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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 | $ 2,886 | $ 6,245 |
Items Included in Net Income | 1,440 | (1,574) |
Gains (Losses) in OCI and Other | (1,702) | (173) |
Issuances, Sales, Maturities, Settlements, Calls, Net | 693 | 1,420 |
Transfers Into or Out of Level 3, Net | (3,048) | (3,032) |
Ending Fair Value | 269 | 2,886 | $ 6,245
Corporate bonds | Fixed maturity securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 5,720 | 5,121 |
Items Included in Net Income | 1 | 4 |
Gains (Losses) in OCI and Other | (1,550) | (182) |
Issuances, Sales, Maturities, Settlements, Calls, Net | 796 | 748 |
Transfers Into or Out of Level 3, Net | (2,672) | 29 |
Ending Fair Value | 2,295 | 5,720 | 5,121
U.S. government bonds | Fixed maturity securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  | 5 |
Issuances, Sales, Maturities, Settlements, Calls, Net |  | (5) |
Ending Fair Value |  |  | 5
State and municipal bonds | Fixed maturity 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 |  |
Foreign government bonds | Fixed maturity securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 41 | 74 |
Gains (Losses) in OCI and Other | (6) | (11) |
Issuances, Sales, Maturities, Settlements, Calls, Net | (30) | 80 |
Transfers Into or Out of Level 3, Net | (5) | (102) |
Ending Fair Value |  | 41 | 74
RMBS | Fixed maturity securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 4 | 2 |
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) |  |
Ending Fair Value | 1 | 4 | 2
CMBS | Fixed maturity securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Issuances, Sales, Maturities, Settlements, Calls, Net | 17 | 8 |
Transfers Into or Out of Level 3, Net | (17) | (8) |
ABS [Member] | Fixed maturity securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 870 | 570 |
Items Included in Net Income |  | 1 |
Gains (Losses) in OCI and Other | (113) | (9) |
Issuances, Sales, Maturities, Settlements, Calls, Net | 676 | 602 |
Transfers Into or Out of Level 3, Net | (316) | (294) |
Ending Fair Value | 1,117 | 870 | 570
Hybrid and redeemable preferred securities | Fixed maturity securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 93 | 104 |
Items Included in Net Income | (6) |  |
Gains (Losses) in OCI and Other | (22) | 27 |
Issuances, Sales, Maturities, Settlements, Calls, Net | (12) | (38) |
Transfers Into or Out of Level 3, Net | (4) |  |
Ending Fair Value | 49 | 93 | 104
Trading securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 828 | 644 |
Items Included in Net Income | (80) | (3) |
Issuances, Sales, Maturities, Settlements, Calls, Net | (152) | 210 |
Transfers Into or Out of Level 3, Net | (15) | (23) |
Ending Fair Value | 581 | 828 | 644
Available-for-sale equity securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 95 | 59 |
Items Included in Net Income | 54 | 39 |
Issuances, Sales, Maturities, Settlements, Calls, Net | 19 | (3) |
Transfers Into or Out of Level 3, Net | (15) |  |
Ending Fair Value | 153 | 95 | 59
Mortgage Loans On Real Estate [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 739 | 832 |
Items Included in Net Income | (20) | 11 |
Gains (Losses) in OCI and Other | (5) | 5 |
Issuances, Sales, Maturities, Settlements, Calls, Net | (227) | (109) |
Ending Fair Value | 487 | 739 | 832
Derivative investments |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 21 | 1,542 |
Items Included in Net Income | 2 | 1,255 |
Gains (Losses) in OCI and Other | (6) | (3) |
Issuances, Sales, Maturities, Settlements, Calls, Net |  | (139) |
Transfers Into or Out of Level 3, Net | (15) | (2,634) |
Ending Fair Value | 2 | 21 | 1,542
Ceded MRBs [Member] | Other Assets [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 95 | 336 |
Items Included in Net Income | (83) | (241) |
Ending Fair Value | 12 | 95 | 336
Ceded MRBs [Member] | Other Liabilities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | (17) |  |
Items Included in Net Income | (188) | (17) |
Ending Fair Value | (205) | (17) |
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
Indexed Annuity Contracts Embedded Derivatives [Member] | Policyholder Account Balances [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | (6,131) | (3,594) |
Items Included in Net Income | 1,975 | (2,709) |
Issuances, Sales, Maturities, Settlements, Calls, Net | (627) | 172 |
Ending Fair Value | $ (4,783) | (6,131) | (3,594)
As Previously Reported [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  | 6,441 | 5,141
Items Included in Net Income |  |  | 552
Gains (Losses) in OCI and Other |  |  | 549
Issuances, Sales, Maturities, Settlements, Calls, Net |  |  | (284)
Transfers Into or Out of Level 3, Net |  |  | 483
Ending Fair Value |  |  | 6,441
As Previously Reported [Member] | Corporate bonds | Fixed maturity securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  | 5,121 | 4,281
Items Included in Net Income |  |  | (8)
Gains (Losses) in OCI and Other |  |  | 284
Issuances, Sales, Maturities, Settlements, Calls, Net |  |  | 464
Transfers Into or Out of Level 3, Net |  |  | 100
Ending Fair Value |  |  | 5,121
As Previously Reported [Member] | U.S. government bonds | Fixed maturity securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  | 5 | 5
Ending Fair Value |  |  | 5
As Previously Reported [Member] | Foreign government bonds | Fixed maturity securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  | 74 | 90
Items Included in Net Income |  |  | 1
Gains (Losses) in OCI and Other |  |  | 3
Issuances, Sales, Maturities, Settlements, Calls, Net |  |  | (20)
Ending Fair Value |  |  | 74
As Previously Reported [Member] | RMBS | Fixed maturity securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  | 2 | 11
Transfers Into or Out of Level 3, Net |  |  | (9)
Ending Fair Value |  |  | 2
As Previously Reported [Member] | CMBS | Fixed maturity securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  |  | 1
Items Included in Net Income |  |  | (1)
As Previously Reported [Member] | ABS [Member] | Fixed maturity securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  | 570 | 268
Gains (Losses) in OCI and Other |  |  | 7
Issuances, Sales, Maturities, Settlements, Calls, Net |  |  | 496
Transfers Into or Out of Level 3, Net |  |  | (201)
Ending Fair Value |  |  | 570
As Previously Reported [Member] | Hybrid and redeemable preferred securities | Fixed maturity securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  | 104 | 78
Gains (Losses) in OCI and Other |  |  | (2)
Issuances, Sales, Maturities, Settlements, Calls, Net |  |  | 10
Transfers Into or Out of Level 3, Net |  |  | 18
Ending Fair Value |  |  | 104
As Previously Reported [Member] | Trading securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  | 644 | 666
Items Included in Net Income |  |  | 11
Issuances, Sales, Maturities, Settlements, Calls, Net |  |  | (32)
Transfers Into or Out of Level 3, Net |  |  | (1)
Ending Fair Value |  |  | 644
As Previously Reported [Member] | Available-for-sale equity securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  | 59 | 30
Items Included in Net Income |  |  | 4
Issuances, Sales, Maturities, Settlements, Calls, Net |  |  | 20
Transfers Into or Out of Level 3, Net |  |  | 5
Ending Fair Value |  |  | 59
As Previously Reported [Member] | Mortgage Loans On Real Estate [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  | 832 |
Items Included in Net Income |  |  | (1)
Gains (Losses) in OCI and Other |  |  | (10)
Issuances, Sales, Maturities, Settlements, Calls, Net |  |  | 56
Transfers Into or Out of Level 3, Net |  |  | 787
Ending Fair Value |  |  | 832
As Previously Reported [Member] | Derivative investments |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  | 1,542 | 868
Items Included in Net Income |  |  | 986
Gains (Losses) in OCI and Other |  |  | 267
Issuances, Sales, Maturities, Settlements, Calls, Net |  |  | (363)
Transfers Into or Out of Level 3, Net |  |  | (216)
Ending Fair Value |  |  | 1,542
As Previously Reported [Member] | GLB Direct Embedded Derivatives [Member] | Other Assets [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  | 450 | 450
Ending Fair Value |  |  | 450
As Previously Reported [Member] | GLB Ceded Embedded Derivatives [Member] | Other Assets [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  | 82 | 60
Items Included in Net Income |  |  | 22
Ending Fair Value |  |  | 82
As Previously Reported [Member] | GLB Ceded Embedded Derivatives [Member] | Other Liabilities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  |  | (9)
Items Included in Net Income |  |  | 9
As Previously Reported [Member] | Indexed Annuity Ceded Embedded Derivatives [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
As Previously Reported [Member] | Indexed Annuity Contracts Embedded Derivatives [Member] | Future Contract Benefits [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  | $ (3,594) | (2,585)
Items Included in Net Income |  |  | (1,009)
Ending Fair Value |  |  | $ (3,594)

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