Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Investments
Fixed maturities, at fair value (amortized cost: 2023—$13,362; 2022—$12,979)	$ 12,678	$ 12,132
Equity securities, at fair value (cost: 2023—$4,311; 2022—$4,294)	9,967	9,841
Other invested assets	478	452
Total investments	23,123	22,425
Cash and cash equivalents	955	1,264
Investment income receivable	160	160
Finance receivable	94	92
Premiums receivable	2,509	2,322
Reinsurance recoverable	698	665
Prepaid reinsurance premiums	57	51
Deferred policy acquisition costs	1,048	1,013
Land, building and equipment, net, for company use (accumulated depreciation: 2023—$326; 2022—$322)	199	202
Other assets	732	646
Separate accounts	899	892
Total assets	30,474	29,732
Insurance reserves
Loss and loss expense reserves	8,693	8,400
Life policy and investment contract reserves	3,059	3,015
Unearned premiums	3,890	3,689
Other liabilities	1,193	1,229
Deferred income tax	1,104	1,054
Note payable	50	50
Long-term debt and lease obligations	845	841
Separate accounts	899	892
Total liabilities	19,733	19,170
Commitments and contingent liabilities (Note 12)
Shareholders' Equity
Common stock, par value—$2 per share; (authorized: 2023 and 2022—500 million shares; issued: 2023 and 2022—198.3 million shares)	397	397
Paid-in capital	1,398	1,392
Retained earnings	11,818	11,711
Accumulated other comprehensive income	(527)	(614)
Treasury stock at cost (2023—41.1 million shares and 2022—41.2 million shares)	(2,345)	(2,324)
Total shareholders' equity	10,741	10,562
Total liabilities and shareholders' equity	$ 30,474	$ 29,732