Investments (Realized Gain (Loss) Related To Certain Investments) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013		Sep. 30, 2014		Sep. 30, 2013
Realized gain (loss) related to certain investments
Gain (loss) on other investments			$ (2)		$ 3		$ (3)
Associated amortization expense of DAC, VOBA, DSI and DFEL and changes in other contract holder funds	(7)		(8)		(24)		(19)
Total realized gain (loss) related to certain investments	(7)	[1]	(33)	[1]	(11)	[1]	(73)	[1]
Equity AFS Securities [Member]
Realized gain (loss) related to certain investments
AFS securities. Gross gains	2		1		5		7
AFS securities. Gross losses			(1)				(2)
Fixed Maturity AFS Securities [Member]
Realized gain (loss) related to certain investments
AFS securities. Gross gains	4		5		23		17
AFS securities. Gross losses	$ (6)		$ (28)		$ (18)		$ (73)

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