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Derivative Instruments (Narrative) (Details) (USD $) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2011 | Dec. 31, 2010
Maximum amount of future guarantee payments | $ 102,500,000,000 |  |  |
Derivatives ceded under reinsurance agreements and capital market transactions | 178,000,000 |  |  |
Fair value of derivative liabilities before counterparty netting | 8,150,000,000 | [1] |  |
Derivative liabilities, Total derivatives | (8,150,000,000) | [1] |  |
Derivative assets after counterparty netting | 687,000,000 |  | 708,000,000 |
Derivative assets and derivative assets - VIE after counterparty netting and embedded reclasses | 683,000,000 |  | 703,000,000 |
Derivative liabilities after counterparty netting |  |  | 6,700,000,000 |
Derivative liabilities and derivative liabilities - VIE after counterparty netting and embedded reclasses | 8,100,000,000 |  |  |
Fair value of securities posted to derivative counterparties | 386,000,000 |  | 452,000,000 |
Fair value of credit support annexes | 3,000,000 |  | 4,000,000 |
Derivative Liabilities [Member] |  |  |  |
Fair value of derivative liabilities before counterparty netting |  |  | 6,798,000,000 | [1]
Derivative liabilities, Total derivatives |  |  | $ (6,798,000,000) | [1]
[1] | In accordance with the accounting guidance for derivative instruments and hedging activities, the balance sheet location of the Company's embedded derivative instruments is determined by the location of the related host contract.

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