v3.26.1
Additional Insurance Liabilities - Schedule of Balances of and Changes in Additional Insurance Liabilities (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Additional Liability, Long-Duration Insurance [Roll Forward]        
Beginning balance $ 2,986 $ 2,920 $ 2,920  
Beginning balance before shadow accounting adjustments 3,052 3,003 3,003  
Effect of changes in cash flow assumptions     0 $ (15)
Effect of actual variances from expected experience     2 11
Adjusted beginning balance     3,054 $ 2,999
Issuances 0   0  
Interest accretion 26 $ 25 102  
Assessments collected 56   230  
Benefit payments (66)   (279)  
Derecognition (lapses and withdrawals) 0   0  
Other (flooring adjustment) 0   0  
Ending balance before shadow accounting adjustments 3,070   3,052  
Effect of shadow accounting adjustments (77)   (66)  
Ending balance 2,993   2,986  
Less: reinsurance recoverable 0   0  
Additional insurance liabilities, net of reinsurance recoverable $ 2,993   $ 2,986  
Weighted-average liability duration (years) 16 years 7 months 6 days   16 years 9 months 18 days