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v3.23.1

Variable Interest Entities Special Purpose Entities, including Variable Interest Entities - Summary of Assets and Liabilities (Details) $ in Millions | Mar. 31, 2023 USD ($) Entity | Dec. 31, 2022 USD ($) Entity | Mar. 31, 2022 USD ($)
--- | --- | --- | ---
Debt Securities, Available-for-sale, Amortized Cost | $ 1,983 | $ 2,041 |
Fixed maturity securities, at fair value | 1,923 |  |
Restricted Cash | 10 | 14 | $ 7
Derivative assets | 31 | 27 |
Other assets | 85 | 84 |
Total assets | 8,219 | 7,973 | 11,531
Interest Payable | 438 | 427 |
Long-term debt | 497 | 639 |
Derivative Liability | 44 | 38 |
Other Liabilities | 141 | 163 |
Liabilities | 6,892 | 6,647 |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 31 | 31 |
Variable Interest Entity, Primary Beneficiary [Member] |  |  |
Fixed maturity securities, at fair value | 2,119 | 1,967 |
Restricted Cash | 256 | 17 | $ 49
Financing Receivable, after Allowance for Credit Loss | 1,856 | 1,829 |
Derivative assets | 243 | 239 |
Other assets | 1 | 2 |
Total assets | 4,476 | 4,054 |
Long-term debt | 2,869 | 2,788 |
Long-term Debt, at par less amortized discount | 191 | 319 |
Long-term debt | 3,060 | 3,107 |
Derivative Liability | 1,174 | 1,048 |
Other Liabilities | 1 | 5 |
Liabilities | 4,489 | 4,160 |
Estimated Future Premium Payments Maximum Discounted Rate | 254 | 0 |
Variable Interest Entity, Primary Beneficiary [Member] | Corporate Debt Securities [Member] |  |  |
Fixed maturity securities, at fair value | 2,003 | 1,828 |
Variable Interest Entity, Primary Beneficiary [Member] | Municipal Bonds [Member] |  |  |
Debt Securities, Available-for-sale, Amortized Cost | 99 | 99 |
Fixed maturity securities, at fair value | 100 | 96 |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | (1) | (4) |
Available-for-Sale Securities, Accumulated Gross Unrealized Gain, before Tax | 2 | 1 |
Variable Interest Entity, Primary Beneficiary [Member] | US States and Political Subdivisions Debt Securities |  |  |
Fixed maturity securities, at fair value | 16 | 43 |
Variable Interest Entity, Primary Beneficiary [Member] | Ambac UK [Member] |  |  |
Fixed maturity securities, at fair value | 2,003 | 1,828 |
Restricted Cash | 255 | 1 |
Financing Receivable, after Allowance for Credit Loss | 1,856 | 1,829 |
Derivative assets | 243 | 239 |
Other assets | 0 | 0 |
Total assets | 4,358 | 3,896 |
Long-term debt | 2,869 | 2,788 |
Long-term Debt, at par less amortized discount | 0 | 0 |
Long-term debt | 2,869 | 2,788 |
Derivative Liability | 1,174 | 1,048 |
Cash collateral payable | 254 |  |
Other Liabilities | 0 | 0 |
Liabilities | 4,297 | 3,836 |
Estimated Future Premium Payments Maximum Discounted Rate |  | 0 |
Variable Interest Entity, Primary Beneficiary [Member] | Ambac UK [Member] | Corporate Debt Securities [Member] |  |  |
Fixed maturity securities, at fair value | 2,003 | 1,828 |
Variable Interest Entity, Primary Beneficiary [Member] | Ambac UK [Member] | Municipal Bonds [Member] |  |  |
Fixed maturity securities, at fair value | 0 | 0 |
Variable Interest Entity, Primary Beneficiary [Member] | Ambac UK [Member] | US States and Political Subdivisions Debt Securities |  |  |
Fixed maturity securities, at fair value | 0 | 0 |
Variable Interest Entity, Primary Beneficiary [Member] | Ambac Assurance [Member] |  |  |
Fixed maturity securities, at fair value | 116 | 139 |
Restricted Cash | 1 | 16 |
Financing Receivable, after Allowance for Credit Loss | 0 | 0 |
Derivative assets | 0 | 0 |
Other assets | 1 | 2 |
Total assets | 118 | 157 |
Long-term debt | 0 | 0 |
Long-term Debt, at par less amortized discount | 191 | 319 |
Long-term debt | 191 | 319 |
Derivative Liability | 0 | 0 |
Other Liabilities | 1 | 5 |
Liabilities | 192 | 324 |
Estimated Future Premium Payments Maximum Discounted Rate | 0 | 0 |
Variable Interest Entity, Primary Beneficiary [Member] | Ambac Assurance [Member] | Corporate Debt Securities [Member] |  |  |
Fixed maturity securities, at fair value | 0 | 0 |
Variable Interest Entity, Primary Beneficiary [Member] | Ambac Assurance [Member] | Municipal Bonds [Member] |  |  |
Fixed maturity securities, at fair value | 100 | 96 |
Variable Interest Entity, Primary Beneficiary [Member] | Ambac Assurance [Member] | US States and Political Subdivisions Debt Securities |  |  |
Fixed maturity securities, at fair value | $ 16 | $ 43 |
Consolidated Entities [Member] |  |  |
Number Of Consolidated Variable Interest Entities | Entity | 8 | 9 |
Consolidated Entities [Member] | Ambac UK [Member] |  |  |
Number Of Consolidated Variable Interest Entities | Entity | 4 | 5 |
Consolidated Entities [Member] | Ambac Assurance [Member] |  |  |
Number Of Consolidated Variable Interest Entities | Entity | 4 | 4 |

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