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v3.22.4

Variable Interest Entities Special Purpose Entities, including Variable Interest Entities - Summary of Assets and Liabilities (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2022 USD ($) Entity | Dec. 31, 2021 USD ($) | Dec. 31, 2021 USD ($) Entity | Dec. 31, 2020 USD ($)
Available-for-sale Securities, Amortized Cost Basis | $ 2,041 | $ 2,041 | $ 2,140 | $ 2,140 |
Available-for-sale Securities | 1,966 | 1,966 |  |  |
Restricted Cash | 14 | 14 | 5 | 5 | $ 13
Derivative assets | 27 | 27 | 76 | 76 |
Other assets | 84 | 84 | 68 | 68 |
Assets | 7,973 | 7,973 | 12,303 | 12,303 |
Accrued interest payable | 427 | 427 | 576 | 576 |
Long-term debt | 639 | 639 | 2,230 | 2,230 |
Derivative liabilities | 38 | 38 | 95 | 95 |
Other liabilities | 163 | 163 | 133 | 133 |
Liabilities | 6,647 | 6,647 | 11,187 | 11,187 |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | 106 | 106 | 16 | 16 |
Variable Interest Entity [Member] |  |  |  |  |
Available-for-sale Securities | 1,967 | 1,967 | 3,455 | 3,455 |
Restricted Cash | 17 | 17 | 2 | 2 | $ 2
Loans, at fair value | 1,829 | 1,829 | 2,718 | 2,718 |
Derivative assets | 239 | 239 | 38 | 38 |
Other assets | 2 | 2 | 2 | 2 |
Assets | 4,054 | 4,054 | 6,216 | 6,216 |
Long-term Debt | 2,788 | 2,788 | 4,056 | 4,056 |
Long-term Debt, at par less amortized discount | 319 | 319 | 160 | 160 |
Long-term debt | 3,107 | 3,107 | 4,216 | 4,216 |
Derivative liabilities | 1,048 | 1,048 | 1,940 | 1,940 |
Other liabilities | 5 | 5 | 0 | 0 |
Liabilities | 4,160 | 4,160 | 6,156 | 6,156 |
Loans, Unpaid principal balance | 1,977 | 1,977 | 2,363 | 2,363 |
Long-term debt, Unpaid principal balance | 3,064 | 3,064 | 3,579 | 3,579 |
Variable Interest Entity [Member] | Ambac UK [Member] |  |  |  |  |
Available-for-sale Securities | 1,828 | 1,828 | 3,320 | 3,320 |
Restricted Cash | 1 | 1 | 1 | 1 |
Loans, at fair value | 1,829 | 1,829 | 2,718 | 2,718 |
Derivative assets | 239 | 239 | 38 | 38 |
Other assets | 0 | 0 | 0 | 0 |
Assets | 3,896 | 3,896 | 6,077 | 6,077 |
Long-term Debt | 2,788 | 2,788 | 4,056 | 4,056 |
Long-term Debt, at par less amortized discount | 0 | 0 | 0 | 0 |
Long-term debt | 2,788 | 2,788 | 4,056 | 4,056 |
Derivative liabilities | 1,048 | 1,048 | 1,940 | 1,940 |
Other liabilities | 0 | 0 | 0 | 0 |
Liabilities | 3,836 | 3,836 | 5,996 | 5,996 |
Variable Interest Entity [Member] | Ambac Assurance [Member] |  |  |  |  |
Available-for-sale Securities | 139 | 139 | 136 | 136 |
Restricted Cash | 16 | 16 | 1 | 1 |
Loans, at fair value | 0 | 0 | 0 | 0 |
Derivative assets | 0 | 0 | 0 | 0 |
Other assets | 2 | 2 | 2 | 2 |
Assets | 157 | 157 | 139 | 139 |
Long-term Debt | 0 | 0 | 0 | 0 |
Long-term Debt, at par less amortized discount | 319 | 319 | 160 | 160 |
Long-term debt | 319 | 319 | 160 | 160 |
Derivative liabilities | 0 | 0 | 0 | 0 |
Other liabilities | 5 | 5 | 0 | 0 |
Liabilities | 324 | 324 | 160 | 160 |
Variable Interest Entity [Member] | Corporate Debt Securities [Member] |  |  |  |  |
Available-for-sale Securities | 1,828 | 1,828 | 3,320 | 3,320 |
Variable Interest Entity [Member] | Corporate Debt Securities [Member] | Ambac UK [Member] |  |  |  |  |
Available-for-sale Securities | 1,828 | 1,828 | 3,320 | 3,320 |
Variable Interest Entity [Member] | Corporate Debt Securities [Member] | Ambac Assurance [Member] |  |  |  |  |
Available-for-sale Securities | 0 | 0 | 0 | 0 |
Variable Interest Entity [Member] | Municipal Bonds [Member] |  |  |  |  |
Available-for-sale Securities, Amortized Cost Basis | 99 | 99 | 106 | 106 |
Available-for-sale Securities | 96 | 96 | 136 | 136 |
Debt Securities, Trading | 43 | 43 | 0 | 0 |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | (4) | (4) |  |  |
Variable Interest Entity [Member] | Municipal Bonds [Member] | Ambac UK [Member] |  |  |  |  |
Available-for-sale Securities | 0 | 0 | 0 | 0 |
Debt Securities, Trading | 0 | 0 | 0 | 0 |
Variable Interest Entity [Member] | Municipal Bonds [Member] | Ambac Assurance [Member] |  |  |  |  |
Available-for-sale Securities | 96 | 96 | 136 | 136 |
Debt Securities, Trading | $ 43 | $ 43 | $ 0 | $ 0 |
Consolidated Entities [Member] |  |  |  |  |
Number of consolidated Variable Interest Entities | 3 | 9 | 0 | 6 |
Consolidated Entities [Member] | Ambac UK [Member] |  |  |  |  |
Number of consolidated Variable Interest Entities | Entity |  | 5 |  | 5 |
Consolidated Entities [Member] | Ambac Assurance [Member] |  |  |  |  |
Number of consolidated Variable Interest Entities | Entity |  | 4 |  | 1 |

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