Fair Value of Financial Instruments (Components Of The Transfers In And Out Of Level 3) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Into Level 3	$ 33		$ 229	$ 341
Transfers Out of Level 3	(150)	$ 762	(275)	662
Total	(117)	762	(46)	1,003
Corporate Bonds [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Into Level 3	32		228	11
Transfers Out of Level 3	(52)	(1)	(114)	(39)
Total	(20)	(1)	114	(28)
Foreign Government Bonds [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Out of Level 3		(37)		(37)
Total		(37)		(37)
RMBS [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Out of Level 3	(12)		(14)	(1)
Total	(12)		(14)	(1)
CMBS [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Out of Level 3	(17)		(17)
Total	(17)		(17)
ABS [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Into Level 3	1		1
Transfers Out of Level 3	(69)	(162)	(111)	(220)
Total	$ (68)	(162)	(110)	(220)
Trading Securities [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Into Level 3				12
Transfers Out of Level 3		(23)	(4)	(26)
Total		(23)	(4)	(14)
Derivative Investments [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Out of Level 3		(2,658)	(15)	(2,658)
Total		(2,658)	$ (15)	(2,658)
Indexed Annuity Ceded Embedded Derivatives [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Out of Level 3		(527)		(527)
Total		(527)		(527)
Indexed Annuity And IUL Contracts [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Out of Level 3		4,170		4,170
Total		$ 4,170		4,170
LPR Ceded Derivative [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Into Level 3				318
Total				$ 318