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Business, Developments, Risks And Uncertainties, Liquidity (Tables) | 12 Months Ended
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Dec. 31, 2011
Business, Developments, Risks And Uncertainties, Liquidity [Abstract] |
Change In Credit Spreads Asset/Liability Products Operations |
|  | 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 |  | $ | 266 |  |  | $ | 75 |  |  | $ | (71 | ) |  | $ | (265 | )

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