v3.25.2
INVESTMENTS - Narrative (Details)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
security
Jun. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
security
Debt Securities, Available-for-Sale [Line Items]          
Fair value of investments in unrealized loss position $ 6,701   $ 6,701   $ 9,697
Gross unrealized losses on investments in unrealized loss position 419   419   569
Fixed maturity securities, duration of unrealized loss, less than 12 months, gross unrealized depreciation 89   89   172
Fixed maturity securities, duration of unrealized loss, greater than 12 months, gross unrealized depreciation 330   330   397
Additional contractual commitments 1,900   1,900    
Cash surrender value of life insurance 1,800   $ 1,800   $ 1,700
Number of securities held as primary beneficiary | security     0   0
Maximum exposure to loss 1,800   $ 1,800   $ 1,900
Commitments to fund investments 809   809    
Debt Securities, Held-to-Maturity, Sale     11    
Gross losses from sales 0 $ 0 $ 1 $ 0  
Investments, Debt Securities Benchmark | Issuer Concentration Risk | Issuer One          
Debt Securities, Available-for-Sale [Line Items]          
Concentration percentage of overall fair value of fixed maturity securities available for sale     1.10%   1.10%
Investments, Debt Securities Benchmark | Issuer Concentration Risk | Issuer Two, Less Than          
Debt Securities, Available-for-Sale [Line Items]          
Concentration percentage of overall fair value of fixed maturity securities available for sale     0.20%   0.50%
Investment Grade          
Debt Securities, Available-for-Sale [Line Items]          
Fixed maturity securities, duration of unrealized loss, less than 12 months, gross unrealized depreciation 65   $ 65   $ 167
Fixed maturity securities, duration of unrealized loss, greater than 12 months, gross unrealized depreciation 320   320   377
Fixed maturities          
Debt Securities, Available-for-Sale [Line Items]          
Fixed maturity securities, duration of unrealized loss, less than 12 months, gross unrealized depreciation         172
Fixed maturity securities, duration of unrealized loss, greater than 12 months, gross unrealized depreciation $ 330   $ 330   $ 397