Fair Value of Financial Instruments (Fair Value Measured On A Recurring Basis Reconciliation) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	$ 3,858	$ 10,295
Items Included in Net Income	(1,240)	(1,136)
Gains (Losses) in OCI and Other	24	(382)
Issuances, Sales, Maturities, Settlements, Calls, Net	523	391
Transfers Into or Out of Level 3, Net	(166)	71
Ending Fair Value	2,999	9,239
Corporate Bonds [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	5,186	8,801
Items Included in Net Income		1
Gains (Losses) in OCI and Other	12	(351)
Issuances, Sales, Maturities, Settlements, Calls, Net	1,006	363
Transfers Into or Out of Level 3, Net	15	134
Ending Fair Value	6,219	8,948
Foreign Government Bonds [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value		41
Gains (Losses) in OCI and Other		(1)
Ending Fair Value		40
RMBS [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	1	3
Issuances, Sales, Maturities, Settlements, Calls, Net		12
Transfers Into or Out of Level 3, Net		(2)
Ending Fair Value	1	13
CMBS [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Issuances, Sales, Maturities, Settlements, Calls, Net		17
Ending Fair Value		17
ABS [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	1,117	870
Gains (Losses) in OCI and Other	8	(27)
Issuances, Sales, Maturities, Settlements, Calls, Net	168	187
Transfers Into or Out of Level 3, Net	(193)	(42)
Ending Fair Value	1,100	988
State And Municipal Bonds [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	35
Gains (Losses) in OCI and Other	1
Ending Fair Value	36
Hybrid And Redeemable Preferred Securities [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	49	90
Gains (Losses) in OCI and Other		4
Issuances, Sales, Maturities, Settlements, Calls, Net	(2)
Transfers Into or Out of Level 3, Net	12
Ending Fair Value	59	94
Trading Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	581	828
Items Included in Net Income	4	(29)
Issuances, Sales, Maturities, Settlements, Calls, Net	(127)	2
Transfers Into or Out of Level 3, Net		(4)
Ending Fair Value	458	797
Equity Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	153	91
Items Included in Net Income	(16)	15
Issuances, Sales, Maturities, Settlements, Calls, Net		(8)
Ending Fair Value	137	98
Mortgage Loans On Real Estate [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	487	739
Items Included in Net Income	2	(3)
Gains (Losses) in OCI and Other	3	(1)
Issuances, Sales, Maturities, Settlements, Calls, Net	(2)	(198)
Ending Fair Value	490	537
Derivative Investments [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	2	21
Items Included in Net Income	(1)	3
Gains (Losses) in OCI and Other		(6)
Transfers Into or Out of Level 3, Net		(15)
Ending Fair Value	1	3
Ceded MRBs [Member] | Other Assets [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	539	4,113
Items Included in Net Income	160	(1,543)
Ending Fair Value	699	2,570
GLB Direct Embedded Derivatives [Member] | Other Liabilities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value		(17)
Items Included in Net Income		(34)
Ending Fair Value		(51)
GLB Ceded Embedded Derivatives [Member] | Other Liabilities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	(246)
Items Included in Net Income	(663)
Ending Fair Value	(909)
Indexed Annuity Ceded Embedded Derivatives [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	525
Items Included in Net Income	6
Issuances, Sales, Maturities, Settlements, Calls, Net	(226)
Ending Fair Value	305
Indexed Annuity Ceded Embedded Derivatives [Member] | Other Assets [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value		528
Items Included in Net Income		(53)
Issuances, Sales, Maturities, Settlements, Calls, Net		18
Ending Fair Value		493
LPR Ceded Derivative [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	212
Items Included in Net Income	(13)
Ending Fair Value	199
LPR Ceded Derivative [Member] | Other Assets [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value		318
Items Included in Net Income		(52)
Ending Fair Value		266
Indexed Annuity And IUL Contracts [Member] | Future Contract Benefits [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value		(6,131)
Items Included in Net Income		559
Issuances, Sales, Maturities, Settlements, Calls, Net		(2)
Ending Fair Value		$ (5,574)
Policyholder Account Balances [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	(4,783)
Items Included in Net Income	(719)
Issuances, Sales, Maturities, Settlements, Calls, Net	(294)
Ending Fair Value	$ (5,796)