Derivative Instruments (Change In Our Unrealized Gain On Derivative Instruments In Accumulated OCI) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014		Jun. 30, 2013
Change in our unrealized gain on derivative instruments in accumulated OCI
Balance as of beginning-of-year			$ 1,563
Federal income tax expense (benefit)	139	101	236		167
Balance as of end-of-period	3,199		3,199
Unrealized Gain (Loss) on Derivative Instruments [Member]
Change in our unrealized gain on derivative instruments in accumulated OCI
Balance as of beginning-of-year			256		163
Change in foreign currency exchange rate adjustment			(11)		18
Change in DAC, VOBA, DSI and DFEL					4
Income tax benefit (expense)			24		(49)
Reclassification adjustment for gains (losses) included in net income (loss)			(10)		(6)
Associated amortization of DAC, VOBA, DSI and DFEL			1		1
Federal income tax expense (benefit)			3		2
Balance as of end-of-period	216	259	216		259
Unrealized Gain (Loss) on Derivative Instruments [Member] | Cash Flow Hedges [Member] | Interest Rate Contract [Member]
Change in our unrealized gain on derivative instruments in accumulated OCI
Unrealized holding gains (losses) arising during the period			(54)		106
Unrealized Gain (Loss) on Derivative Instruments [Member] | Cash Flow Hedges [Member] | Interest Rate Contract [Member] | Net Investment Income [Member]
Change in our unrealized gain on derivative instruments in accumulated OCI
Reclassification adjustment for gains (losses) included in net income (loss)			(12)	[1]	(10)	[1]
Unrealized Gain (Loss) on Derivative Instruments [Member] | Cash Flow Hedges [Member] | Foreign Currency Contract [Member]
Change in our unrealized gain on derivative instruments in accumulated OCI
Unrealized holding gains (losses) arising during the period			(7)		12
Unrealized Gain (Loss) on Derivative Instruments [Member] | Cash Flow Hedges [Member] | Foreign Currency Contract [Member] | Net Investment Income [Member]
Change in our unrealized gain on derivative instruments in accumulated OCI
Reclassification adjustment for gains (losses) included in net income (loss)					2	[1]
Unrealized Gain (Loss) on Derivative Instruments [Member] | Fair Value Hedges [Member] | Interest Rate Contract [Member]
Change in our unrealized gain on derivative instruments in accumulated OCI
Unrealized holding gains (losses) arising during the period			2		2
Unrealized Gain (Loss) on Derivative Instruments [Member] | Fair Value Hedges [Member] | Interest Rate Contract [Member] | Interest Expense [Member]
Change in our unrealized gain on derivative instruments in accumulated OCI
Reclassification adjustment for gains (losses) included in net income (loss)			$ 2	[2]	$ 2	[2]

[1] The OCI offset is reported within net investment income on our Consolidated Statements of Comprehensive Income (Loss).

[2] The OCI offset is reported within interest and debt expense on our Consolidated Statements of Comprehensive Income (Loss).