CONSOLIDATED CONDENSED BALANCE SHEETS (Unaudited) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Investments:
Fixed maturities, allowance for credit loss	$ 75	$ 69
Equity securities, cost	1,372	1,201
Other invested assets, primarily mortgage loans, allowance for credit loss	$ 15	$ 15
Shareholders' equity:
Preferred stock, par value (in dollars per share)	$ 0.10	$ 0.10
Preferred stock, shares authorized (in shares)	100,000,000	100,000,000
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	1,800,000,000	1,800,000,000
Common stock, shares issued (in shares)	206,054,049	206,003,999
Treasury stock, shares (in shares)	285,176	0