Derivative Instruments (Change In Our Unrealized Gain On Derivative Instruments In Accumulated OCI) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Change in our unrealized gain on derivative instruments in accumulated OCI
Balance as of beginning-of-year			$ 6,441
Income tax benefit (expense)	$ 563	$ (50)	543	$ (217)
Balance as of end-of-period	(8,628)		(8,628)
Unrealized Gain (Loss) on Derivative Instruments [Member]
Change in our unrealized gain on derivative instruments in accumulated OCI
Balance as of beginning-of-year			(103)	(402)
Change in foreign currency exchange rate adjustment			623	129
Change in DAC, VOBA, DSI and DFEL			34
Income tax benefit (expense)			(201)	(76)
Associated amortization of DAC, VOBA, DSI and DFEL			(3)	(1)
Income tax benefit (expense)			(13)	(3)
Balance as of end-of-period	$ 603	$ (132)	603	(132)
Unrealized Gain (Loss) on Derivative Instruments [Member] | Cash Flow Hedges [Member] | Interest Rate Contracts [Member]
Change in our unrealized gain on derivative instruments in accumulated OCI
Unrealized holding gains (losses) arising during the period			123	116
Unrealized Gain (Loss) on Derivative Instruments [Member] | Cash Flow Hedges [Member] | Interest Rate Contracts [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)			1	2
Unrealized Gain (Loss) on Derivative Instruments [Member] | Cash Flow Hedges [Member] | Interest Rate Contracts [Member] | Interest and Debt Expense [Member]
Change in our unrealized gain on derivative instruments in accumulated OCI
Reclassification adjustment for gains (losses) included in net income (loss)			(11)	(18)
Unrealized Gain (Loss) on Derivative Instruments [Member] | Cash Flow Hedges [Member] | Foreign currency contracts [Member]
Change in our unrealized gain on derivative instruments in accumulated OCI
Unrealized holding gains (losses) arising during the period			178	113
Unrealized Gain (Loss) on Derivative Instruments [Member] | Cash Flow Hedges [Member] | Foreign currency contracts [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)			48	34
Unrealized Gain (Loss) on Derivative Instruments [Member] | Cash Flow Hedges [Member] | Foreign currency contracts [Member] | Realized Gain (Loss) [Member]
Change in our unrealized gain on derivative instruments in accumulated OCI
Reclassification adjustment for gains (losses) included in net income (loss)			$ 29	$ (2)