CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Millions	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 2,842	$ 2,329
Investments	1,735	1,801
Receivables	1,053	597
Income taxes refundable	0	13
Prepaid expenses and other current assets	169	192
Derivative asset	314	374
Total current assets	6,113	5,306
Property, equipment, and capitalized software, net	450	393
Deferred contract costs	83	81
Intangible assets, net	149	122
Goodwill	619	519
Restricted investments	116	109
Deferred income taxes	0	18
Other assets	40	28
Total Assets	7,570	6,576
Current liabilities:
Medical claims and benefits payable	1,871	1,685
Amounts due government agencies	1,232	729
Accounts payable and accrued liabilities	383	362
Deferred revenue	380	223
Income taxes payable	19	0
Current portion of long-term debt	466	449
Derivative liability	314	374
Total current liabilities	4,665	3,822
Senior notes	971	962
Lease financing obligations	198	198
Deferred income taxes	6	0
Other long-term liabilities	39	37
Total liabilities	5,879	5,019
Stockholders’ equity:
Common stock, $0.001 par value; 150 shares authorized; outstanding: 57 shares at September 30, 2016 and 56 shares at December 31, 2015	0	0
Preferred stock, $0.001 par value; 20 shares authorized, no shares issued and outstanding	0	0
Additional paid-in capital	831	803
Accumulated other comprehensive gain (loss)	3	(4)
Retained earnings	857	758
Total stockholders' equity	1,691	1,557
Total liabilities and stockholders' equity	$ 7,570	$ 6,576