Derivative Instruments (Change In Our Unrealized Gain On Derivative Instruments In Accumulated OCI) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014		Sep. 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)	162	105	398		272
Balance as of end-of-period	2,922		2,922
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			25		(12)
Change in DAC, VOBA, DSI and DFEL			2		6
Income tax benefit (expense)			23		(54)
Reclassification adjustment for gains (losses) included in net income (loss)			(12)		(11)
Associated amortization of DAC, VOBA, DSI and DFEL			1		1
Federal income tax expense (benefit)			4		4
Balance as of end-of-period	221	270	221		270
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			(118)		175
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)			(19)	[1]	(18)	[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			23		(17)
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)			4	[1]	4	[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			3		3
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)			$ 3	[2]	$ 3	[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).