Investments (Changes In Allowance For Credit Losses On AFS) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Line Items]
Balance	$ 12	$ 9	$ 19	$ 13
Additions for securities for which credit losses were not previously recognized	3	8	5	8
Additions (reductions) for securities for which credit losses were previously recognized	3		7	2
Reductions for securities disposed			(1)
Reductions for securities charged-off			(12)	(6)
Balance	18	17	18	17
Accrued interest income on fixed maturity AFS securities			1,100	1,100
Corporate Bonds [Member]
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Line Items]
Balance	7	8	17	12
Additions for securities for which credit losses were not previously recognized		8	2	8
Additions (reductions) for securities for which credit losses were previously recognized			1	2
Reductions for securities disposed			(1)
Reductions for securities charged-off			(12)	(6)
Balance	7	16	7	16
RMBS [Member]
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Line Items]
Balance	3	1	1	1
Additions for securities for which credit losses were not previously recognized	2		2
Additions (reductions) for securities for which credit losses were previously recognized			2
Balance	5	$ 1	5	$ 1
ABS [Member]
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Line Items]
Balance	5		5
Other [Member]
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Line Items]
Balance	2		1
Additions for securities for which credit losses were not previously recognized	1		1
Additions (reductions) for securities for which credit losses were previously recognized	3		4
Balance	$ 6		$ 6