v3.26.1
FAIR VALUE DISCLOSURES - Narrative (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Fair Value Inputs Assets Quantitative Information [Line Items]      
Change in purchased market risk benefit asset fair value $ 35   $ 42
AFS fixed maturities transferred from Level 3 to Level 2 707 $ 882  
AFS fixed maturities transferred from Level 2 to Level 3 $ 828 $ 367  
Percentage of total equity representing AFS fixed maturities transferred 178.90% 47.90%  
Nonrecurring | Level 3      
Fair Value Inputs Assets Quantitative Information [Line Items]      
Investments, fair value $ 5,000   $ 3,500