Investments (Realized Gain (Loss) Related To Certain Investments) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Realized gain (loss) related to certain investments
Gain (loss) on other investments	$ (3)		$ 2		$ (9)
Associated amortization expense of DAC, VOBA, DSI and DFEL and changes in other contract holder funds	(28)		2		(10)
Total realized gain (loss) related to certain investments	(98)	[1]	(190)	[1]	(148)	[1]
Fixed maturity securities [Member]
Realized gain (loss) related to certain investments
AFS securities. Gross gains	21		16		86
AFS securities. Gross losses	(94)		(202)		(227)
Equity securities [Member]
Realized gain (loss) related to certain investments
AFS securities. Gross gains	8		1		12
AFS securities. Gross losses	$ (2)		$ (9)

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