Consolidated Balance Sheets - (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Fixed maturities securities at amortized cost	$ 43,481	$ 42,414
Marketable securities fixed maturities allowance for credit loss	45	16
Equity securities at cost	632	686
Mortgage loans on real estate commercial and consumer allowance for credit loss	35	35
Allowance for uncollectible reinsurance	21	22
Allowance for uncollectible insurance receivables	26	28
Accumulated depreciation on property and equipment	314	296
Other assets	2,591	2,534
Other liabilities	$ 2,996	$ 2,897
Common stock, par value (in usd per share)	$ 2.50	$ 2.50
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Common stock, shares issued (in shares)	273,040,243	273,040,243
Common stock, shares outstanding (in shares)	270,844,681	270,881,457
Treasury stock, shares (in shares)	2,195,562	2,158,786
Related Party
Other assets	$ 0	$ 23
Other liabilities	$ 47	$ 28