Derivative Instruments (Effects Of Qualifying And Non-Qualifying Hedges) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 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	$ (867)	$ 33	$ (4,513)	$ 541
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	1,466	1,241	4,351	3,931
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	1,895	2,094	5,766	6,118
Interest Rate Contracts [Member] | Realized Gain (Loss) [Member] | Non-Qualifying Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Non-qualifying hedges gain (loss)	(604)	(552)	(592)	(1,998)
Foreign Currency Contracts [Member] | Realized Gain (Loss) [Member] | Non-Qualifying Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Non-qualifying hedges gain (loss)		4	(2)	6
Equity Market Contracts [Member] | Realized Gain (Loss) [Member] | Non-Qualifying Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Non-qualifying hedges gain (loss)	163	(188)	913	(2,100)
Commodity [Member] | Realized Gain (Loss) [Member] | Non-Qualifying Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Non-qualifying hedges gain (loss)	(1)	(6)	10	4
Credit Contracts [Member] | Realized Gain (Loss) [Member] | Non-Qualifying Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Non-qualifying hedges gain (loss)		(2)	(2)	(2)
LPR Ceded Derivative [Member] | Benefits Expense [Member] | Non-Qualifying Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Non-qualifying hedges gain (loss)	18	24	28	127
Reinsurance Related [Member] | Realized Gain (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Non-qualifying hedges gain (loss)	243	382	252	1,361
Indexed Annuity And IUL Contracts [Member] | Realized Gain (Loss) [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Non-qualifying hedges gain (loss)	572	347	(1,706)	3,030
Fair Value Hedges [Member] | Interest Rate Contracts [Member] | Net Investment Income [Member] | Qualifying Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Hedged items	(41)	(42)	(44)	(164)
Derivatives designated as hedging instruments	41	42	44	164
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	2	25	4	29
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	$ 14	$ 19	$ 42	$ 48