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	$ 6,204	$ 8,547	$ 7,337
Items Included in Net Income	1,605	(1,314)	522
Gains (Losses) in OCI and Other	(1,693)	(175)	549
Issuances, Sales, Maturities, Settlements, Calls, Net	495	1,859	(316)
Transfers Into or Out of Level 3, Net	(3,041)	(2,713)	455
Ending Fair Value	3,570	6,204	8,547
Corporate Bonds [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	8,801	7,761	6,978
Items Included in Net Income	1	3	(7)
Gains (Losses) in OCI and Other	(1,542)	(182)	281
Issuances, Sales, Maturities, Settlements, Calls, Net	592	1,189	435
Transfers Into or Out of Level 3, Net	(2,666)	30	74
Ending Fair Value	5,186	8,801	7,761
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
Gains (Losses) in OCI and Other	(6)	(11)	3
Issuances, Sales, Maturities, Settlements, Calls, Net	(30)	80	(19)
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	3	2	11
Items Included in Net Income
Gains (Losses) in OCI and Other	1
Issuances, Sales, Maturities, Settlements, Calls, Net	21	2
Transfers Into or Out of Level 3, Net	(24)	(1)	(9)
Ending Fair Value	1	3	2
CMBS [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value		1	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)
Ending Fair Value			1
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)	10
Issuances, Sales, Maturities, Settlements, Calls, Net	676	602	495
Transfers Into or Out of Level 3, Net	(316)	(294)	(203)
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]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	90	103
Items Included in Net Income	(4)
Gains (Losses) in OCI and Other	(21)	25
Issuances, Sales, Maturities, Settlements, Calls, Net	(12)	(38)
Transfers Into or Out of Level 3, Net	(4)
Ending Fair Value	49	90	103
Hybrid And Redeemable Preferred Securities [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value		103	78
Gains (Losses) in OCI and Other			(2)
Issuances, Sales, Maturities, Settlements, Calls, Net			9
Transfers Into or Out of Level 3, Net			18
Ending Fair Value			103
Trading Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	828	643	666
Items Included in Net Income	(80)	(3)	10
Issuances, Sales, Maturities, Settlements, Calls, Net	(152)	210	(32)
Transfers Into or Out of Level 3, Net	(15)	(22)	(1)
Ending Fair Value	581	828	643
Equity Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	91	57	30
Items Included in Net Income	52	38	4
Issuances, Sales, Maturities, Settlements, Calls, Net	25	(4)	18
Transfers Into or Out of Level 3, Net	(15)		5
Ending Fair Value	153	91	57
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
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	1,967	450	450
Items Included in Net Income	(270)	1,517
Ending Fair Value	1,697	1,967	450
GLB Direct Embedded Derivatives [Member] | Other Liabilities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value		(531)	(510)
Items Included in Net Income			(21)
Ending Fair Value			(531)
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	(2,018)	(531)
Items Included in Net Income	297	(1,487)
Ending Fair Value	(1,721)	(2,018)	(531)
Indexed Annuity Ceded Embedded Derivatives [Member] | Other Assets [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	528	550
Items Included in Net Income	(215)	87
Issuances, Sales, Maturities, Settlements, Calls, Net	212	(109)
Ending Fair Value	525	528	550
LPR Ceded Derivative [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	318
Transfers Into or Out of Level 3, Net		318
Ending Fair Value		318
LPR Ceded Derivative [Member] | Other Assets [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	318
Items Included in Net Income	(106)
Ending Fair Value	212	318
Indexed Annuity And IUL Contracts [Member] | Other Assets [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value		550	927
Items Included in Net Income			538
Issuances, Sales, Maturities, Settlements, Calls, Net			(915)
Ending Fair Value			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)