Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Reconciliation (Details)

v2.4.0.8
Fair Value Measurements - Reconciliation (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Derivative assets $ 45,302   $ 47,495
Derivative liabilities 36,911   37,407
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Gross Sales (20) (183)  
Corporate securities, trading loans and other [Member]
      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning (35) [1] (64) [2]  
Gains (Losses) in Earnings 1 [1]    
Gross Purchases 3 [1] 7 [2]  
Gross Sales (7) [1] (14) [2]  
Gross Transfers Into Level 3 0 [1] (8) [2]  
Gross Transfers out of Level 3 2 [1] 21 [2]  
Balance, ending (36) [1] (58) [2]  
Accrued expenses and other liabilities [Member]
      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning (10) [1],[3] (15) [2],[3]  
Gains (Losses) in Earnings 1 [1],[3] 29 [2],[3]  
Gains (Losses) in OCI    [1],[3]    [2],[3]  
Gross Purchases 0 [1],[3]    [2],[3]  
Gross Sales    [1],[3]    [2],[3]  
Gross Issuances    [1],[3] (586) [2],[3]  
Gross Settlements    [1],[3] 116 [2],[3]  
Gross Transfers Into Level 3    [1],[3]    [2],[3]  
Gross Transfers out of Level 3 1 [1],[3] 1 [2],[3]  
Balance, ending (8) [1],[3] (455) [2],[3]  
Long-term debt [Member]
      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning (1,990) [1],[3] (2,301) [2],[3]  
Gains (Losses) in Earnings (67) [1],[3] 11 [2],[3]  
Gains (Losses) in OCI    [1],[3]    [2],[3]  
Gross Purchases 46 [1],[3] 89 [2],[3]  
Gross Sales 0 [1],[3] (4) [2],[3]  
Gross Issuances (9) [1],[3] (36) [2],[3]  
Gross Settlements 119 [1],[3] 60 [2],[3]  
Gross Transfers Into Level 3 (144) [1],[3] (381) [2],[3]  
Gross Transfers out of Level 3 204 [1],[3] 207 [2],[3]  
Balance, ending (1,841) [1],[3] (2,355) [2],[3]  
Trading Securities [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 9,044 [1] 9,559 [2]  
Gains (Losses) in Earnings 274 [1] 343 [2]  
Gains (Losses) in OCI    [1] 0 [2]  
Gross Purchases 705 [1] 1,502 [2]  
Gross Sales (941) [1] (1,719) [2]  
Gross Issuances    [1] 0 [2]  
Gross Settlements (468) [1] (771) [2]  
Gross Transfers into Level 3 155 [1] 231 [2]  
Gross Transfers out of Level 3 (989) [1] (144) [2]  
Balance, ending 7,780 [1] 9,001 [2]  
Corporate securities, trading loans and other [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 3,559 [1] 3,726 [2]  
Gains (Losses) in Earnings 122 [1] 88 [2]  
Gains (Losses) in OCI    [1] 0 [2]  
Gross Purchases 286 [1] 805 [2]  
Gross Sales (354) [1] (966) [2]  
Gross Issuances    [1] 0 [2]  
Gross Settlements (238) [1] (140) [2]  
Gross Transfers into Level 3 148 [1] 218 [2]  
Gross Transfers out of Level 3 (906) [1] (124) [2]  
Balance, ending 2,617 [1] 3,607 [2]  
Equity securities [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 386 [1] 545 [2]  
Gains (Losses) in Earnings 19 [1] 42 [2]  
Gains (Losses) in OCI    [1] 0 [2]  
Gross Purchases 30 [1] 29 [2]  
Gross Sales (29) [1] (109) [2]  
Gross Issuances    [1] 0 [2]  
Gross Settlements 0 [1]    [2]  
Gross Transfers into Level 3 7 [1] 8 [2]  
Gross Transfers out of Level 3 (70) [1] (18) [2]  
Balance, ending 343 [1] 497 [2]  
Non-U.S. sovereign debt [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 468 [1] 353 [2]  
Gains (Losses) in Earnings 55 [1] 51 [2]  
Gains (Losses) in OCI    [1] 0 [2]  
Gross Purchases 23 [1] 15 [2]  
Gross Sales (6) [1] (1) [2]  
Gross Issuances    [1] 0 [2]  
Gross Settlements (6) [1]    [2]  
Gross Transfers into Level 3    [1]    [2]  
Gross Transfers out of Level 3 (1) [1] (1) [2]  
Balance, ending 533 [1] 417 [2]  
Mortgage trading loans and ABS [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 4,631 [1] 4,935 [2]  
Gains (Losses) in Earnings 78 [1] 162 [2]  
Gains (Losses) in OCI    [1] 0 [2]  
Gross Purchases 366 [1] 653 [2]  
Gross Sales (552) [1] (643) [2]  
Gross Issuances    [1] 0 [2]  
Gross Settlements (224) [1] (631) [2]  
Gross Transfers into Level 3 0 [1] 5 [2]  
Gross Transfers out of Level 3 (12) [1] (1) [2]  
Balance, ending 4,287 [1] 4,480 [2]  
Derivative assets [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning (24) [1],[4] 1,468 [2],[5]  
Gains (Losses) in Earnings 5 [1],[4] 293 [2],[5]  
Gains (Losses) in OCI    [1],[4] 0 [2],[5]  
Gross Purchases 125 [1],[4] 179 [2],[5]  
Gross Sales (618) [1],[4] (466) [2],[5]  
Gross Issuances    [1],[4] 0 [2],[5]  
Gross Settlements (101) [1],[4] (660) [2],[5]  
Gross Transfers into Level 3 12 [1],[4] 52 [2],[5]  
Gross Transfers out of Level 3 26 [1],[4] 197 [2],[5]  
Balance, ending (575) [1],[4] 1,063 [2],[5]  
Available-for-sale debt securities [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 4,760 [1] 5,091 [2]  
Gains (Losses) in Earnings 9 [1] 1 [2]  
Gains (Losses) in OCI (1) [1] 9 [2]  
Gross Purchases 47 [1] 244 [2]  
Gross Sales 0 [1] 0 [2]  
Gross Issuances    [1]    [2]  
Gross Settlements (595) [1] (152) [2]  
Gross Transfers into Level 3    [1] 0 [2]  
Gross Transfers out of Level 3 0 [1] 0 [2]  
Balance, ending 4,220 [1] 5,193 [2]  
Agency MBS [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning   10 [2]  
Gains (Losses) in Earnings      [2]  
Gains (Losses) in OCI      [2]  
Gross Purchases      [2]  
Gross Sales      [2]  
Gross Issuances      [2]  
Gross Settlements      [2]  
Gross Transfers into Level 3      [2]  
Gross Transfers out of Level 3   0 [2]  
Balance, ending   10 [2]  
Foreign Securities [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning   0 [2]  
Gains (Losses) in Earnings   0 [2]  
Gains (Losses) in OCI   0 [2]  
Gross Purchases   1 [2]  
Gross Sales   0 [2]  
Gross Issuances      [2]  
Gross Settlements   0 [2]  
Gross Transfers into Level 3   0 [2]  
Gross Transfers out of Level 3      [2]  
Balance, ending   1 [2]  
Non-U.S. Securities [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 107 [1]    
Gains (Losses) in Earnings    [1]    
Gains (Losses) in OCI    [1]    
Gross Purchases    [1]    
Gross Sales    [1]    
Gross Issuances    [1]    
Gross Settlements (107) [1]    
Gross Transfers into Level 3    [1]    
Gross Transfers out of Level 3    [1]    
Balance, ending 0 [1]    
Corporate Bond Securities [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning   92 [2]  
Gains (Losses) in OCI   4 [2]  
Gross Purchases      [2]  
Gross Sales      [2]  
Gross Issuances      [2]  
Gross Settlements      [2]  
Gross Transfers into Level 3      [2]  
Gross Transfers out of Level 3      [2]  
Balance, ending   96 [2]  
Other taxable securities [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 3,847 [1] 3,928 [2]  
Gains (Losses) in Earnings 8 [1]    
Gains (Losses) in OCI (2) [1] 2 [2]  
Gross Purchases 47 [1] 243 [2]  
Gross Sales    [1]    [2]  
Gross Issuances    [1]    [2]  
Gross Settlements (463) [1] (128) [2]  
Gross Transfers into Level 3    [1]    [2]  
Gross Transfers out of Level 3 0 [1]    [2]  
Balance, ending 3,437 [1] 4,045 [2]  
Tax-exempt securities [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 806 [1] 1,061 [2]  
Gains (Losses) in Earnings 1 [1] 1 [2]  
Gains (Losses) in OCI 1 [1] 3 [2]  
Gross Purchases    [1]    [2]  
Gross Sales 0 [1] 0 [2]  
Gross Issuances    [1]    [2]  
Gross Settlements (25) [1] (24) [2]  
Gross Transfers into Level 3    [1]    [2]  
Gross Transfers out of Level 3    [1]    [2]  
Balance, ending 783 [1] 1,041 [2]  
Loans and leases [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 3,057 [1],[3],[6] 2,287 [2],[3],[6]  
Gains (Losses) in Earnings 32 [1],[3],[6] 51 [2],[3],[6]  
Gains (Losses) in OCI    [1],[3],[6]    [2],[3],[6]  
Gross Purchases    [1],[3],[6] 71 [2],[3],[6]  
Gross Sales (3) [1],[3],[6] 0 [2],[3],[6]  
Gross Issuances 689 [1],[3],[6] 5 [2],[3],[6]  
Gross Settlements (723) [1],[3],[6] (41) [2],[3],[6]  
Gross Transfers into Level 3 6 [1],[3],[6]    [2],[3],[6]  
Gross Transfers out of Level 3 (5) [1],[3],[6] (10) [2],[3],[6]  
Balance, ending 3,053 [1],[3],[6] 2,363 [2],[3],[6]  
Servicing Contracts [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 5,042 [1],[6] 5,716 [2],[6]  
Gains (Losses) in Earnings (290) [1],[6] 434 [2],[6]  
Gains (Losses) in OCI    [1],[6]    [2],[6]  
Gross Purchases    [1],[6]    [2],[6]  
Gross Sales (20) [1],[6] (183) [2],[6]  
Gross Issuances 265 [1],[6] 123 [2],[6]  
Gross Settlements (232) [1],[6] (314) [2],[6]  
Gross Transfers into Level 3    [1],[6]    [2],[6]  
Gross Transfers out of Level 3    [1],[6]    [2],[6]  
Balance, ending 4,765 [1],[6] 5,776 [2],[6]  
Loans Held-for-Sale [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 929 [1],[3] 2,733 [2],[3]  
Gains (Losses) in Earnings 12 [1],[3] (39) [2],[3]  
Gains (Losses) in OCI    [1],[3]    [2],[3]  
Gross Purchases 0 [1],[3] 0 [2],[3]  
Gross Sales (3) [1],[3] (210) [2],[3]  
Gross Issuances    [1],[3]    [2],[3]  
Gross Settlements (201) [1],[3] (101) [2],[3]  
Gross Transfers into Level 3 0 [1],[3] 22 [2],[3]  
Gross Transfers out of Level 3 (1) [1],[3] 0 [2],[3]  
Balance, ending 736 [1],[3] 2,405 [2],[3]  
Other Assets [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance, beginning 1,669 [1],[7] 3,129 [2],[8]  
Gains (Losses) in Earnings (60) [1],[7] (448) [2],[8]  
Gains (Losses) in OCI    [1],[7]    [2],[8]  
Gross Purchases 0 [1],[7] 17 [2],[8]  
Gross Sales (269) [1],[7] (27) [2],[8]  
Gross Issuances    [1],[7]    [2],[8]  
Gross Settlements (208) [1],[7] (42) [2],[8]  
Gross Transfers into Level 3    [1],[7]    [2],[8]  
Gross Transfers out of Level 3 0 [1],[7]    [2],[8]  
Balance, ending 1,132 [1],[7] 2,629 [2],[8]  
Recurring [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Derivative assets 45,302 [9]   47,495 [10]
Derivative liabilities 36,911 [9]   37,407 [10]
Recurring [Member] | Level 3 [Member]
      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Derivative assets 6,908 [9] 8,011 [9] 7,277 [10]
Derivative liabilities $ 7,483 [9] $ 6,948 [9] $ 7,301 [10]
[1] Assets (liabilities). For assets, increase (decrease) to Level 3 and for liabilities, (increase) decrease to Level 3.
[2] Assets (liabilities). For assets, increase (decrease) to Level 3 and for liabilities, (increase) decrease to Level 3.
[3] Amounts represent instruments that are accounted for under the fair value option.
[4] Net derivatives include derivative assets of $6.9 billion and derivative liabilities of $7.5 billion
[5] Net derivatives include derivative assets of $8.0 billion and derivative liabilities of $6.9 billion.
[6] Issuances represent loan originations and mortgage servicing rights retained following securitizations or whole-loan sales.
[7] (5) Other assets is primarily comprised of private equity investments and certain long-term fixed-rate margin loans that are accounted for under the fair value option.
[8] Other assets is primarily comprised of net monoline exposure to a single counterparty and private equity investments.
[9] For further disaggregation of derivative assets and liabilities, see Note 2 – Derivatives.
[10] For further disaggregation of derivative assets and liabilities, see Note 2 – Derivatives