Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Investments
Fixed maturities, at fair value (amortized cost: 2020—$11,312; 2019—$11,108)	$ 12,338	$ 11,698
Equity securities, at fair value (cost: 2020—$3,927; 2019—$3,581)	8,856	7,752
Other invested assets	348	296
Total investments	21,542	19,746
Cash and cash equivalents	900	767
Investment income receivable	136	133
Finance receivable	95	77
Premiums receivable	1,879	1,777
Reinsurance recoverable	517	610
Prepaid reinsurance premiums	65	54
Deferred policy acquisition costs	805	774
Land, building and equipment, net, for company use (accumulated depreciation: 2020—$285; 2019—$276)	213	207
Other assets	438	381
Separate accounts	952	882
Total assets	27,542	25,408
Insurance reserves
Loss and loss expense reserves	6,746	6,147
Life policy and investment contract reserves	2,915	2,835
Unearned premiums	2,960	2,788
Other liabilities	982	928
Deferred income tax	1,299	1,079
Note payable	54	39
Long-term debt and lease obligations	845	846
Separate accounts	952	882
Total liabilities	16,753	15,544
Commitments and contingent liabilities (Note 16)	0	0
Shareholders' Equity
Common stock, par value—$2 per share; (authorized: 2020 and 2019—500 million shares; issued: 2020 and 2019—198.3 million shares)	397	397
Paid-in capital	1,328	1,306
Retained earnings	10,085	9,257
Accumulated other comprehensive income	769	448
Treasury stock, at cost (2020—37.4 million shares and 2019—35.4 million shares)	(1,790)	(1,544)
Total shareholders' equity	10,789	9,864
Total liabilities and shareholders' equity	$ 27,542	$ 25,408