Derivative Instruments (Effects Of Qualifying And Non-Qualifying Hedges) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Realized Gain (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Total line items in which the effects of fair value or cash flow hedges are recorded	$ (3,252)	$ 148	$ (3,646)	$ 508
Net Investment Income [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Total line items in which the effects of fair value or cash flow hedges are recorded	1,476	1,338	2,885	2,690
Benefits Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Total line items in which the effects of fair value or cash flow hedges are recorded	1,676	1,922	3,871	4,024
Interest Rate Contracts [Member] | Realized Gain (Loss) [Member] | Non-Qualifying Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Non-qualifying hedges gain (loss)	(319)	(625)	12	(1,446)
Foreign Currency Contracts [Member] | Realized Gain (Loss) [Member] | Non-Qualifying Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Non-qualifying hedges gain (loss)		2	(2)	3
Equity Market Contracts [Member] | Realized Gain (Loss) [Member] | Non-Qualifying Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Non-qualifying hedges gain (loss)	809	(1,588)	750	(1,912)
Commodity [Member] | Realized Gain (Loss) [Member] | Non-Qualifying Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Non-qualifying hedges gain (loss)		9	11	9
Credit Contracts [Member] | Realized Gain (Loss) [Member] | Non-Qualifying Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Non-qualifying hedges gain (loss)	(1)		(2)
LPR Ceded Derivative [Member] | Benefits Expense [Member] | Non-Qualifying Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Non-qualifying hedges gain (loss)	(3)	51	10	103
Reinsurance Related [Member] | Realized Gain (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Non-qualifying hedges gain (loss)	76	432	9	979
Indexed Annuity And IUL Contracts [Member] | Realized Gain (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Non-qualifying hedges gain (loss)	(1,554)	2,177	(2,266)	2,683
Fair Value Hedges [Member] | Interest Rate Contracts [Member] | Net Investment Income [Member] | Qualifying Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Hedged items	(19)	(58)	(3)	(121)
Derivatives designated as hedging instruments	19	58	3	121
Cash Flow Hedges [Member] | Interest Rate Contracts [Member] | Net Investment Income [Member] | Qualifying Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) reclassified from AOCI into income				1
Cash Flow Hedges [Member] | Foreign Currency Contracts [Member] | Realized Gain (Loss) [Member] | Qualifying Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) reclassified from AOCI into income		1	3	4
Cash Flow Hedges [Member] | Foreign Currency Contracts [Member] | Net Investment Income [Member] | Qualifying Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) reclassified from AOCI into income	$ 13	$ 17	$ 27	$ 30