Investments (Realized Gain (Loss) Related To Certain Investments) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Realized gain (loss) related to certain investments
Gain (loss) on other investments			$ (1)
Associated amortization expense of DAC, VOBA, DSI and DFEL and changes in other contract holder funds	(7)		(7)
Total realized gain (loss) related to certain investments	(5)	[1]	(14)	[1]
Fixed Maturity AFS Securities [Member]
Realized gain (loss) related to certain investments
AFS securities. Gross gains	8		7
AFS securities. Gross losses	(6)		(19)
Equity AFS and trading securities [Member]
Realized gain (loss) related to certain investments
AFS securities. Gross gains			$ 6

[1] See “Realized Gain (Loss) Related to Certain Investments” section in Note 4.