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SEC Schedule, Article 12-16, Supplementary Insurance Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Liability for Claims and Claims Adjustment Expense | $ 805 | $ 1,570 |
Unearned premiums | 372 | 395 |
Premiums Earned, Net | 56 | 47 | $ 54
Net Investment Income | 17 | 139 | 122
Policyholder Benefits and Claims Incurred, Net | (396) |  |
Deferred Policy Acquisition Costs, Amortization Expense | 3 | 1 | 0
General and Administrative Expense | 141 | 111 | 92
Premiums Written, Net | 23 | (33) | $ 0
Financial Guarantee |  |  |
Liability for Claims and Claims Adjustment Expense | 715 | 1,538 |
Deferred Policy Acquisition Cost | 0 | 0 |
Unearned premiums | 287 | 385 |
Premiums Earned, Net | 42 | 46 |
Net Investment Income | 12 | 138 |
Policyholder Benefits and Claims Incurred, Net | (406) | (89) |
Deferred Policy Acquisition Costs, Amortization Expense | 0 |  |
General and Administrative Expense | 104 | 78 |
Premiums Written, Net | (6) | (35) |
Property and Casualty, Commercial Insurance |  |  |
Liability for Claims and Claims Adjustment Expense | 90 | 32 |
Deferred Policy Acquisition Cost | 3 | 0 |
Unearned premiums | 85 | 10 |
Premiums Earned, Net | 14 | 1 |
Net Investment Income | 2 | 1 |
Policyholder Benefits and Claims Incurred, Net | 9 | 0 |
Deferred Policy Acquisition Costs, Amortization Expense | 3 | 0 |
General and Administrative Expense | 13 | 9 |
Premiums Written, Net | 29 | 3 |
Corporate and Other |  |  |
Net Investment Income | $ 3 | $ 1 |

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