XML 116 R106.htm IDEA: XBRL DOCUMENT v3.25.3
Contingencies (Details) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Commitments and Contingencies Disclosure [Abstract]    
Estimated liability related to guaranty fund assessments $ 10 $ 11
Related premium tax asset $ 8 $ 9