|
Securitizations and Other Variable Interest Entities - CDO Vehicle (Details) (USD $)
|
Jun. 30, 2012
|
Dec. 31, 2011
|
Jun. 30, 2011
|
|---|---|---|---|
| On Balance Sheet Assets [Abstract] | |||
| Derivative assets | $ 59,939,000,000 | $ 73,023,000,000 | |
| AFS Debt Securities | 300,049,000,000 | 276,151,000,000 | |
| Other Assets | 146,172,000,000 | 145,686,000,000 | |
| Total assets | 2,160,854,000,000 | 2,129,046,000,000 | 2,261,319,000,000 |
| On Balance Sheet Liabilities [Abstract] | |||
| Derivative Liabilities | 51,515,000,000 | 59,520,000,000 | |
| Long-term debt | 301,848,000,000 | 372,265,000,000 | |
| Total liabilities | 1,924,879,000,000 | 1,898,945,000,000 | |
|
Collateralized Debt Obligations [Member]
|
|||
| Variable Interest Entity [Line Items] | |||
| Maximum loss exposure | 4,369,000,000 | 3,967,000,000 | |
| On Balance Sheet Assets [Abstract] | |||
| Trading account assets | 2,600,000,000 | 1,853,000,000 | |
| Derivative assets | 714,000,000 | 1,130,000,000 | |
| Other Assets | 83,000,000 | 96,000,000 | |
| Total assets | 3,397,000,000 | 3,079,000,000 | |
| On Balance Sheet Liabilities [Abstract] | |||
| Derivative Liabilities | 6,000,000 | 11,000,000 | |
| Long-term debt | 2,869,000,000 | 2,714,000,000 | |
| Total liabilities | 2,875,000,000 | 2,725,000,000 | |
| Total assets of VIEs | 32,682,000,000 | 34,747,000,000 | |
| In Text Details [Abstract] | |||
| Notional Amount Of Liquidity Exposure | 1,700,000,000 | ||
|
Consolidated VIEs [Member]
|
|||
| On Balance Sheet Assets [Abstract] | |||
| Derivative assets | 1,007,000,000 | 1,634,000,000 | |
| Other Assets | 4,113,000,000 | 4,769,000,000 | |
| Total assets | 140,094,000,000 | 151,761,000,000 | |
| On Balance Sheet Liabilities [Abstract] | |||
| Long-term debt | 38,456,000,000 | 49,054,000,000 | |
| Total liabilities | 44,066,000,000 | 55,947,000,000 | |
|
Consolidated VIEs [Member] | Collateralized Debt Obligations [Member]
|
|||
| Variable Interest Entity [Line Items] | |||
| Maximum loss exposure | 2,178,000,000 | 1,695,000,000 | |
| On Balance Sheet Assets [Abstract] | |||
| Trading account assets | 1,964,000,000 | 1,392,000,000 | |
| Derivative assets | 214,000,000 | 452,000,000 | |
| Other Assets | 0 | 0 | |
| Total assets | 2,178,000,000 | 1,844,000,000 | |
| On Balance Sheet Liabilities [Abstract] | |||
| Derivative Liabilities | 0 | 0 | |
| Long-term debt | 2,867,000,000 | 2,712,000,000 | |
| Total liabilities | 2,867,000,000 | 2,712,000,000 | |
| Consolidated, Total assets of VIEs | 2,178,000,000 | 1,844,000,000 | |
|
Unconsolidated VIEs [Member] | Collateralized Debt Obligations [Member]
|
|||
| Variable Interest Entity [Line Items] | |||
| Maximum loss exposure | 2,191,000,000 | 2,272,000,000 | |
| On Balance Sheet Assets [Abstract] | |||
| Trading account assets | 636,000,000 | 461,000,000 | |
| Derivative assets | 500,000,000 | 678,000,000 | |
| Other Assets | 83,000,000 | 96,000,000 | |
| Total assets | 1,219,000,000 | 1,235,000,000 | |
| On Balance Sheet Liabilities [Abstract] | |||
| Derivative Liabilities | 6,000,000 | 11,000,000 | |
| Long-term debt | 2,000,000 | 2,000,000 | |
| Total liabilities | 8,000,000 | 13,000,000 | |
| Unconsolidated, Total assets of VIEs | 30,504,000,000 | 32,903,000,000 | |
|
Super Senior Collateralized Debt Obligation [Member] | Collateralized Debt Obligations [Member]
|
|||
| Variable Interest Entity [Line Items] | |||
| Maximum loss exposure | 209,000,000 | ||
| In Text Details [Abstract] | |||
| Notional Amount Of Liquidity Exposure | 135,000,000 | ||
|
Collateralized Debt Obligation Financing Facilities [Member] | Collateralized Debt Obligations [Member]
|
|||
| Variable Interest Entity [Line Items] | |||
| Maximum loss exposure | 2,200,000,000 | ||
| In Text Details [Abstract] | |||
| C D O Financing Facilities Long Term Debt | 2,900,000,000 | ||
|
Non-Super Senior Collateralized Debt Obligation [Member] | Collateralized Debt Obligations [Member]
|
|||
| Variable Interest Entity [Line Items] | |||
| Maximum loss exposure | 2,000,000,000 | ||
| In Text Details [Abstract] | |||
| Notional Amount Of Liquidity Exposure | $ 1,600,000,000 |