XML 136 R115.htm IDEA: XBRL DOCUMENT v3.24.0.1
Variable Interest Entities Special Purpose Entities, including Variable Interest Entities - Summary of Assets and Liabilities (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2023
USD ($)
Dec. 31, 2023
USD ($)
Entity
Dec. 31, 2022
USD ($)
Dec. 31, 2022
USD ($)
Entity
Dec. 31, 2021
USD ($)
Fixed income securities, amortized cost $ 2,197 $ 2,197 $ 2,041 $ 2,041  
Available-for-sale Securities 1,710 1,710 1,395 1,395  
Restricted Cash 12 12 14 14 $ 5
Derivative assets 26 26 27 27  
Other assets 129 129 112 112  
Assets 8,428 8,428 7,973 7,973 12,303
Accrued interest payable 475 475 427 427  
Long-term debt 508 508 639 639  
Derivative liabilities 35 35 38 38  
Other liabilities 199 199 201 201  
Liabilities 6,997 6,997 6,647 6,647  
Available For Sale Securities Gross Unrealized Loss Accumulated In Investments 71 71 106 106  
Corporate Debt Securities [Member]          
Fixed income securities, amortized cost 785 785 659 659  
Available-for-sale Securities 745 745 598 598  
Available For Sale Securities Gross Unrealized Loss Accumulated In Investments 44 44 63 63  
Municipal Bonds [Member]          
Fixed income securities, amortized cost 72 72 44 44  
Available-for-sale Securities 72 72 43 43  
Available For Sale Securities Gross Unrealized Loss Accumulated In Investments 1 1 2 2  
Variable Interest Entity [Member]          
Available-for-sale Securities 2,167 2,167 1,967 1,967  
Restricted Cash 246 246 17 17 $ 2
Loans, at fair value 1,663 1,663 1,829 1,829  
Derivative assets 226 226 239 239  
Other assets 92 92 2 2  
Assets 4,394 4,394 4,054 4,054  
Long-term Debt 2,710 2,710 2,788 2,788  
Long-term Debt, at par less amortized discount 258 258 319 319  
Long-term debt 2,967 2,967 3,107 3,107  
Derivative liabilities 1,197 1,197 1,048 1,048  
Cash Collateral Payable 235 235 0 0  
Other liabilities 5 5 5 5  
Liabilities 4,404 4,404 4,160 4,160  
Loans, Unpaid principal balance 1,787 1,787 1,977 1,977  
Long-term debt, Unpaid principal balance 2,952 2,952 3,064 3,064  
Variable Interest Entity [Member] | Ambac UK [Member]          
Available-for-sale Securities 2,072 2,072 1,828 1,828  
Restricted Cash 245 245 1 1  
Loans, at fair value 1,663 1,663 1,829 1,829  
Derivative assets 226 226 239 239  
Other assets 90 90 0 0  
Assets 4,296 4,296 3,896 3,896  
Long-term Debt 2,710 2,710 2,788 2,788  
Long-term Debt, at par less amortized discount 99 99 0 0  
Long-term debt 2,808 2,808 2,788 2,788  
Derivative liabilities 1,197 1,197 1,048 1,048  
Cash Collateral Payable 235 235 0 0  
Other liabilities 4 4 0 0  
Liabilities 4,244 4,244 3,836 3,836  
Variable Interest Entity [Member] | Ambac Assurance [Member]          
Available-for-sale Securities 95 95 139 139  
Restricted Cash 1 1 16 16  
Loans, at fair value 0 0 0 0  
Derivative assets 0 0 0 0  
Other assets 2 2 2 2  
Assets 98 98 157 157  
Long-term Debt 0 0 0 0  
Long-term Debt, at par less amortized discount 159 159 319 319  
Long-term debt 159 159 319 319  
Derivative liabilities 0 0 0 0  
Cash Collateral Payable 0 0 0 0  
Other liabilities 1 1 5 5  
Liabilities 160 160 324 324  
Variable Interest Entity [Member] | Corporate Debt Securities [Member]          
Available-for-sale Securities 2,072 2,072 1,828 1,828  
Variable Interest Entity [Member] | Corporate Debt Securities [Member] | Ambac UK [Member]          
Available-for-sale Securities 2,072 2,072 1,828 1,828  
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]          
Fixed income securities, amortized cost 88 88 99 99  
Available-for-sale Securities 95 95 96 96  
Debt Securities, Trading 0 0 43 43  
Available For Sale Securities Gross Unrealized Loss Accumulated In Investments 0 0 (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 95 95 96 96  
Debt Securities, Trading $ 0 $ 0 $ 43 $ 43  
Consolidated Entities [Member]          
Number of consolidated Variable Interest Entities 1 6 3 9 0
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   2   4