Derivative Instruments (Gains (Losses) On Derivative Instruments Recorded Within Income (Loss) From Continuing Operations) (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
Gains (losses)
Gains (losses)	$ (103)		$ (18)		$ (208)		$ (162)
Designated as Hedging Instrument [Member] | Cash Flow Hedges [Member]
Gains (losses)
Gains (losses)	(5)		(4)		(15)		(13)
Designated as Hedging Instrument [Member] | Net Investment Income [Member] | Cash Flow Hedges [Member] | Interest Rate Contract [Member]
Gains (losses)
Gains (losses)	(7)	[1]	(6)	[1]	(17)	[1]	(17)	[1]
Designated as Hedging Instrument [Member] | Net Investment Income [Member] | Cash Flow Hedges [Member] | Foreign Currency Contract [Member]
Gains (losses)
Gains (losses)	2	[1]	2	[1]	2	[1]	4	[1]
Designated as Hedging Instrument [Member] | Interest Expense [Member] | Fair Value Hedges [Member] | Interest Rate Contract [Member]
Gains (losses)
Gains (losses)	9	[2]	5	[2]	26	[2]	28	[2]
Derivative Instruments Not Designated And Not Qualifying As Hedging Instruments [Member] | Realized Gain (Loss) [Member] | Interest Rate Contract [Member]
Gains (losses)
Gains (losses)	(113)	[3]	(6)	[3]	(775)	[3]	183	[3]
Derivative Instruments Not Designated And Not Qualifying As Hedging Instruments [Member] | Realized Gain (Loss) [Member] | Foreign Currency Contract [Member]
Gains (losses)
Gains (losses)	6	[3]	(4)	[3]	(7)	[3]	(8)	[3]
Derivative Instruments Not Designated And Not Qualifying As Hedging Instruments [Member] | Realized Gain (Loss) [Member] | Equity Market Contract [Member]
Gains (losses)
Gains (losses)	(381)	[3]	(343)	[3]	(959)	[3]	(773)	[3]
Derivative Instruments Not Designated And Not Qualifying As Hedging Instruments [Member] | Realized Gain (Loss) [Member] | Credit Risk Contract [Member]
Gains (losses)
Gains (losses)	4	[3]	(7)	[3]	7	[3]	(3)	[3]
Derivative Instruments Not Designated And Not Qualifying As Hedging Instruments [Member] | Realized Gain (Loss) [Member] | Indexed Annuity and Universal Life Contracts Embedded Derivatives [Member]
Gains (losses)
Gains (losses)	(63)	[3]	(63)	[3]	(225)	[3]	(143)	[3]
Derivative Instruments Not Designated And Not Qualifying As Hedging Instruments [Member] | Realized Gain (Loss) [Member] | GLB Embedded Derivative Reserves [Member]
Gains (losses)
Gains (losses)	419	[3]	570	[3]	1,620	[3]	861	[3]
Derivative Instruments Not Designated And Not Qualifying As Hedging Instruments [Member] | Realized Gain (Loss) [Member] | Reinsurance Related [Member]
Gains (losses)
Gains (losses)	10	[3]	(30)	[3]	94	[3]	(48)	[3]
Derivative Instruments Not Designated And Not Qualifying As Hedging Instruments [Member] | Commissions and other expenses [Member] | Equity Market Contract [Member]
Gains (losses)
Gains (losses)	$ 11	[4]	$ (136)	[4]	$ 26	[4]	$ (246)	[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).