Derivative Instruments (Gains (Losses) On Derivative Instruments Recorded Within Income (Loss) From Continuing Operations) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Gains (losses)
Gains (losses)	$ (443)		$ (176)
Designated as Hedging Instrument [Member] | Cash Flow Hedges [Member]
Gains (losses)
Gains (losses)	2		(7)
Designated as Hedging Instrument [Member] | Fair Value Hedges [Member]
Gains (losses)
Gains (losses)	(228)		9
Designated as Hedging Instrument [Member] | Net Investment Income [Member] | Cash Flow Hedges [Member] | Interest Rate Contract [Member]
Gains (losses)
Gains (losses)			(7)	[1]
Designated as Hedging Instrument [Member] | Net Investment Income [Member] | Cash Flow Hedges [Member] | Foreign Currency Contract [Member]
Gains (losses)
Gains (losses)	2	[1]
Designated as Hedging Instrument [Member] | Net Investment Income [Member] | Fair Value Hedges [Member] | Interest Rate Contract [Member]
Gains (losses)
Gains (losses)	(7)	[1]
Designated as Hedging Instrument [Member] | Interest Expense [Member] | Fair Value Hedges [Member] | Interest Rate Contract [Member]
Gains (losses)
Gains (losses)	9	[2]	9	[2]
Designated as Hedging Instrument [Member] | Realized Gain (Loss) [Member] | Fair Value Hedges [Member] | Interest Rate Contract [Member]
Gains (losses)
Gains (losses)	(230)	[3]
Derivative Instruments Not Designated And Not Qualifying As Hedging Instruments [Member] | Realized Gain (Loss) [Member] | Interest Rate Contract [Member]
Gains (losses)
Gains (losses)	441	[3]	332	[3]
Derivative Instruments Not Designated And Not Qualifying As Hedging Instruments [Member] | Realized Gain (Loss) [Member] | Foreign Currency Contract [Member]
Gains (losses)
Gains (losses)	(1)	[3]	1	[3]
Derivative Instruments Not Designated And Not Qualifying As Hedging Instruments [Member] | Realized Gain (Loss) [Member] | Equity Market Contract [Member]
Gains (losses)
Gains (losses)	(231)	[3]	(155)	[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)	(378)	[3]	(281)	[3]
Derivative Instruments Not Designated And Not Qualifying As Hedging Instruments [Member] | Realized Gain (Loss) [Member] | Reinsurance Related [Member]
Gains (losses)
Gains (losses)	(15)	[3]	(27)	[3]
Derivative Instruments Not Designated And Not Qualifying As Hedging Instruments [Member] | Realized Gain (Loss) [Member] | Indexed Annuity and IUL Contracts [Member]
Gains (losses)
Gains (losses)	(38)	[3]	(49)	[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)	$ 5	[4]	$ 1	[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).