Realized Gain (Loss) (Schedule Of Realized Gain (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Realized gain (loss) related to certain investments
Realized gain (loss) on equity securities	$ (14)	$ 2
Realized gain (loss) on the mark-to-market on certain instruments	(111)	(12)
Indexed product derivative results	(153)	109
Derivative results	(477)	73
Other realized gain (loss)	(12)	(5)
Total realized gain (loss)	(828)	181
Mortgage Loans On Real Estate [Member]
Realized gain (loss) related to certain investments
Credit loss benefit (expense)	(4)	18
Realized gain (loss) on the mark-to-market on certain instruments	2	(3)
Reinsurance Related Assets [Member]
Realized gain (loss) related to certain investments
Credit loss benefit (expense)	(1)	(1)
Fixed Maturity AFS Securities [Member]
Realized gain (loss) related to certain investments
AFS securities. Gross gains	26	2
AFS securities. Gross losses	(65)	(4)
Credit loss benefit (expense)	(17)	(1)
Equity Securities [Member]
Realized gain (loss) related to certain investments
Realized gain (loss) on equity securities	$ (14)	$ 4