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Business Developments, Risks And Uncertainties, And Liquidity (Tables) | 3 Months Ended
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Mar. 31, 2012
Business Developments, Risks And Uncertainties, And Liquidity [Abstract] |
Change In Credit Spreads (Asset/Liability Products Business) |
|  | Change in Credit Spreads (Asset/Liability Products Business) |
In millions |  | 200 Basis Point Decrease |  |  | 50 Basis Point Decrease |  |  | 50 Basis Point Increase |  |  | 200 Basis Point Increase |
Estimated change in fair value |  | $ | 210 |  |  | $ | 67 |  |  | $ | (64) |  |  | $ | (233) |

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- Definition Asset Liability Products Credit Spread Sensitivity [Table Text Block] + References No definition available. + Details
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