v2.4.0.6
Derivative Instruments aand Hedging Activities (Fair Value of Derivative Instruments Designated and Not Designated as Accounting Hedges by Type of Derivative Contract on a Gross Basis) (Details) (USD $)
Jun. 30, 2012
Dec. 31, 2011
Derivatives, Fair Value    
Derivative assets $ 34,343,000,000 $ 48,064,000,000
Total derivative assets 1,106,075,000,000 1,200,673,000,000
Derivative assets, cash collateral netting (75,370,000,000) (77,938,000,000)
Derivative assets, counterparty netting (996,362,000,000) (1,074,671,000,000)
Derivative asset, fair value, amount not offset against collateral 34,343,000,000 48,064,000,000
Derivative liabilities 34,935,000,000 46,453,000,000
Total derivative liabilities 1,078,152,000,000 1,166,060,000,000
Derivative liabilities, cash collateral netting (46,855,000,000) (44,936,000,000)
Derivative liabilities, counterparty netting (996,362,000,000) (1,074,671,000,000)
Derivative liability, fair value, amount not offset against collateral 34,935,000,000 46,453,000,000
Derivatives, Notional Amount    
Derivative assets, notional amount 24,207,984,000,000 26,259,404,000,000
Derivative liabilities, notional amount 24,176,504,000,000 26,040,024,000,000
Receivables
    
Derivatives, Notional Amount    
Variation margin 445,000,000 605,000,000
Payables
    
Derivatives, Notional Amount    
Variation margin 150,000,000 37,000,000
Designated as Accounting Hedges
    
Derivatives, Fair Value    
Derivative assets 8,835,000,000 8,499,000,000
Derivative liabilities 147,000,000 57,000,000
Derivatives, Notional Amount    
Derivative assets, notional amount 82,154,000,000 83,928,000,000
Derivative liabilities, notional amount 12,581,000,000 7,111,000,000
Designated as Accounting Hedges | Interest Rate Contracts
    
Derivatives, Fair Value    
Derivative assets 8,518,000,000 8,151,000,000
Derivative liabilities 0 0
Derivatives, Notional Amount    
Derivative assets, notional amount 72,810,000,000 71,706,000,000
Derivative liabilities, notional amount 0 0
Designated as Accounting Hedges | Foreign Exchange Contracts
    
Derivatives, Fair Value    
Derivative assets 317,000,000 348,000,000
Derivative liabilities 147,000,000 57,000,000
Derivatives, Notional Amount    
Derivative assets, notional amount 9,344,000,000 12,222,000,000
Derivative liabilities, notional amount 12,581,000,000 7,111,000,000
Not Designated as Accounting Hedges
    
Derivatives, Fair Value    
Derivative assets 1,097,240,000,000 [1] 1,192,174,000,000 [2]
Derivative liabilities 1,078,005,000,000 [1] 1,166,003,000,000 [2]
Derivatives, Notional Amount    
Derivative assets, notional amount 24,125,830,000,000 [1] 26,175,476,000,000 [2]
Derivative liabilities, notional amount 24,163,923,000,000 [1] 26,032,913,000,000 [2]
Not Designated as Accounting Hedges | Interest Rate Contracts
    
Derivatives, Fair Value    
Derivative assets 867,321,000,000 [1] 904,725,000,000 [2]
Derivative liabilities 845,668,000,000 [1] 880,027,000,000 [2]
Derivatives, Notional Amount    
Derivative assets, notional amount 19,052,076,000,000 [1] 21,099,876,000,000 [2]
Derivative liabilities, notional amount 19,100,997,000,000 [1] 21,005,733,000,000 [2]
Not Designated as Accounting Hedges | Foreign Exchange Contracts
    
Derivatives, Fair Value    
Derivative assets 49,907,000,000 [1] 61,995,000,000 [2]
Derivative liabilities 53,477,000,000 [1] 64,691,000,000 [2]
Derivatives, Notional Amount    
Derivative assets, notional amount 1,814,083,000,000 [1] 1,582,364,000,000 [2]
Derivative liabilities, notional amount 1,892,732,000,000 [1] 1,604,493,000,000 [2]
Not Designated as Accounting Hedges | Credit Derivative Contracts
    
Derivatives, Fair Value    
Derivative assets 101,464,000,000 [1] 138,791,000,000 [2]
Derivative liabilities 96,216,000,000 [1] 130,726,000,000 [2]
Derivatives, Notional Amount    
Derivative assets, notional amount 2,175,722,000,000 [1] 2,466,623,000,000 [2]
Derivative liabilities, notional amount 2,126,827,000,000 [1] 2,428,042,000,000 [2]
Not Designated as Accounting Hedges | Equity Contracts
    
Derivatives, Fair Value    
Derivative assets 44,905,000,000 [1] 46,287,000,000 [2]
Derivative liabilities 49,038,000,000 [1] 48,286,000,000 [2]
Derivatives, Notional Amount    
Derivative assets, notional amount 671,162,000,000 [1] 603,290,000,000 [2]
Derivative liabilities, notional amount 654,605,000,000 [1] 595,146,000,000 [2]
Not Designated as Accounting Hedges | Commodity Contracts
    
Derivatives, Fair Value    
Derivative assets 33,517,000,000 [1] 39,778,000,000 [2]
Derivative liabilities 33,536,000,000 [1] 39,998,000,000 [2]
Derivatives, Notional Amount    
Derivative assets, notional amount 410,648,000,000 [1] 411,661,000,000 [2]
Derivative liabilities, notional amount 384,360,000,000 [1] 374,594,000,000 [2]
Not Designated as Accounting Hedges | Other Contracts
    
Derivatives, Fair Value    
Derivative assets 126,000,000 [1] 598,000,000 [2]
Derivative liabilities 70,000,000 [1] 2,275,000,000 [2]
Derivatives, Notional Amount    
Derivative assets, notional amount 2,139,000,000 [1] 11,662,000,000 [2]
Derivative liabilities, notional amount 4,402,000,000 [1] 24,905,000,000 [2]
Not Designated as Accounting Hedges | Long Futures Contract
    
Derivatives, Notional Amount    
Net notionals 77,000,000,000 77,000,000,000
Not Designated as Accounting Hedges | Short Futures Contract
    
Derivatives, Notional Amount    
Net notionals $ 67,000,000,000 $ 66,000,000,000
[1] Notional amounts include gross notionals related to open long and short futures contracts of $77 billion and $67 billion, respectively. The unsettled fair value on these futures contracts (excluded from the table above) of $445 million and $150 million is included in Receivables—Brokers, dealers and clearing organizations and Payables—Brokers, dealers and clearing organizations, respectively, on the condensed consolidated statements of financial condition.
[2] Notional amounts include gross notionals related to open long and short futures contracts of $77 billion and $66 billion, respectively. The unsettled fair value on these futures contracts (excluded from the table above) of $605 million and $37 million is included in Receivables—Brokers, dealers and clearing organizations and Payables—Brokers, dealers and clearing organizations, respectively, on the condensed consolidated statements of financial condition.