Consolidated Balance Sheet (Unaudited at March 31, 2015) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Assets
Fixed maturities, available for sale, at fair value (amortized cost $59,916 and $60,801)	$ 62,769	$ 63,474
Equity securities, available for sale, at fair value (cost $563 and $579)	866	899
Real estate investments	929	938
Short-term securities	4,490	4,364
Other investments	3,565	3,586
Total investments	72,619	73,261
Cash	308	374	260	294
Investment income accrued	628	685
Premiums receivable	6,528	6,298
Reinsurance recoverables	9,142	9,260
Ceded unearned premiums	830	678
Deferred acquisition costs	1,847	1,835
Deferred taxes		33
Contractholder receivables	4,396	4,362
Goodwill	3,590	3,611
Other intangible assets	292	304
Other assets	2,511	2,377
Total assets	102,691	103,078
Liabilities
Claims and claim adjustment expense reserves	48,994	49,850
Unearned premium reserves	11,954	11,839
Contractholder payables	4,396	4,362
Payables for reinsurance premiums	485	336
Deferred taxes	126
Debt	6,349	6,349
Other liabilities	5,540	5,506
Total liabilities	77,844	78,242
Shareholders' equity
Common stock (1,750.0 shares authorized; 318.7 and 322.2 shares issued and outstanding)	21,982	21,843	21,603	21,500
Retained earnings	27,906	27,251	25,167	24,291
Accumulated other comprehensive income	769	880	1,127	810
Treasury stock, at cost (443.6 and 437.3 shares)	(25,810)	(25,138)	(22,510)	(21,805)
Total shareholders' equity	24,847	24,836	25,387
Total liabilities and shareholders' equity	$ 102,691	$ 103,078