Realized Gain (Loss) (Schedule Of Realized Gain (Loss)) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Realized gain (loss) related to certain investments
AFS securities. Gross gains	$ 20	$ 31	$ 45
AFS securities. Gross losses	(29)	(84)	(73)
Credit loss benefit (expense)	(11)	(26)
AFS securities. Gross OTTI			(16)
Realized gain (loss) on equity securities	43	8	(6)
Credit loss benefit (expense) on mortgage loans on real estate	112	(117)	(1)
Other gain (loss) on investments		(7)	(9)
Associated amortization of DAC, VOBA, DSI and DFEL and changes in other contract holder funds	(25)	31	(13)
Total realized gain (loss) related to certain financial assets	112	(164)	(73)
Realized gain (loss) on the mark-to-market on certain instruments	68	26	(127)
Indexed annuity and IUL contracts net derivatives results:
Gross gain (loss)	30	37	(80)
Associated amortization of DAC, VOBA, DSI, and DFEL	4	(25)	2
Variable annuity net derivatives results:
Gross gain (loss)	(517)	(367)	(389)
Associated amortization of DAC, VOBA, DSI, and DFEL	91	(20)	57
Total realized gain (loss)	(212)	(513)	(610)
Mortgage Loans On Real Estate [Member]
Realized gain (loss) related to certain investments
Realized gain (loss) on the mark-to-market on certain instruments	3	(24)
Equity Securities [Member]
Realized gain (loss) related to certain investments
Realized gain (loss) on equity securities	$ 46	$ 8	$ (4)