Fair Value of Financial Instruments (Fair Value Measured On A Recurring Basis Reconciliation) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	$ 5,124	$ 8,381	$ 4,645	$ 6,441
Items Included in Net Income	1,708	(27)	2,114	1,827
Gains (Losses) in OCI and Other	(692)	84	(1,075)	(47)
Issuances, Sales, Maturities, Settlements, Calls, Net	423	213	809	508
Transfers Into or Out of Level 3, Net	(117)	762	(47)	684
Ending Fair Value	6,446	9,413	6,446	9,413
Corporate Bonds [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	5,860	5,145	5,720	5,121
Items Included in Net Income		1	1	3
Gains (Losses) in OCI and Other	(657)	69	(1,010)	(51)
Issuances, Sales, Maturities, Settlements, Calls, Net	293	215	651	385
Transfers Into or Out of Level 3, Net	(20)	(1)	114	(29)
Ending Fair Value	5,476	5,429	5,476	5,429
U.S. Government Bonds [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value		5		5
Issuances, Sales, Maturities, Settlements, Calls, Net		(5)		(5)
Foreign Government Bonds [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	40	66	41	74
Items Included in Net Income
Gains (Losses) in OCI and Other	(3)		(4)	(8)
Issuances, Sales, Maturities, Settlements, Calls, Net		14		14
Transfers Into or Out of Level 3, Net		(37)		(37)
Ending Fair Value	37	43	37	43
RMBS [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	13	2	4	2
Items Included in Net Income		(1)		(1)
Gains (Losses) in OCI and Other
Issuances, Sales, Maturities, Settlements, Calls, Net			12
Transfers Into or Out of Level 3, Net	(12)		(15)
Ending Fair Value	1	1	1	1
CMBS [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	17	1
Items Included in Net Income				1
Gains (Losses) in OCI and Other
Issuances, Sales, Maturities, Settlements, Calls, Net		8	17	8
Transfers Into or Out of Level 3, Net	(17)		(17)
Ending Fair Value		9		9
ABS [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	988	688	870	570
Items Included in Net Income		1		1
Gains (Losses) in OCI and Other	(33)	4	(60)	(3)
Issuances, Sales, Maturities, Settlements, Calls, Net	266	99	453	282
Transfers Into or Out of Level 3, Net	(68)	(162)	(110)	(220)
Ending Fair Value	1,153	630	1,153	630
Hybrid And Redeemable Preferred Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	98	85	93	104
Items Included in Net Income
Gains (Losses) in OCI and Other	6	11	11	12
Issuances, Sales, Maturities, Settlements, Calls, Net		6		(14)
Transfers Into or Out of Level 3, Net
Ending Fair Value	104	102	104	102
Trading Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	797	715	828	644
Items Included in Net Income	(29)	2	(58)	(1)
Gains (Losses) in OCI and Other
Issuances, Sales, Maturities, Settlements, Calls, Net	(148)	(64)	(146)	2
Transfers Into or Out of Level 3, Net		(23)	(4)	(15)
Ending Fair Value	620	630	620	630
Equity Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	104	61	95	59
Items Included in Net Income	15	20	32	26
Gains (Losses) in OCI and Other
Issuances, Sales, Maturities, Settlements, Calls, Net	26	1	18	(3)
Transfers Into or Out of Level 3, Net
Ending Fair Value	145	82	145	82
Mortgage Loans On Real Estate [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	537	874	739	832
Items Included in Net Income	(12)	5	(15)	7
Gains (Losses) in OCI and Other	(5)		(6)	3
Issuances, Sales, Maturities, Settlements, Calls, Net	8	(61)	(190)	(24)
Transfers Into or Out of Level 3, Net
Ending Fair Value	528	818	528	818
Derivative Investments [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	3	2,661	21	1,542
Items Included in Net Income		(2)	3	1,249
Gains (Losses) in OCI and Other			(6)
Issuances, Sales, Maturities, Settlements, Calls, Net				(132)
Transfers Into or Out of Level 3, Net		(2,658)	(15)	(2,658)
Ending Fair Value	3	1	3	1
GLB Direct Embedded Derivatives [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	1,880	1,831	1,963	450
Items Included in Net Income	(480)	(64)	(563)	1,317
Gains (Losses) in OCI and Other
Issuances, Sales, Maturities, Settlements, Calls, Net
Transfers Into or Out of Level 3, Net
Ending Fair Value	1,400	1,767	1,400	1,767
GLB Ceded Embedded Derivatives [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	42	42	56	82
Items Included in Net Income	(1)	11	(15)	(29)
Gains (Losses) in OCI and Other
Issuances, Sales, Maturities, Settlements, Calls, Net
Transfers Into or Out of Level 3, Net
Ending Fair Value	41	53	41	53
Indexed Annuity Ceded Embedded Derivatives [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	493	527	528	550
Items Included in Net Income	(113)		(166)	32
Gains (Losses) in OCI and Other
Issuances, Sales, Maturities, Settlements, Calls, Net	60		78	(55)
Transfers Into or Out of Level 3, Net		(527)		(527)
Ending Fair Value	440		440
Indexed Annuity And IUL Contracts [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	(5,574)	(4,170)	(6,131)	(3,594)
Items Included in Net Income	2,290		2,849	(626)
Gains (Losses) in OCI and Other
Issuances, Sales, Maturities, Settlements, Calls, Net	(82)		(84)	50
Transfers Into or Out of Level 3, Net		4,170		4,170
Ending Fair Value	(3,366)		(3,366)
Other Liabilities, GLB Ceded Embedded Derivatives [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	(174)	(152)	(182)
Items Included in Net Income	38		46	(152)
Gains (Losses) in OCI and Other
Issuances, Sales, Maturities, Settlements, Calls, Net
Transfers Into or Out of Level 3, Net
Ending Fair Value	$ (136)	$ (152)	$ (136)	$ (152)