Fair Value of Financial Instruments (Fair Value Measured On A Recurring Basis Reconciliation) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	$ 4,645	$ 6,441	$ 5,141
Items Included in Net Income	1,433	(11)	552
Gains (Losses) in OCI and Other	$ (1,702)	(173)	549
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration]	Other comprehensive income (loss)
Issuances, Sales, Maturities, Settlements, Calls, Net	$ 693	1,420	(284)
Transfers Into or Out of Level 3, Net	(3,048)	(3,032)	483
Ending Fair Value	2,021	4,645	6,441
Corporate Bonds [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	5,720	5,121	4,281
Items Included in Net Income	1	4	(8)
Gains (Losses) in OCI and Other	(1,550)	(182)	284
Issuances, Sales, Maturities, Settlements, Calls, Net	796	748	464
Transfers Into or Out of Level 3, Net	(2,672)	29	100
Ending Fair Value	2,295	5,720	5,121
U.S. Government Bonds [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value		5	5
Issuances, Sales, Maturities, Settlements, Calls, Net		(5)
Ending Fair Value			5
Foreign Government Bonds [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	41	74	90
Items Included in Net Income			1
Gains (Losses) in OCI and Other	(6)	(11)	3
Issuances, Sales, Maturities, Settlements, Calls, Net	(30)	80	(20)
Transfers Into or Out of Level 3, Net	(5)	(102)
Ending Fair Value		41	74
RMBS [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	4	2	11
Items Included in Net Income		(1)
Gains (Losses) in OCI and Other	1
Issuances, Sales, Maturities, Settlements, Calls, Net	21	3
Transfers Into or Out of Level 3, Net	(25)		(9)
Ending Fair Value	1	4	2
CMBS [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value			1
Items Included in Net Income			(1)
Issuances, Sales, Maturities, Settlements, Calls, Net	17	8
Transfers Into or Out of Level 3, Net	(17)	(8)
ABS [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	870	570	268
Items Included in Net Income		1
Gains (Losses) in OCI and Other	(113)	(9)	7
Issuances, Sales, Maturities, Settlements, Calls, Net	676	602	496
Transfers Into or Out of Level 3, Net	(316)	(294)	(201)
Ending Fair Value	1,117	870	570
State And Municipal Bonds [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Gains (Losses) in OCI and Other	(1)
Transfers Into or Out of Level 3, Net	36
Ending Fair Value	35
Hybrid And Redeemable Preferred Securities [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	93	104	78
Items Included in Net Income	(6)
Gains (Losses) in OCI and Other	(22)	27	(2)
Issuances, Sales, Maturities, Settlements, Calls, Net	(12)	(38)	10
Transfers Into or Out of Level 3, Net	(4)		18
Ending Fair Value	49	93	104
Mortgage Loans On Real Estate [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	739	832
Items Included in Net Income	(20)	11	(1)
Gains (Losses) in OCI and Other	(5)	5	(10)
Issuances, Sales, Maturities, Settlements, Calls, Net	(227)	(109)	56
Transfers Into or Out of Level 3, Net			787
Ending Fair Value	487	739	832
Trading Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	828	644	666
Items Included in Net Income	(80)	(3)	11
Issuances, Sales, Maturities, Settlements, Calls, Net	(152)	210	(32)
Transfers Into or Out of Level 3, Net	(15)	(23)	(1)
Ending Fair Value	581	828	644
Equity Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	95	59	30
Items Included in Net Income	54	39	4
Issuances, Sales, Maturities, Settlements, Calls, Net	19	(3)	20
Transfers Into or Out of Level 3, Net	(15)		5
Ending Fair Value	153	95	59
Derivative Investments [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	21	1,542	868
Items Included in Net Income	2	1,255	986
Gains (Losses) in OCI and Other	(6)	(3)	267
Issuances, Sales, Maturities, Settlements, Calls, Net		(139)	(363)
Transfers Into or Out of Level 3, Net	(15)	(2,634)	(216)
Ending Fair Value	2	21	1,542
GLB Direct Embedded Derivatives [Member] | Other Assets [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	1,963	450	450
Items Included in Net Income	(266)	1,513
Ending Fair Value	1,697	1,963	450
GLB Direct Embedded Derivatives [Member] | Other Liabilities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	(182)
Items Included in Net Income		(182)
Ending Fair Value		(182)
GLB Ceded Embedded Derivatives [Member] | Other Assets [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	56	82	60
Items Included in Net Income	(27)	(26)	22
Ending Fair Value	29	56	82
GLB Ceded Embedded Derivatives [Member] | Other Liabilities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	(182)		(9)
Items Included in Net Income	15		9
Ending Fair Value	(167)	(182)
Indexed Annuity And IUL Contracts [Member] | Other Assets [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	528	550	927
Items Included in Net Income	(215)	87	538
Issuances, Sales, Maturities, Settlements, Calls, Net	212	(109)	(915)
Ending Fair Value	525	528	550
Indexed Annuity And IUL Contracts [Member] | Future Contract Benefits [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	(6,131)	(3,594)	(2,585)
Items Included in Net Income	1,975	(2,709)	(1,009)
Issuances, Sales, Maturities, Settlements, Calls, Net	(627)	172
Ending Fair Value	$ (4,783)	$ (6,131)	$ (3,594)