XML 12 R5.htm IDEA: XBRL DOCUMENT v3.24.3
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Sep. 30, 2024
Dec. 31, 2023
Statement of Financial Position [Abstract]    
Fixed maturities, amortized cost $ 8,936.5 $ 8,573.9
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 20,000,000.0 20,000,000.0
Preferred stock, issued 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 300,000,000.0 300,000,000.0
Common stock, shares issued 60,500,000 60,500,000
Treasury stock, shares 24,500,000 24,700,000