at fair value 0 [2]   0      
Agency-collateralized mortgage obligations [Member] | Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Assets            
Total available-for-sale debt securities    [6]          
Other debt securities carried at fair value    [6]      [6]      
Non-agency residential [Member] | Fair Value, Measurements, Recurring [Member]
            
Assets            
Total available-for-sale debt securities 6,929   9,494      
Non-agency residential [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Assets            
Total available-for-sale debt securities    [2]      [3]      
Non-agency residential [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Assets            
Total available-for-sale debt securities 6,929 [2]   9,494 [3]      
Non-agency residential [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Assets            
Total available-for-sale debt securities 0   0      
Non-agency residential [Member] | Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Assets            
Total available-for-sale debt securities    [6]      [6]      
Non-agency commercial [Member] | Fair Value, Measurements, Recurring [Member]
            
Assets            
Total available-for-sale debt securities 2,827   3,924      
Other debt securities carried at fair value 758          
Non-agency commercial [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Assets            
Total available-for-sale debt securities    [2]      [3]      
Other debt securities carried at fair value 0 [2]          
Non-agency commercial [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Assets            
Total available-for-sale debt securities 2,827 [2]   3,914 [3]      
Other debt securities carried at fair value 758 [2]          
Non-agency commercial [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Assets            
Total available-for-sale debt securities 0   10      
Other debt securities carried at fair value 0 [2]          
Non-agency commercial [Member] | Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Assets            
Total available-for-sale debt securities    [6]      [6]      
Other debt securities carried at fair value    [6]          
Non-U.S. Securities [Member] | Fair Value, Measurements, Recurring [Member]
            
Assets            
Total available-for-sale debt securities 6,240   5,618      
Other debt securities carried at fair value 11,506   9,451      
Non-U.S. Securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Assets            
Total available-for-sale debt securities 2,467 [2]   2,637 [3]      
Other debt securities carried at fair value 9,740 [2]   9,151 [3]      
Non-U.S. Securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Assets            
Total available-for-sale debt securities 3,668 [2]   2,981 [3]      
Other debt securities carried at fair value 1,766 [2]   300 [3]      
Non-U.S. Securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Assets            
Total available-for-sale debt securities 105           
Other debt securities carried at fair value 0 [2]   0      
Non-U.S. Securities [Member] | Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Assets            
Total available-for-sale debt securities    [6]      [6]      
Other debt securities carried at fair value    [6]      [6]      
Corporate/Agency bonds [Member] | Fair Value, Measurements, Recurring [Member]
            
Assets            
Total available-for-sale debt securities 1,170   1,450      
Corporate/Agency bonds [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Assets            
Total available-for-sale debt securities    [2]      [3]      
Corporate/Agency bonds [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Assets            
Total available-for-sale debt securities 1,162 [2]   1,358 [3]      
Corporate/Agency bonds [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Assets            
Total available-for-sale debt securities 8   92      
Corporate/Agency bonds [Member] | Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Assets            
Total available-for-sale debt securities    [6]      [6]      
Other taxable securities [Member] | Fair Value, Measurements, Recurring [Member]
            
Assets            
Total available-for-sale debt securities 13,165   12,128      
Other taxable securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Assets            
Total available-for-sale debt securities 20 [2]   20 [3]      
Other taxable securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Assets            
Total available-for-sale debt securities 9,132 [2]   8,180 [3]      
Other taxable securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Assets            
Total available-for-sale debt securities 4,013   3,928      
Other taxable securities [Member] | Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Assets            
Total available-for-sale debt securities    [6]      [6]      
Tax-exempt securities [Member] | Fair Value, Measurements, Recurring [Member]
            
Assets            
Total available-for-sale debt securities 5,234   4,133      
Tax-exempt securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 1 [Member]
            
Assets            
Total available-for-sale debt securities    [2]      [3]      
Tax-exempt securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 2 [Member]
            
Assets            
Total available-for-sale debt securities 4,417 [2]   3,072 [3]      
Tax-exempt securities [Member] | Fair Value, Measurements, Recurring [Member] | Level 3 [Member]
            
Assets            
Total available-for-sale debt securities 817   1,061      
Tax-exempt securities [Member] | Fair Value, Measurements, Recurring [Member] | Netting Adjustments [Member]
            
Assets            
Total available-for-sale debt securities    [6]      [6]      
Private Equity Investment [Member]
            
Liabilities            
Fair Value, Assets, Level 1 to Level 2 Transfers, Amount     940      
Fair Value, Assets, Level 2 to Level 1 Transfers, Amount     535      
US Government Corporations and Agencies Securities [Member]
            
Assets            
Trading account assets 59,250 [7]   86,974 [7]      
Other debt securities carried at fair value $ 0   $ 491      
[1] For further disaggregation of derivative assets and liabilities, see Note 3 – Derivatives.
[2] During the nine months ended September 30, 2013, $500 million of other assets were transferred from Level 1 to Level 2 primarily due to a restriction that became effective for a private equity investment.
[3] During 2012, $2.0 billion and $350 million of assets and liabilities were transferred from Level 1 to Level 2, and $785 million and $40 million of assets and liabilities were transferred from Level 2 to Level 1. Of the asset transfers from Level 1 to Level 2, $940 million was due to a restriction that became effective for a private equity investment during 2012, while $535 million of the transfers from Level 2 to Level 1 was due to the lapse of this restriction during 2012. The remaining transfers were the result of additional information associated with certain equities, derivative contracts and private equity investments.
[4] Assets (liabilities). For assets, increase / (decrease) to Level 3 and for liabilities, (increase) / decrease to Level 3.
[5] Net derivatives include derivative assets of $10.0 billion and derivative liabilities of $7.0 billion.
[6] Amounts represent the impact of legally enforceable master netting agreements and also cash collateral held or placed with the same counterparties.
[7] Includes $13.4 billion and $30.6 billion of government-sponsored enterprise obligations at September 30, 2013 and December 31, 2012.