Fair Value of Financial Instruments (Components Of The Transfers In And Out Of Level 3) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Into Level 3	$ 56	$ (4,414)	$ 285	$ (4,390)
Transfers Out of Level 3	(217)	(79)	(492)	581
Total	(161)	(4,493)	(207)	(3,809)
Corporate Bonds [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Into Level 3	37		265	10
Transfers Out of Level 3	(53)	(25)	(167)	(64)
Total	(16)	(25)	98	(54)
RMBS [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Out of Level 3			(15)
Total			(15)
ABS [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Into Level 3	15	8	16	8
Transfers Out of Level 3	(162)	(46)	(273)	(266)
Total	(147)	(38)	(257)	(258)
Foreign Government Bonds [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Out of Level 3				(37)
Total				(37)
CMBS [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Out of Level 3		(8)	(17)	(8)
Total		(8)	(17)	(8)
Trading Securities [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Into Level 3	4		4	14
Transfers Out of Level 3	(1)		(5)	(29)
Total	3		(1)	(15)
Derivative Investments [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Out of Level 3	(1)		(15)	(2,658)
Total	$ (1)		$ (15)	(2,658)
Indexed Annuity Ceded Embedded Derivatives [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Into Level 3		515		515
Transfers Out of Level 3				(527)
Total		515		(12)
Indexed Annuity And IUL Contracts [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract]
Transfers Into Level 3		(4,937)		(4,937)
Transfers Out of Level 3				4,170
Total		$ (4,937)		$ (767)