Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Investments
Fixed maturities, at fair value (amortized cost: 2021—$11,478; 2020—$11,312)	$ 12,308	$ 12,338
Equity securities, at fair value (cost: 2021—$3,938; 2020—$3,927)	9,360	8,856
Other invested assets	350	348
Total investments	22,018	21,542
Cash and cash equivalents	947	900
Investment income receivable	134	136
Finance receivable	99	95
Premiums receivable	2,048	1,879
Reinsurance Recoverable	511	517
Prepaid reinsurance premiums	68	65
Deferred policy acquisition costs	880	805
Land, building and equipment, net, for company use (accumulated depreciation: 2021—$290; 2020—$285)	213	213
Other assets	466	438
Separate accounts	929	952
Total assets	28,313	27,542
Insurance reserves
Loss and loss expense reserves	6,950	6,746
Life policy and investment contract reserves	2,950	2,915
Unearned premiums	3,181	2,960
Other liabilities	887	982
Deferred income tax	1,373	1,299
Note payable	57	54
Long-term debt and lease obligations	848	845
Separate accounts	929	952
Total liabilities	17,175	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	1,322	1,328
Retained earnings	10,603	10,085
Accumulated other comprehensive income	625	769
Treasury stock at cost (2021—37.3 million shares and 2020—37.4 million shares)	(1,809)	(1,790)
Total shareholders' equity	11,138	10,789
Total liabilities and shareholders' equity	$ 28,313	$ 27,542