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v3.19.3.a.u2

Fair Value of Financial Instruments (Components Of The Transfers In And Out Of Level 3) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract] |  |  |
Transfers Into Level 3 | $ 192 | $ 105 | $ 518
Transfers Out of Level 3 | (1,014) | (567) | (331)
Transfers Into or Out of Level 3, Net | (822) | (462) | 187
Corporate Bonds [Member] | Fixed Maturity AFS Securities [Member] |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract] |  |  |
Transfers Into Level 3 | 173 | 78 | 458
Transfers Out of Level 3 | (222) | (140) | (88)
Transfers Into or Out of Level 3, Net | (49) | (62) | 370
ABS [Member] | Fixed Maturity AFS Securities [Member] |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract] |  |  |
Transfers Into Level 3 | 9 |  |
Transfers Out of Level 3 | (495) |  |
Transfers Into or Out of Level 3, Net | (486) |  |
U.S. Government Bonds [Member] | Fixed Maturity AFS Securities [Member] |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract] |  |  |
Transfers Into Level 3 | 5 |  | 5
Transfers Into or Out of Level 3, Net | 5 |  | 5
RMBS [Member] | Fixed Maturity AFS Securities [Member] |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract] |  |  |
Transfers Out of Level 3 | (17) | (12) | (11)
Transfers Into or Out of Level 3, Net | (17) | (12) | (11)
CMBS [Member] | Fixed Maturity AFS Securities [Member] |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract] |  |  |
Transfers Into Level 3 |  | 1 | 3
Transfers Out of Level 3 | (7) | (40) | (59)
Transfers Into or Out of Level 3, Net | (7) | (39) | (56)
CLOs [Member] | Fixed Maturity AFS Securities [Member] |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract] |  |  |
Transfers Into Level 3 |  |  | 46
Transfers Out of Level 3 |  | (206) | (152)
Transfers Into or Out of Level 3, Net |  | (206) | (106)
State And Municipal Bonds [Member] | Fixed Maturity AFS Securities [Member] |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract] |  |  |
Transfers Into Level 3 |  |  | 2
Transfers Out of Level 3 |  |  | (1)
Transfers Into or Out of Level 3, Net |  |  | 1
Hybrid And Redeemable Preferred Securities [Member] | Fixed Maturity AFS Securities [Member] |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract] |  |  |
Transfers Out of Level 3 |  |  | (14)
Transfers Into or Out of Level 3, Net |  |  | (14)
Equity AFS Securities [Member] |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract] |  |  |
Transfers Out of Level 3 |  | (162) |
Transfers Into or Out of Level 3, Net |  | (162) |
Trading Securities [Member] |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract] |  |  |
Transfers Into Level 3 | 5 |  | 4
Transfers Out of Level 3 | (273) | (7) | (5)
Transfers Into or Out of Level 3, Net | $ (268) | (7) | (1)
Equity Securities [Member] |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net [Abstract] |  |  |
Transfers Into Level 3 |  | 26 |
Transfers Out of Level 3 |  |  | (1)
Transfers Into or Out of Level 3, Net |  | $ 26 | $ (1)

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