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Schedule V Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Jan. 01, 2022 | Jan. 01, 2021 | Jan. 01, 2020 | Dec. 31, 2019
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] |  |  |  |  |  |  |
Movement in Valuation allowance and reserves |  |  |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  |  | $ 2
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Retained Earnings |  |  |  |  |  |  |
Movement in Valuation allowance and reserves |  |  |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  | $ (18) |
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Retained Earnings | Reinsurance Recoverable Including Reinsurance Premium Paid [Member] |  |  |  |  |  |  |
Movement in Valuation allowance and reserves |  |  |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  | 2 |
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Retained Earnings | Premiums Receivable [Member] |  |  |  |  |  |  |
Movement in Valuation allowance and reserves |  |  |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  | 23 |
Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-13 [Member] | Retained Earnings | Commercial Loan [Member] |  |  |  |  |  |  |
Movement in Valuation allowance and reserves |  |  |  |  |  |  |
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest |  |  |  |  |  | 19 |
SEC Schedule, 12-09, Allowance, Loss on Finance Receivable |  |  |  |  |  |  |
Movement in Valuation allowance and reserves |  |  |  |  |  |  |
Valuation allowances and reserves | $ 12 | $ 1 | $ 23 | $ 1 | $ 23 |  |
Increase (decrease) in Costs and Expenses | 18 | (4) | 30 |  |  |  |
Write-offs/ Payments/ Other | 7 | 18 | 7 |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount | 12 | 1 | 23 | 1 | 23 |  |
SEC Schedule, 12-09, Allowance, Loan and Lease Loss, Real Estate [Member] |  |  |  |  |  |  |
Movement in Valuation allowance and reserves |  |  |  |  |  |  |
Valuation allowances and reserves | 36 | 29 | 38 | 29 | 38 | 19 |
Increase (decrease) in Costs and Expenses | 7 | (9) | 19 |  |  |  |
Write-offs/ Payments/ Other | 0 | 0 | 0 |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount | 36 | 29 | 38 | 29 | 38 | 19 |
SEC Schedule, 12-09, Allowance, Uncollectible Premium Receivable |  |  |  |  |  |  |
Movement in Valuation allowance and reserves |  |  |  |  |  |  |
Valuation allowances and reserves | 109 | 105 | 152 | 105 | 152 | 122 |
Increase (decrease) in Costs and Expenses | 51 | 4 | 74 |  |  |  |
Write-offs/ Payments/ Other | 47 | 51 | 44 |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount | 109 | 105 | 152 | 105 | 152 | 122 |
SEC Schedule, 12-09, Allowance, Reinsurance Recoverable [Member] |  |  |  |  |  |  |
Movement in Valuation allowance and reserves |  |  |  |  |  |  |
Valuation allowances and reserves | 105 | 99 | 108 | 99 | 108 | 116 |
Increase (decrease) in Costs and Expenses | 3 | 3 | 4 |  |  |  |
Write-offs/ Payments/ Other | 3 | 12 | 12 |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount | 105 | 99 | 108 | 99 | 108 | 116 |
Valuation allowance for deferred taxes |  |  |  |  |  |  |
Movement in Valuation allowance and reserves |  |  |  |  |  |  |
Valuation allowances and reserves | 27 | 7 | 4 | 7 | 4 | 4 |
Increase (decrease) in Costs and Expenses | 20 | 9 | 9 |  |  |  |
Write-offs/ Payments/ Other | 0 | 6 | 9 |  |  |  |
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount | $ 27 | $ 7 | $ 4 | $ 7 | $ 4 | $ 4 |

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