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	$ 6,725	$ 9,555	$ 6,203	$ 8,547
Items Included in Net Income	2,099	51	2,541	668
Gains (Losses) in OCI and Other	(687)	83	(1,069)	(49)
Issuances, Sales, Maturities, Settlements, Calls, Net	390	204	781	486
Transfers Into or Out of Level 3, Net	(117)	762	(46)	1,003
Ending Fair Value	8,410	10,655	8,410	10,655
Corporate Bonds [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	8,948	7,772	8,801	7,761
Items Included in Net Income		1	1	2
Gains (Losses) in OCI and Other	(651)	69	(1,002)	(52)
Issuances, Sales, Maturities, Settlements, Calls, Net	254	206	617	364
Transfers Into or Out of Level 3, Net	(20)	(1)	114	(28)
Ending Fair Value	8,531	8,047	8,531	8,047
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
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	1	3	2
Issuances, Sales, Maturities, Settlements, Calls, Net			12
Transfers Into or Out of Level 3, Net	(12)		(14)	(1)
Ending Fair Value	1	1	1	1
CMBS [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	17	1		1
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)	3	(60)	(4)
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	629	1,153	629
Hybrid And Redeemable Preferred Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	94	84	90	103
Gains (Losses) in OCI and Other	5	10	9	11
Issuances, Sales, Maturities, Settlements, Calls, Net		6		(14)
Ending Fair Value	99	100	99	100
Trading Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	797	715	828	643
Items Included in Net Income	(29)	2	(58)	(1)
Issuances, Sales, Maturities, Settlements, Calls, Net	(148)	(64)	(146)	2
Transfers Into or Out of Level 3, Net		(23)	(4)	(14)
Ending Fair Value	620	630	620	630
Equity Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	98	59	91	57
Items Included in Net Income	15	19	30	26
Issuances, Sales, Maturities, Settlements, Calls, Net	32	1	24	(4)
Ending Fair Value	145	79	145	79
Mortgage Loans On Real Estate [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	537	874	739	832
Items Included in Net Income	(12)	4	(15)	6
Gains (Losses) in OCI and Other	(5)	1	(6)	4
Issuances, Sales, Maturities, Settlements, Calls, Net	8	(61)	(190)	(24)
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
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)
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
Issuances, Sales, Maturities, Settlements, Calls, Net	60		78	(55)
Transfers Into or Out of Level 3, Net		(527)		(527)
Ending Fair Value	440		440
LPR Ceded Derivative [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	266	268	318
Items Included in Net Income	(51)	26	(103)	(24)
Transfers Into or Out of Level 3, Net				318
Ending Fair Value	215	294	215	294
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)
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)
GLB Ceded Embedded Derivatives, Other Liabilities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	(1,917)	(1,869)	(2,015)	(531)
Items Included in Net Income	480	53	578	(1,285)
Ending Fair Value	$ (1,437)	$ (1,816)	$ (1,437)	$ (1,816)