Realized Gain (Loss) (Schedule Of Realized Gain (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Realized gain (loss) related to certain investments
Realized gain (loss) on equity securities	$ 6	$ 5	$ (2)	$ 37
Other gain (loss) on investments	(26)	(1)	(28)	1
Associated amortization of DAC, VOBA, DSI and DFEL and changes in other contract holder funds	(6)	(9)	(13)	(19)
Total realized gain (loss) related to financial instruments and reinsurance-related assets	(135)	31	(169)	102
Realized gain (loss) on the mark-to-market on certain instruments	40	8	26	25
Indexed annuity and IUL contracts net derivatives results:
Gross gain (loss)	(15)	(24)	132	16
Associated amortization of DAC, VOBA, DSI, and DFEL	18	19	(75)	8
Variable annuity net derivatives results:
Gross gain (loss)	386	60	973	(274)
Associated amortization of DAC, VOBA, DSI, and DFEL	(34)	(1)	(90)	51
Total realized gain (loss)	220	85	771	(97)
Mortgage Loans On Real Estate [Member]
Realized gain (loss) related to certain investments
Credit loss benefit (expense) on mortgage loans on real estate	(9)	40	4	77
Realized gain (loss) on the mark-to-market on certain instruments	(1)	2	(18)	2
Reinsurance Related Assets [Member]
Realized gain (loss) related to certain investments
Credit loss benefit (expense) on mortgage loans on real estate	(131)	(2)	(136)	(6)
Provision for Other Credit Losses			326		$ 190
Fixed Maturity AFS Securities [Member]
Realized gain (loss) related to certain investments
AFS securities. Gross gains	11	1	15	17
AFS securities. Gross losses	(15)	(3)	(24)	(21)
Credit loss benefit (expense)	(5)	(8)	(11)	(9)
Equity Securities [Member]
Realized gain (loss) related to certain investments
Realized gain (loss) on equity securities	$ 5	$ 4	$ 3	$ 40