v3.26.3
Variable Interest Entities - Consolidated FG VIE's By Type of Collateral (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Variable Interest Entity [Line Items]    
Assets $ 12,435 $ 12,176
Liabilities 7,007 6,387
Total assets carried at fair value 8,149 7,912
Total liabilities carried at fair value 164 218
Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Total assets carried at fair value 158 172
Total liabilities carried at fair value 140 197
Variable Interest Entity, Primary Beneficiary | Recourse | Financial Guaranty Variable Interest Entities    
Variable Interest Entity [Line Items]    
Liabilities 164 182
Variable Interest Entity, Primary Beneficiary | Nonrecourse | Financial Guaranty Variable Interest Entities    
Variable Interest Entity [Line Items]    
Liabilities 15 16
Variable Interest Entity, Primary Beneficiary | Other | Recourse | Financial Guaranty Variable Interest Entities    
Variable Interest Entity [Line Items]    
Liabilities 32 35
Variable Interest Entity, Primary Beneficiary | United States | RMBS | Recourse | Financial Guaranty Variable Interest Entities    
Variable Interest Entity [Line Items]    
Liabilities 132 147
Variable Interest Entity, Primary Beneficiary | United States | RMBS | Nonrecourse | Financial Guaranty Variable Interest Entities    
Variable Interest Entity [Line Items]    
Liabilities 8 9
Variable Interest Entity, Primary Beneficiary | United States | Other | Nonrecourse | Financial Guaranty Variable Interest Entities    
Variable Interest Entity [Line Items]    
Liabilities 7 7
Financial Guaranty Variable Interest Entities | Variable Interest Entity, Primary Beneficiary    
Variable Interest Entity [Line Items]    
Assets 192 212
Total assets carried at fair value 30 30
Financial Guaranty Variable Interest Entities | Variable Interest Entity, Primary Beneficiary | Recourse    
Variable Interest Entity [Line Items]    
Total liabilities carried at fair value 0 35
Financial Guaranty Variable Interest Entities | Variable Interest Entity, Primary Beneficiary | Nonrecourse    
Variable Interest Entity [Line Items]    
Total liabilities carried at fair value 0 6
Financial Guaranty Variable Interest Entities | Variable Interest Entity, Primary Beneficiary | Other    
Variable Interest Entity [Line Items]    
Assets 64 70
Contract asset related to service agreement 34 40
Financial Guaranty Variable Interest Entities | Variable Interest Entity, Primary Beneficiary | United States | RMBS    
Variable Interest Entity [Line Items]    
Assets $ 128 $ 142