Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Investments
Fixed maturities, at fair value (amortized cost: 2021—$12,034; 2020—$11,312)	$ 12,908	$ 12,338
Equity securities, at fair value (cost: 2021—$4,096; 2020—$3,927)	9,887	8,856
Other invested assets	418	348
Total investments	23,213	21,542
Cash and cash equivalents	1,085	900
Investment income receivable	142	136
Finance receivable	98	95
Premiums receivable	2,106	1,879
Reinsurance Recoverable	548	517
Prepaid reinsurance premiums	87	65
Deferred policy acquisition costs	915	805
Land, building and equipment, net, for company use (accumulated depreciation: 2021—$299; 2020—$285)	209	213
Other assets	548	438
Separate accounts	956	952
Total assets	29,907	27,542
Insurance reserves
Loss and loss expense reserves	7,292	6,746
Life policy and investment contract reserves	2,999	2,915
Unearned premiums	3,342	2,960
Other liabilities	1,120	982
Deferred income tax	1,453	1,299
Note payable	59	54
Long-term debt and lease obligations	845	845
Separate accounts	956	952
Total liabilities	18,066	16,753
Commitments and contingent liabilities (Note 12)
Shareholders' Equity
Common stock, par value—$2 per share; (authorized: 2021 and 2020—500 million shares; issued: 2021 and 2020—198.3 million shares)	397	397
Paid-in capital	1,344	1,328
Retained earnings	11,257	10,085
Accumulated other comprehensive income	663	769
Treasury stock at cost (2021—37.2 million shares and 2020—37.4 million shares)	(1,820)	(1,790)
Total shareholders' equity	11,841	10,789
Total liabilities and shareholders' equity	$ 29,907	$ 27,542