Derivative Instruments (Gains (Losses) On Derivative Instruments Recorded Within Income (Loss) From Continuing Operations) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Gains (losses)
Gains (losses)	$ (540)		$ (330)		$ (187)
Designated as Hedging Instrument [Member] | Cash flow hedges
Gains (losses)
Gains (losses)	(22)		(18)		(18)
Designated as Hedging Instrument [Member] | Net Investment Income [Member] | Cash flow hedges | Interest Rate Contract [Member]
Gains (losses)
Gains (losses)	(22)	[1]	(21)	[1]	(21)	[1]
Designated as Hedging Instrument [Member] | Net Investment Income [Member] | Cash flow hedges | Foreign Currency Contract [Member]
Gains (losses)
Gains (losses)			3	[1]	3	[1]
Designated as Hedging Instrument [Member] | Interest Expense [Member] | Fair value hedges | Interest Rate Contract [Member]
Gains (losses)
Gains (losses)	35	[2]	36	[2]	36	[2]
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] | Interest Rate Contract [Member]
Gains (losses)
Gains (losses)	1,303	[3]	(989)	[3]	35	[3]
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] | Foreign Currency Contract [Member]
Gains (losses)
Gains (losses)	(8)	[3]	(4)	[3]	(8)	[3]
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] | Equity Market Contract [Member]
Gains (losses)
Gains (losses)	(215)	[3]	(1,306)	[3]	(1,377)	[3]
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] | Credit Risk Contract [Member]
Gains (losses)
Gains (losses)	(1)	[3]	9	[3]	2	[3]
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] | GLB Embedded Derivative Reserves [Member]
Gains (losses)
Gains (losses)	(1,391)	[3]	2,153	[3]	1,308	[3]
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] | Reinsurance Related [Member]
Gains (losses)
Gains (losses)	(42)	[3]	107	[3]	(47)	[3]
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] | Indexed annuity and IUL contracts embedded derivatives [Member]
Gains (losses)
Gains (losses)	(210)	[3]	(356)	[3]	(136)	[3]
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Commissions and other expenses [Member] | Equity Market Contract [Member]
Gains (losses)
Gains (losses)	$ 11	[4]	$ 38	[4]	$ 18	[4]

[1] Reported in net investment income on our Consolidated Statements of Comprehensive Income (Loss).

[2] Reported in interest and debt expense on our Consolidated Statements of Comprehensive Income (Loss).

[3] Reported in realized gain (loss) on our Consolidated Statements of Comprehensive Income (Loss).

[4] Reported in commissions and other expenses on our Consolidated Statements of Comprehensive Income (Loss).