Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Investments
Fixed maturities, at fair value (amortized cost: 2023—$13,708; 2022—$12,979)	$ 12,870	$ 12,132
Equity securities, at fair value (cost: 2023—$4,382; 2022—$4,294)	10,502	9,841
Other invested assets	507	452
Total investments	23,879	22,425
Cash and cash equivalents	748	1,264
Investment income receivable	163	160
Finance receivable	98	92
Premiums receivable	2,749	2,322
Reinsurance recoverable	694	665
Prepaid reinsurance premiums	95	51
Deferred policy acquisition costs	1,109	1,013
Land, building and equipment, net, for company use (accumulated depreciation: 2023—$329; 2022—$322)	198	202
Other assets	708	646
Separate accounts	911	892
Total assets	31,352	29,732
Insurance reserves
Loss and loss expense reserves	8,873	8,400
Life policy and investment contract reserves	3,038	3,015
Unearned premiums	4,222	3,689
Other liabilities	1,253	1,229
Deferred income tax	1,158	1,054
Note payable	25	50
Long-term debt and lease obligations	842	841
Separate accounts	911	892
Total liabilities	20,322	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	1,410	1,392
Retained earnings	12,235	11,711
Accumulated other comprehensive income	(626)	(614)
Treasury stock at cost (2023—41.5 million shares and 2022—41.2 million shares)	(2,386)	(2,324)
Total shareholders' equity	11,030	10,562
Total liabilities and shareholders' equity	$ 31,352	$ 29,732