Derivative Instruments (Gains (Losses) On Derivative Instruments Recorded Within Income (Loss) From Continuing Operations) (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Gains (losses)
Gains (losses)		$ (382)	$ (443)
Designated as Hedging Instrument [Member] | Cash flow hedges
Gains (losses)
Gains (losses)		7	2
Designated as Hedging Instrument [Member] | Fair value hedges
Gains (losses)
Gains (losses)		(53)	(228)
Designated as Hedging Instrument [Member] | Net Investment Income [Member] | Cash flow hedges | Interest rate contracts [Member]
Gains (losses)
Gains (losses)	[1]	1
Designated as Hedging Instrument [Member] | Net Investment Income [Member] | Cash flow hedges | Foreign currency contracts [Member]
Gains (losses)
Gains (losses)	[1]	2	2
Designated as Hedging Instrument [Member] | Net Investment Income [Member] | Fair value hedges | Interest rate contracts [Member]
Gains (losses)
Gains (losses)	[1]	(8)	(7)
Designated as Hedging Instrument [Member] | Realized Gain (Loss) [Member] | Cash flow hedges | Foreign currency contracts [Member]
Gains (losses)
Gains (losses)	[2]	4
Designated as Hedging Instrument [Member] | Realized Gain (Loss) [Member] | Fair value hedges | Interest rate contracts [Member]
Gains (losses)
Gains (losses)	[2]	(53)	(230)
Designated as Hedging Instrument [Member] | Interest and Debt Expense [Member] | Fair value hedges | Interest rate contracts [Member]
Gains (losses)
Gains (losses)	[3]	8	9
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] | Interest rate contracts [Member]
Gains (losses)
Gains (losses)	[2]	975	441
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] | Foreign currency contracts [Member]
Gains (losses)
Gains (losses)	[2]	4	(1)
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] | Equity market contracts [Member]
Gains (losses)
Gains (losses)	[2]	(330)	(231)
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] | Credit contracts [Member]
Gains (losses)
Gains (losses)	[2]	(3)
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] | Embedded derivatives - GLB reserves [Member]
Gains (losses)
Gains (losses)	[2]	(963)	(378)
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Realized Gain (Loss) [Member] | Embedded derivatives - Reinsurance related [Member]
Gains (losses)
Gains (losses)	[2]	(24)	(15)
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)	[2]	6	(38)
Derivative Instruments Not Designated and Not Qualifying as Hedging Instruments | Commissions and other expenses [Member] | Equity market contracts [Member]
Gains (losses)
Gains (losses)	[4]	$ (1)	$ 5

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

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

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

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