Realized (Gain) Loss (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Details underlying realized gain (loss)
Total realized gain loss related to certain investments	$ (33)	[1]	$ (54)	[1]	$ (73)	[1]	$ (153)	[1]
Realized gain (loss) on the mark-to-market on certain instruments	21	[2]	59	[2]	21	[2]	99	[2]
Indexed annuity and universal life net derivative results:
Gross gain (loss)	(12)	[3]	(5)	[3]	(25)	[3]	14	[3]
Associated amortization of DAC, VOBA, DSI, and DFEL	3	[3]			5	[3]	(6)	[3]
Variable annuity net derivatives results:
Gross gain (loss)	(4)	[4]	92	[4]	(29)	[4]	107	[4]
Associated amortization of DAC, VOBA, DSI, and DFEL	(3)	[4]	(22)	[4]	(4)	[4]	(33)	[4]
Total realized gain (loss)	$ (28)		$ 70		$ (105)		$ 28

[1] See “Realized Gain (Loss) Related to Certain Investments” section in Note 5.

[2] Represents changes in the fair values of certain derivative investments (not including those associated with our variable annuity net derivatives results), reinsurance related embedded derivatives and trading securities.

[3] Represents the net difference between the change in the fair value of the S&P 500 call options that we hold and the change in the fair value of the embedded derivative liabilities of our indexed annuity and universal life 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.Includes the net difference in the change in embedded derivative reserves of our GLB products and the change in the fair value of the derivative instruments we own to hedge GDB and GLB products, including the cost of purchasing the hedging instruments.

[4] Includes the net difference in the change in embedded derivative reserves of our GLB products and the change in the fair value of the derivative instruments we own to hedge GDB and GLB products, including the cost of purchasing the hedging instruments.