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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	$ 4,645	$ 6,441
Items Included in Net Income	406	1,854
Gains (Losses) in OCI and Other	(383)	(131)
Issuances, Sales, Maturities, Settlements, Calls, Net	386	295
Transfers Into or Out of Level 3, Net	70	(78)
Ending Fair Value	5,124	8,381
Corporate Bonds [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	5,720	5,121
Items Included in Net Income	1	2
Gains (Losses) in OCI and Other	(353)	(120)
Issuances, Sales, Maturities, Settlements, Calls, Net	358	170
Transfers Into or Out of Level 3, Net	134	(28)
Ending Fair Value	5,860	5,145
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
Items Included in Net Income
Gains (Losses) in OCI and Other	(1)	(8)
Issuances, Sales, Maturities, Settlements, Calls, Net
Transfers Into or Out of Level 3, Net
Ending Fair Value	40	66
RMBS [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	4	2
Items Included in Net Income
Gains (Losses) in OCI and Other
Issuances, Sales, Maturities, Settlements, Calls, Net	12
Transfers Into or Out of Level 3, Net	(3)
Ending Fair Value	13	2
CMBS [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value
Items Included in Net Income		1
Gains (Losses) in OCI and Other
Issuances, Sales, Maturities, Settlements, Calls, Net	17
Transfers Into or Out of Level 3, Net
Ending Fair Value	17	1
ABS [Member] | Fixed Maturity AFS Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	870	570
Items Included in Net Income
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	93	104
Items Included in Net Income
Gains (Losses) in OCI and Other	5	1
Issuances, Sales, Maturities, Settlements, Calls, Net		(20)
Transfers Into or Out of Level 3, Net
Ending Fair Value	98	85
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
Transfers Into or Out of Level 3, Net
Ending Fair Value	537	874
Trading Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	828	644
Items Included in Net Income	(29)	(3)
Gains (Losses) in OCI and Other
Issuances, Sales, Maturities, Settlements, Calls, Net	2	66
Transfers Into or Out of Level 3, Net	(4)	8
Ending Fair Value	797	715
Equity Securities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	95	59
Items Included in Net Income	17	6
Gains (Losses) in OCI and Other
Issuances, Sales, Maturities, Settlements, Calls, Net	(8)	(4)
Transfers Into or Out of Level 3, Net
Ending Fair Value	104	61
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
Gains (Losses) in OCI and Other
Issuances, Sales, Maturities, Settlements, Calls, Net
Transfers Into or Out of Level 3, Net
Ending Fair Value	1,880	1,831
GLB Direct Embedded Derivatives [Member] | Other Liabilities [Member]
Level 3 Unobservable Input Reconciliation
Beginning Fair Value	(182)
Items Included in Net Income	8	(152)
Gains (Losses) in OCI and Other
Issuances, Sales, Maturities, Settlements, Calls, Net
Transfers Into or Out of Level 3, Net
Ending Fair Value	(174)	(152)
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)
Gains (Losses) in OCI and Other
Issuances, Sales, Maturities, Settlements, Calls, Net
Transfers Into or Out of Level 3, Net
Ending Fair Value	42	42
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
Gains (Losses) in OCI and Other
Issuances, Sales, Maturities, Settlements, Calls, Net	18	(55)
Transfers Into or Out of Level 3, Net
Ending Fair Value	493	527
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)
Gains (Losses) in OCI and Other
Issuances, Sales, Maturities, Settlements, Calls, Net	(2)	50
Transfers Into or Out of Level 3, Net
Ending Fair Value	$ (5,574)	$ (4,170)

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