Realized (Gain) Loss (Details) (USD $) In Millions	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Details underlying realized gain (loss)
Total realized gain (loss) related to certain investments	$ (44)	$ (26)	$ (95)	$ (86)
Realized gain (loss) related to certain derivative instruments, including those associated with our consolidated VIEs, and trading securities	(105)	105	(96)	72
Indexed annuity net derivative results
Gross gain (loss)	(5)	1	3	8
Associated amortization of DAC, VOBA, DSI, and DFEL	1	0	(2)	(3)
Guaranteed living benefits
Gross gain (loss)	(34)	36	26	117
Associated amortization of DAC, VOBA, DSI, and DFEL	4	(27)	(20)	(53)
Guaranteed death benefits
Gross gain (loss)	22	(52)	8	(38)
Associated amortization of DAC, VOBA, DSI, and DFEL	(2)	6	(1)	5
Total realized gain (loss)	$ (163)	$ 43	$ (177)	$ 22

Disclosure in tabular form of the details underlying realized gain (loss) on our Consolidated Statements of Income.

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Represents changes in the fair value of total return swaps (embedded derivatives) related to various modified coinsurance and coinsurance with funds withheld reinsurance arrangements that have contractual returns related to various assets and liabilities associated with these arrangements. Changes in the fair value of these derivatives are offset by the change in fair value of trading securities in the portfolios that support these arrangements.

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Amortization income (expense) of deferred acquisition costs, value of business acquired, deferred sales inducements and deferred front-end loads associated with gross gains (losses) on guaranteed death benefits.

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Represents the change in the fair value of the derivatives used to hedger our guaranteed death benefit riders.

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Represents the net difference in the change in embedded derivative reserves of our guaranteed living benefit products and the change in the fair value of the derivative instruments we own to hedge, including the cost of purchasing the hedging instruments.

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Represents the net difference between the change in the fair value of the S and P 500 Index call options that we hold and the change in the fair value of the embedded derivative liabilities of our indexed annuity products along with changes in the fair value of embedded derivative liabilities related to index call options we may purchase in the future to hedge contract holder index allocations applicable to future reset periods for our indexed annuity products.

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The realized gains and losses from the sale of investments, derivative and embedded derivative gains and losses, gains and losses on the sale of subsidiaries and businesses and net gains and losses on reinsurance embedded derivative and trading securities on modified coinsurance and coinsurance funds withheld reinsurance arrangements, and the net other-than-temporary impairment losses on securities that are recognized in earnings that relate to credit losses.

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This item represents the net realized gain (loss) included in earnings for the period related to certain investments.

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