v3.25.4
INVESTMENTS - Narrative (Details)
$ in Millions
12 Months Ended
Dec. 31, 2025
USD ($)
security
Dec. 31, 2024
USD ($)
security
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Debt Securities, Available-for-Sale [Line Items]        
Reclassification of specific investments from fixed maturity securities, available for sale at fair value to fixed maturity securities, held to maturity at amortized cost net of credit allowances       $ 722
Unrealized loss from transfer $ 27      
Aggregate market value of investments in unrealized loss position 11,953 $ 18,332    
Gross unrealized losses on investments in unrealized loss position 619 1,157    
Fixed maturity securities, duration of unrealized loss, less than 12 months, gross unrealized depreciation 70 324    
Fixed maturity securities, duration of unrealized loss, greater than 12 months, gross unrealized depreciation 549 833    
Additional contractual commitments 2,500      
Other invested assets $ 1,900 $ 1,700    
Number of securities held as primary beneficiary | security 0 0    
Debt securities, held-to-maturity, sale $ 11      
Gross losses from sales (1) $ 0 $ 0  
Securities, carrying value 1,400      
Variable Interest Entity, Not Primary Beneficiary        
Debt Securities, Available-for-Sale [Line Items]        
Commitments to fund investments 1,400      
Partnership Interest        
Debt Securities, Available-for-Sale [Line Items]        
Maximum exposure to loss $ 3,900 $ 3,600    
Investments, Debt Securities Benchmark | Issuer Concentration Risk | Issuer One        
Debt Securities, Available-for-Sale [Line Items]        
Percentage threshold of unrealized losses not exceeded by any one single issuer (in percent) 1.70% 1.60%    
Investments, Debt Securities Benchmark | Issuer Concentration Risk | Issuer Two        
Debt Securities, Available-for-Sale [Line Items]        
Percentage threshold of unrealized losses not exceeded by any one single issuer (in percent) 0.20% 0.90%    
Fixed maturities        
Debt Securities, Available-for-Sale [Line Items]        
Fixed maturity securities, duration of unrealized loss, less than 12 months, gross unrealized depreciation   $ 324    
Fixed maturity securities, duration of unrealized loss, greater than 12 months, gross unrealized depreciation $ 549 833    
Investment Grade        
Debt Securities, Available-for-Sale [Line Items]        
Fixed maturity securities, duration of unrealized loss, less than 12 months, gross unrealized depreciation 66 319    
Fixed maturity securities, duration of unrealized loss, greater than 12 months, gross unrealized depreciation $ 540 $ 810