Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Gains and Losses (Details)

v2.4.0.8
Fair Value Measurements - Gains and Losses (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total $ (83) $ 675
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Total (497) 220
Corporate securities and other [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in Unrealized Gains (losses) relating to liabilities still held at reporting date 1  
Corporate securities, trading loans and other [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Liabilities 1 [1]  
Accrued expenses and other liabilities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Liabilities 1 [1],[2] 29 [2],[3]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in Unrealized Gains (losses) relating to liabilities still held at reporting date 1 [2] 25 [2]
Long-term debt [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Liabilities (67) [1],[2] 11 [2],[3]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in Unrealized Gains (losses) relating to liabilities still held at reporting date (67) [2] 10 [2]
Corporate securities, trading loans and other [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 122 [1] 88 [3]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 111 48
Equity Securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 19 [1] 42 [3]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 17 33
Foreign Government Debt Securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 55 [1] 51 [3]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 55 51
Mortgage trading loans and asset-backed securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 78 [1] 162 [3]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 16 89
Trading Securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 274 [1] 343 [3]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 199 221
Derivative assets [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 5 [1],[4] 293 [3],[5]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date (168) 77
Tax-exempt securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 1 [1] 1 [3]
Available-for-sale debt securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 9 [1] 1 [3]
Loans and leases [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 32 [1],[2],[6] 51 [2],[3],[6]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 28 [2] 43 [2]
Servicing Contracts [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets (290) [1],[6] 434 [3],[6]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date (473)  
Mortgage servicing rights [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date   336
Loans Held-for-Sale [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 12 [1],[2] (39) [2],[3]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 4 [2] (42) [2]
Other Assets [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets (60) [1],[7] (448) [3],[8]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date (22) (450)
Foreign Corporate Debt Securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets    [1]  
Other taxable securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 8 [1]  
Trading Account Profits (Losses) [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total 49 251
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Total (70) 73
Trading Account Profits (Losses) [Member] | Corporate securities and other [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in Unrealized Gains (losses) relating to liabilities still held at reporting date 1  
Trading Account Profits (Losses) [Member] | Corporate securities, trading loans and other [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Liabilities 1  
Trading Account Profits (Losses) [Member] | Accrued expenses and other liabilities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Liabilities    [2]    [2]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in Unrealized Gains (losses) relating to liabilities still held at reporting date    [2] 0 [2]
Trading Account Profits (Losses) [Member] | Long-term debt [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Liabilities (53) [2] 22 [2]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in Unrealized Gains (losses) relating to liabilities still held at reporting date (53) [2] 21 [2]
Trading Account Profits (Losses) [Member] | Corporate securities, trading loans and other [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 122 88
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 111 48
Trading Account Profits (Losses) [Member] | Equity Securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 19 42
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 17 33
Trading Account Profits (Losses) [Member] | Foreign Government Debt Securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 55 51
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 55 51
Trading Account Profits (Losses) [Member] | Mortgage trading loans and asset-backed securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 78 162
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 16 89
Trading Account Profits (Losses) [Member] | Trading Securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 274 343
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 199 221
Trading Account Profits (Losses) [Member] | Derivative assets [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets (168) (114)
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date (212) (169)
Trading Account Profits (Losses) [Member] | Loans and leases [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date    [2]    [2]
Trading Account Profits (Losses) [Member] | Servicing Contracts [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets (5)  
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date (5)  
Trading Account Profits (Losses) [Member] | Mortgage servicing rights [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date     
Trading Account Profits (Losses) [Member] | Loans Held-for-Sale [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date    [2]    [2]
Trading Account Profits (Losses) [Member] | Other Assets [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date      
Trading Account Profits (Losses) [Member] | Other taxable securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 0  
Mortgage Banking Income (Loss) [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total (148) [9] 871 [9]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Total (452) [10] 629 [10]
Mortgage Banking Income (Loss) [Member] | Corporate securities and other [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in Unrealized Gains (losses) relating to liabilities still held at reporting date 0 [10]  
Mortgage Banking Income (Loss) [Member] | Corporate securities, trading loans and other [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Liabilities 0 [9]  
Mortgage Banking Income (Loss) [Member] | Accrued expenses and other liabilities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Liabilities    [2],[9] 29 [2],[9]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in Unrealized Gains (losses) relating to liabilities still held at reporting date    [10],[2] 25 [10],[2]
Mortgage Banking Income (Loss) [Member] | Long-term debt [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in Unrealized Gains (losses) relating to liabilities still held at reporting date    [10],[2]    [10],[2]
Mortgage Banking Income (Loss) [Member] | Corporate securities, trading loans and other [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 0 [10]    [10]
Mortgage Banking Income (Loss) [Member] | Equity Securities [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 0 [10]    [10]
Mortgage Banking Income (Loss) [Member] | Foreign Government Debt Securities [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 0 [10]    [10]
Mortgage Banking Income (Loss) [Member] | Mortgage trading loans and asset-backed securities [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 0 [10]    [10]
Mortgage Banking Income (Loss) [Member] | Trading Securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 0 [9] 0 [9]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 0 [10] 0 [10]
Mortgage Banking Income (Loss) [Member] | Derivative assets [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 173 [9] 407 [9]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 44 [10] 246 [10]
Mortgage Banking Income (Loss) [Member] | Loans and leases [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 0 [10],[2]    [10],[2]
Mortgage Banking Income (Loss) [Member] | Servicing Contracts [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets (285) [9] 434 [9]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date (468) [10]  
Mortgage Banking Income (Loss) [Member] | Mortgage servicing rights [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date   336 [10]
Mortgage Banking Income (Loss) [Member] | Loans Held-for-Sale [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 0 [2],[9] 4 [2],[9]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 0 [10],[2] 10 [10],[2]
Mortgage Banking Income (Loss) [Member] | Other Assets [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets (36) [9] (3) [9]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date (28) [10] 12 [10]
Mortgage Banking Income (Loss) [Member] | Other taxable securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 0 [9]  
Other Income (loss) [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total 16 [11] (447) [11]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Total 25 [12] (482) [12]
Other Income (loss) [Member] | Corporate securities and other [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in Unrealized Gains (losses) relating to liabilities still held at reporting date 0 [12]  
Other Income (loss) [Member] | Corporate securities, trading loans and other [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Liabilities 0 [11]  
Other Income (loss) [Member] | Accrued expenses and other liabilities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Liabilities 1 [11],[2] 0 [11],[2]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in Unrealized Gains (losses) relating to liabilities still held at reporting date 1 [12],[2] 0 [12],[2]
Other Income (loss) [Member] | Long-term debt [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Liabilities (14) [11],[2] (11) [11],[2]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in Unrealized Gains (losses) relating to liabilities still held at reporting date (14) [12],[2] (11) [12],[2]
Other Income (loss) [Member] | Corporate securities, trading loans and other [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date    [12]    [12]
Other Income (loss) [Member] | Equity Securities [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date    [12]    [12]
Other Income (loss) [Member] | Foreign Government Debt Securities [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date    [12]    [12]
Other Income (loss) [Member] | Mortgage trading loans and asset-backed securities [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date    [12]    [12]
Other Income (loss) [Member] | Trading Securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 0 [11] 0 [11]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 0 [12] 0 [12]
Other Income (loss) [Member] | Derivative assets [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date    [12]    [12]
Other Income (loss) [Member] | Tax-exempt securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 1 [11] 1 [11]
Other Income (loss) [Member] | Available-for-sale debt securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 9 [11]  
Other Income (loss) [Member] | Loans and leases [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 32 [11],[2] 51 [11],[2]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 28 [12],[2] 43 [12],[2]
Other Income (loss) [Member] | Servicing Contracts [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 0 [12]  
Other Income (loss) [Member] | Mortgage servicing rights [Member]
   
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date      [12]
Other Income (loss) [Member] | Loans Held-for-Sale [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 12 [11],[2] (43) [11],[2]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 4 [12],[2] (52) [12],[2]
Other Income (loss) [Member] | Other Assets [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets (24) [11] (445) [11]
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date 6 [12] (462) [12]
Other Income (loss) [Member] | Other taxable securities [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets 8 [11]  
Equity investments [Member] | Other Assets [Member]
   
Level 3 Total Realized and Unrealized Gains (Losses) Related to Assets Included in Earnings    
Total Realized and Unrealized Gains (losses) included in Earnings, Assets (23) 2
Level 3 Changes in Unrealized Gains (Losses) Relating to Assets Still Held at Reporting Date    
Change in unrealized Gains (losses) relating to assets still held at reporting date $ 9 $ (15)
[1] Assets (liabilities). For assets, increase (decrease) to Level 3 and for liabilities, (increase) decrease to Level 3.
[2] Amounts represent instruments that are accounted for under the fair value option.
[3] Assets (liabilities). For assets, increase (decrease) to Level 3 and for liabilities, (increase) decrease to Level 3.
[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] Mortgage banking income (loss) does not reflect the impact of Level 1 and Level 2 hedges on MSRs.
[10] Mortgage banking income does not reflect the impact of Level 1 and Level 2 hedges on MSRs.
[11] Amounts included are primarily recorded in other income (loss). Equity investment losses of $23 million and gains of $2 million recorded on other assets were also included for the three months ended March 31, 2014 and 2013.
[12] Amounts included are primarily recorded in other income (loss). Equity investment gains of $9 million and losses of $15 million recorded on other assets were also included for the three months ended March 31, 2014 and 2013.