Derivative Instruments (Change In Our Unrealized Gain On Derivative Instruments In Accumulated OCI) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 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)	98		66
Balance as of end-of-period	2,453
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	(2)		11
Change in DAC, VOBA, DSI and DFEL			2
Income tax benefit (expense)	11		(22)
Reclassification adjustment for gains (losses) included in net income (loss)	(6)		(2)
Associated amortization of DAC, VOBA, DSI and DFEL			1
Federal income tax expense (benefit)	2
Income tax benefit (expense)	2
Balance as of end-of-period	239		203
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 year	(29)		34
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)	(7)	[1]	(5)	[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 year	(2)		13
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 year	1		1
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)	$ 1	[2]	$ 1	[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).