Realized Gain (Loss) (Schedule Of Realized Gain (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended								6 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Realized gain (loss) related to certain investments
AFS securities. Gross gains													$ 38	$ 663	$ 31
AFS securities. Gross losses													(53)	(37)	(84)
Credit loss benefit (expense)													(15)	(11)	(26)
Realized gain (loss) on equity securities													15	44	8
Other gain (loss) on investments													(35)		(7)
Associated amortization of DAC, VOBA, DSI and DFEL and changes in other contract holder funds													(18)	(25)	31
Total realized gain (loss) related to certain financial assets													(160)	811	(138)
Realized gain (loss) on the mark-to-market on certain instruments													37	63	26
Indexed annuity and IUL contracts net derivatives results:
Gross gain (loss)													74	22	37
Associated amortization of DAC, VOBA, DSI, and DFEL													(56)	4	(25)
Variable annuity net derivatives results:
Gross gain (loss)													526	(513)	(367)
Associated amortization of DAC, VOBA, DSI, and DFEL													(39)	90	(20)
Total realized gain (loss)	$ (407)	$ 212	$ 515	$ 25	$ 514	$ 79	$ 1	$ (180)	$ 540	$ (179)	$ 752	$ (100)	345	414	(513)
Mortgage Loans On Real Estate [Member]
Realized gain (loss) related to certain investments
Credit loss benefit (expense)													(3)	112	(117)
Realized gain (loss) on the mark-to-market on certain instruments													(24)	3	(24)
Reinsurance Related Assets [Member]
Realized gain (loss) related to certain investments
Credit loss benefit (expense)													(126)	2
Equity Securities [Member]
Realized gain (loss) related to certain investments
Realized gain (loss) on equity securities													$ 10	$ 47	$ 8