Fair Value of Financial Instruments (Fair Value Measured On A Recurring Basis Reconciliation) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	$ 6,203	$ 8,547
Items Included in Net Income	442	617
Gains (Losses) in OCI and Other	(382)	(132)
Issuances, Sales, Maturities, Settlements, Calls, Net	391	282
Transfers Into or Out of Level 3, Net	71	241
Ending Fair Value	6,725	9,555
Corporate Bonds [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	8,801	7,761
Items Included in Net Income	1	1
Gains (Losses) in OCI and Other	(351)	(121)
Issuances, Sales, Maturities, Settlements, Calls, Net	363	158
Transfers Into or Out of Level 3, Net	134	(27)
Ending Fair Value	8,948	7,772
U.S. Government Bonds [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value		5
Ending Fair Value		5
Foreign Government Bonds [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	41	74
Gains (Losses) in OCI and Other	(1)	(8)
Ending Fair Value	40	66
RMBS [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	3	2
Issuances, Sales, Maturities, Settlements, Calls, Net	12
Transfers Into or Out of Level 3, Net	(2)	(1)
Ending Fair Value	13	1
CMBS [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value		1
Issuances, Sales, Maturities, Settlements, Calls, Net	17
Ending Fair Value	17	1
ABS [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	870	570
Gains (Losses) in OCI and Other	(27)	(7)
Issuances, Sales, Maturities, Settlements, Calls, Net	187	183
Transfers Into or Out of Level 3, Net	(42)	(58)
Ending Fair Value	988	688
Hybrid And Redeemable Preferred Securities [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	90	103
Gains (Losses) in OCI and Other	4	1
Issuances, Sales, Maturities, Settlements, Calls, Net		(20)
Ending Fair Value	94	84
Trading Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	828	643
Items Included in Net Income	(29)	(3)
Issuances, Sales, Maturities, Settlements, Calls, Net	2	66
Transfers Into or Out of Level 3, Net	(4)	9
Ending Fair Value	797	715
Equity Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	91	57
Items Included in Net Income	15	7
Issuances, Sales, Maturities, Settlements, Calls, Net	(8)	(5)
Ending Fair Value	98	59
Mortgage Loans On Real Estate [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	739	832
Items Included in Net Income	(3)	2
Gains (Losses) in OCI and Other	(1)	3
Issuances, Sales, Maturities, Settlements, Calls, Net	(198)	37
Ending Fair Value	537	874
Derivative Investments [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	21	1,542
Items Included in Net Income	3	1,251
Gains (Losses) in OCI and Other	(6)
Issuances, Sales, Maturities, Settlements, Calls, Net		(132)
Transfers Into or Out of Level 3, Net	(15)
Ending Fair Value	3	2,661
GLB Direct Embedded Derivatives [Member] | Other Assets [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	1,963	450
Items Included in Net Income	(83)	1,381
Ending Fair Value	1,880	1,831
GLB Direct Embedded Derivatives [Member] | Other Liabilities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value		(531)
Items Included in Net Income		(1,338)
Ending Fair Value		(1,869)
GLB Ceded Embedded Derivatives [Member] | Other Assets [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	56	82
Items Included in Net Income	(14)	(40)
Ending Fair Value	42	42
GLB Ceded Embedded Derivatives [Member] | Other Liabilities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	(2,015)
Items Included in Net Income	98
Ending Fair Value	(1,917)
Indexed Annuity Ceded Embedded Derivatives [Member] | Other Assets [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	528	550
Items Included in Net Income	(53)	32
Issuances, Sales, Maturities, Settlements, Calls, Net	18	(55)
Ending Fair Value	493	527
LPR Ceded Derivative [Member] | Other Assets [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	318
Items Included in Net Income	(52)	(50)
Transfers Into or Out of Level 3, Net		318
Ending Fair Value	266	268
Indexed Annuity And IUL Contracts [Member] | Future Contract Benefits [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	(6,131)	(3,594)
Items Included in Net Income	559	(626)
Issuances, Sales, Maturities, Settlements, Calls, Net	(2)	50
Ending Fair Value	$ (5,574)	$ (4,170)