Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 4,937	$ 3,934
Fixed maturity securities, current (amortized cost of $19,021 and $16,894)	19,676	16,692
Equity Securities, current	1,009	1,493
Other invested assets, current	13	21
Accrued investment income	173	162
Premiums Receivable, Net	5,173	4,465
Self-Funded Receivables, Net	2,411	2,278
Other receivables	2,634	2,558
Income taxes receivable	335	10
Securities lending collateral	353	604
Other current assets	2,319	2,104
Total current assets	39,033	34,321
Fixed maturity securities (amortized cost of $487 and $486)	505	487
Equity securities	30	33
Other invested assets, long-term	4,228	3,726
Property and equipment, net	3,133	2,735
Goodwill	20,500	20,504
Other intangible assets	8,674	9,007
Other noncurrent assets	1,350	758
Total assets	77,453	71,571
Liabilities and shareholders' equity
Medical claims payable	8,842	7,454
Reserves for future policy benefits	85	75
Other policyholder liabilities	3,050	2,590
Total policy liabilities	11,977	10,119
Unearned income	1,017	902
Accounts payable and accrued expenses	4,198	4,959
Security trades pending payable	84	197
Securities lending payable	351	604
Short-term borrowings	700	1,145
Current portion of long-term debt	1,598	849
Other current liabilities	3,692	3,190
Total current liabilities	23,617	21,965
Long-term debt, less current portion	17,787	17,217
Reserves for future policy benefits, noncurrent	674	706
Deferred tax liabilities, net	2,227	1,960
Other noncurrent liabilities	1,420	1,182
Total liabilities	45,725	43,030
Commitments and contingencies-Note 13
Shareholders' equity
Preferred stock, without par value, shares authorized - 100,000,000; shares issued and outstanding - none	0	0
Common stock, par value $0.01, shares authorized - 900,000,000; shares issued and outstanding - 252,922,161 and 257,395,577	3	3
Additional paid-in capital	9,448	9,536
Retained earnings	22,573	19,988
Accumulated other comprehensive loss	(296)	(986)
Total shareholders' equity	31,728	28,541
Total liabilities and shareholders' equity	$ 77,453	$ 71,571