v3.26.3
Variable Interest Entities - Additional Information (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2026
USD ($)
policy
Entity
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
policy
Entity
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Entity
policy
Variable Interest Entity [Line Items]          
Assets $ 12,435,000,000   $ 12,435,000,000   $ 12,176,000,000
Number of policies monitored | policy 16,000   16,000    
Number of policies monitored, not within the scope of ASC 810 | policy 15,000   15,000    
Number of policies that contain provisions for consolidation | policy 50   50   53
Net fair value gains and losses on FG VIEs are expected to reverse to zero at maturity of the VIE debt $ 833,000,000   $ 833,000,000    
Financial Guaranty Variable Interest Entities | Variable Interest Entity, Primary Beneficiary          
Variable Interest Entity [Line Items]          
Number of entities | Entity 23   23   24
Maximum loss exposure $ 0   $ 0    
Gains (losses) on FG VIEs 1,000,000 $ 3,000,000 3,000,000 $ 6,000,000  
Assets $ 192,000,000   192,000,000   $ 212,000,000
Assets of CIVs | Sound Point Agreement          
Variable Interest Entity [Line Items]          
Gain on deconsolidation     $ 2,000,000    
Assets of CIVs | Variable Interest Entity, Primary Beneficiary          
Variable Interest Entity [Line Items]          
Total number of entities consolidated | Entity 0   0   1
Assets         $ 175,000,000
Annuity Reinsurance Variable Interest Entity | Variable Interest Entity, Primary Beneficiary          
Variable Interest Entity [Line Items]          
Assets $ 571,000,000   $ 571,000,000