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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, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | $ 6,441 | $ 5,141 | $ 4,014
Items Included in Net Income | (11) | 552 | (417)
Gains (Losses) in OCI and Other | (173) | 549 | 353
Issuances, Sales, Maturities, Settlements, Calls, Net | 1,420 | (284) | 2,013
Transfers Into or Out of Level 3, Net | (3,032) | 483 | (822)
Ending Fair Value | 4,645 | 6,441 | 5,141
Corporate Bonds [Member] | Fixed Maturity AFS Securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 5,121 | 4,281 | 3,269
Items Included in Net Income | 4 | (8) | 3
Gains (Losses) in OCI and Other | (182) | 284 | 180
Issuances, Sales, Maturities, Settlements, Calls, Net | 748 | 464 | 878
Transfers Into or Out of Level 3, Net | 29 | 100 | (49)
Ending Fair Value | 5,720 | 5,121 | 4,281
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) |  |
Transfers Into or Out of Level 3, Net |  |  | 5
Ending Fair Value |  | 5 | 5
Foreign Government Bonds [Member] | Fixed Maturity AFS Securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 74 | 90 | 109
Items Included in Net Income |  | 1 |
Gains (Losses) in OCI and Other | (11) | 3 | 6
Issuances, Sales, Maturities, Settlements, Calls, Net | 80 | (20) | (25)
Transfers Into or Out of Level 3, Net | (102) |  |
Ending Fair Value | 41 | 74 | 90
RMBS [Member] | Fixed Maturity AFS Securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 2 | 11 | 7
Items Included in Net Income | (1) |  |
Gains (Losses) in OCI and Other |  |  |
Issuances, Sales, Maturities, Settlements, Calls, Net | 3 |  | 21
Transfers Into or Out of Level 3, Net |  | (9) | (17)
Ending Fair Value | 4 | 2 | 11
CMBS [Member] | Fixed Maturity AFS Securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  | 1 | 2
Items Included in Net Income |  | (1) | 1
Issuances, Sales, Maturities, Settlements, Calls, Net | 8 |  | 5
Transfers Into or Out of Level 3, Net | (8) |  | (7)
Ending Fair Value |  |  | 1
ABS [Member] | Fixed Maturity AFS Securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 570 | 268 | 134
Items Included in Net Income | 1 |  |
Gains (Losses) in OCI and Other | (9) | 7 | 1
Issuances, Sales, Maturities, Settlements, Calls, Net | 602 | 496 | 619
Transfers Into or Out of Level 3, Net | (294) | (201) | (486)
Ending Fair Value | 870 | 570 | 268
Hybrid And Redeemable Preferred Securities [Member] | Fixed Maturity AFS Securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 104 | 78 | 75
Gains (Losses) in OCI and Other | 27 | (2) | 3
Issuances, Sales, Maturities, Settlements, Calls, Net | (38) | 10 |
Transfers Into or Out of Level 3, Net |  | 18 |
Ending Fair Value | 93 | 104 | 78
Mortgage Loans On Real Estate [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 832 |  |
Items Included in Net Income | 11 | (1) |
Gains (Losses) in OCI and Other | 5 | (10) |
Issuances, Sales, Maturities, Settlements, Calls, Net | (109) | 56 |
Transfers Into or Out of Level 3, Net |  | 787 |
Ending Fair Value | 739 | 832 |
Trading Securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 644 | 666 | 67
Items Included in Net Income | (3) | 11 | 17
Issuances, Sales, Maturities, Settlements, Calls, Net | 210 | (32) | 850
Transfers Into or Out of Level 3, Net | (23) | (1) | (268)
Ending Fair Value | 828 | 644 | 666
Equity Securities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 59 | 30 | 25
Items Included in Net Income | 39 | 4 | (12)
Issuances, Sales, Maturities, Settlements, Calls, Net | (3) | 20 | 17
Transfers Into or Out of Level 3, Net |  | 5 |
Ending Fair Value | 95 | 59 | 30
Derivative Investments [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 1,542 | 868 | 534
Items Included in Net Income | 1,255 | 986 | 10
Gains (Losses) in OCI and Other | (3) | 267 | 163
Issuances, Sales, Maturities, Settlements, Calls, Net | (139) | (363) | 161
Transfers Into or Out of Level 3, Net | (2,634) | (216) |
Ending Fair Value | 21 | 1,542 | 868
GLB Direct Embedded Derivatives [Member] | Other Assets [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 450 | 450 | 123
Items Included in Net Income | 1,513 |  | 327
Ending Fair Value | 1,963 | 450 | 450
GLB Direct Embedded Derivatives [Member] | Other Liabilities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  | (9) |
Items Included in Net Income |  | 9 |
Ending Fair Value |  |  | (9)
GLB Ceded Embedded Derivatives [Member] | Other Assets [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 82 | 60 | 72
Items Included in Net Income | (26) | 22 | (12)
Ending Fair Value | 56 | 82 | 60
GLB Ceded Embedded Derivatives [Member] | Other Liabilities [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value |  | (9) |
Items Included in Net Income | (182) |  | (9)
Ending Fair Value | (182) |  | (9)
Indexed Annuity And IUL Contracts [Member] | Other Assets [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | 550 | 927 | 902
Items Included in Net Income | 87 | 538 | 158
Issuances, Sales, Maturities, Settlements, Calls, Net | (109) | (915) | (133)
Ending Fair Value | 528 | 550 | 927
Indexed Annuity And IUL Contracts [Member] | Future Contract Benefits [Member] |  |  |
Level 3 Unobservable Input Reconciliation |  |  |
Beginning Fair Value | (3,594) | (2,585) | (1,305)
Items Included in Net Income | (2,709) | (1,009) | (900)
Issuances, Sales, Maturities, Settlements, Calls, Net | 172 |  | (380)
Ending Fair Value | $ (6,131) | $ (3,594) | $ (2,585)

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