Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Investments
Fixed maturities, at fair value (amortized cost: 2022—$12,979; 2021—$12,230)	$ 12,132	$ 13,022
Equity securities, at fair value (cost: 2022—$4,294; 2021—$4,121)	9,841	11,315
Other invested assets	452	329
Total investments	22,425	24,666
Cash and cash equivalents	1,264	1,139
Investment income receivable	160	144
Finance receivable	92	98
Premiums receivable	2,322	2,053
Reinsurance recoverable	640	570
Prepaid reinsurance premiums	79	78
Deferred policy acquisition costs	1,014	905
Land, building and equipment, net, for company use (accumulated depreciation: 2022—$322; 2021—$303)	202	205
Other assets	646	570
Separate accounts	892	959
Total assets	29,736	31,387
Insurance reserves
Loss and loss expense reserves	8,400	7,305
Life policy and investment contract reserves	3,059	3,014
Unearned premiums	3,689	3,271
Other liabilities	1,229	1,092
Deferred income tax	1,045	1,744
Note payable	50	54
Long-term debt and lease obligations	841	843
Separate accounts	892	959
Total liabilities	19,205	18,282
Commitments and contingent liabilities (Note 16)
Shareholders' Equity
Common stock, par value—$2 per share; (authorized: 2022 and 2021—500 million shares; issued: 2022 and 2021—198.3 million shares)	397	397
Paid-in capital	1,392	1,356
Retained earnings	11,702	12,625
Accumulated other comprehensive income	(636)	648
Treasury stock, at cost (2022—41.2 million shares and 2021—38.0 million shares)	(2,324)	(1,921)
Total shareholders' equity	10,531	13,105
Total liabilities and shareholders' equity	$ 29,736	$ 31,387