Consolidated Balance Sheet - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Assets
Fixed maturities, available for sale, at fair value (amortized cost $63,601 and $61,316)	$ 63,464	$ 62,694
Equity securities, at fair value (cost $382)	368
Equity securities, available for sale, at fair value (cost $440)		453
Real estate investments	904	932
Short-term securities	3,985	4,895
Other investments	3,557	3,528
Total investments	72,278	72,502
Cash	373	344	$ 307	$ 380
Investment income accrued	624	606
Premiums receivable	7,506	7,144
Reinsurance recoverables	8,370	8,309
Ceded unearned premiums	578	551
Deferred acquisition costs	2,120	2,025
Deferred taxes	445	70
Contractholder receivables	4,785	4,775
Goodwill	3,937	3,951
Other intangible assets	345	342
Other assets	2,872	2,864
Total assets	104,233	103,483
Liabilities
Claims and claim adjustment expense reserves	50,668	49,650
Unearned premium reserves	13,555	12,915
Contractholder payables	4,785	4,775
Payables for reinsurance premiums	289	274
Debt	6,564	6,571
Other liabilities	5,478	5,567
Total liabilities	81,339	79,752
Shareholders’ equity
Common stock (1,750.0 shares authorized; 263.7 and 271.5 shares issued, 263.6 and 271.4 shares outstanding)	23,144	22,886
Retained earnings	35,204	33,462
Accumulated other comprehensive loss	(1,859)	(343)
Treasury stock, at cost (510.9 and 500.9 shares)	(33,595)	(32,274)
Total shareholders’ equity	22,894	23,731	$ 23,221
Total liabilities and shareholders’ equity	$ 104,233	$ 103,483