Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Investments
Fixed maturities, at fair value (amortized cost: 2018—$10,643; 2017—$10,314)	$ 10,689	$ 10,699
Equity securities, at fair value (cost: 2018—$3,368; 2017—$3,094)	5,920	6,249
Other invested assets	123	103
Total investments	16,732	17,051
Cash and cash equivalents	784	657
Investment income receivable	132	134
Finance receivable	71	61
Premiums receivable	1,644	1,589
Reinsurance recoverable	484	432
Prepaid reinsurance premiums	44	42
Deferred policy acquisition costs	738	670
Land, building and equipment, net, for company use (accumulated depreciation: 2018—$265; 2017—$253)	195	185
Other assets	308	216
Separate accounts	803	806
Total assets	21,935	21,843
Insurance reserves
Loss and loss expense reserves	5,707	5,273
Life policy and investment contract reserves	2,779	2,729
Unearned premiums	2,516	2,404
Other liabilities	804	792
Deferred income tax	627	745
Note payable	32	24
Long-term debt and capital lease obligations	834	827
Separate accounts	803	806
Total liabilities	14,102	13,600
Commitments and contingent liabilities (Note 16)	0	0
Shareholders' Equity
Common stock, par value—$2 per share; (authorized: 2018 and 2017—500 million shares; issued: 2018 and 2017—198.3 million shares)	397	397
Paid-in capital	1,281	1,265
Retained earnings	7,625	5,180
Accumulated other comprehensive income	22	2,788
Treasury stock at cost (2018—35.5 million shares and 2017—34.4 million shares)	(1,492)	(1,387)
Total shareholders' equity	7,833	8,243
Total liabilities and shareholders' equity	$ 21,935	$ 21,843