Consolidated Balance Sheet (Unaudited at September 30, 2012) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Dec. 31, 2010
Assets
Fixed maturities, available for sale, at fair value (amortized cost $61,003 and $59,994)	$ 65,873	$ 64,232
Equity securities, available for sale, at fair value (cost $439 and $414)	629	559
Real estate investments	893	865
Short-term securities	3,641	3,594
Other investments	3,454	3,451
Total investments	74,490	72,701
Cash	220	214	231	200
Investment income accrued	705	768
Premiums receivable	6,040	5,730
Reinsurance recoverables	10,240	11,155
Ceded unearned premiums	987	828
Deferred acquisition costs	1,860	1,786
Deferred taxes		7
Contractholder receivables	4,886	5,186
Goodwill	3,365	3,365
Other intangible assets	393	433
Other assets	2,259	2,402
Total assets	105,445	104,575
Liabilities
Claims and claim adjustment expense reserves	50,258	51,392
Unearned premium reserves	11,624	11,102
Contractholder payables	4,886	5,186
Payables for reinsurance premiums	479	389
Deferred taxes	487
Debt	6,350	6,605
Other liabilities	5,456	5,424
Total liabilities	79,540	80,098
Shareholders' equity
Common stock (1,750.0 shares authorized; 382.0 and 392.8 shares issued and outstanding)	21,085	20,732	20,664	20,162
Retained earnings	21,226	19,579	19,127	18,847
Accumulated other comprehensive income	2,536	2,005	2,032	1,255
Treasury stock, at cost (366.8 and 349.0 shares)	(18,942)	(17,839)	(16,651)	(14,857)
Total shareholders' equity	25,905	24,477	25,172
Total liabilities and shareholders' equity	$ 105,445	$ 104,575