CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 3,198	$ 2,819
Investments	2,056	1,758
Receivables	1,006	974
Income taxes refundable	0	39
Prepaid expenses and other current assets	142	131
Derivative asset	0	267
Total current assets	6,402	5,988
Property, equipment, and capitalized software, net	447	454
Deferred contract costs	89	86
Intangible assets, net	131	140
Goodwill	620	620
Restricted investments	115	110
Deferred income taxes	10	10
Derivative asset	181	0
Other assets	43	41
Total assets	8,038	7,449
Current liabilities:
Medical claims and benefits payable	1,926	1,929
Amounts due government agencies	1,575	1,202
Accounts payable and accrued liabilities	438	385
Deferred revenue	461	315
Income taxes payable	21	0
Current portion of long-term debt	1	472
Derivative liability	0	267
Total current liabilities	4,422	4,570
Senior notes	1,455	975
Lease financing obligations	198	198
Deferred income taxes	11	15
Derivative liability	181	0
Other long-term liabilities	44	42
Total liabilities	6,311	5,800
Stockholders’ equity:
Common stock, $0.001 par value; 150 shares authorized; outstanding: 57 shares at March 31, 2017 and December 31, 2016	0	0
Preferred stock, $0.001 par value; 20 shares authorized, no shares issued and outstanding	0	0
Additional paid-in capital	841	841
Accumulated other comprehensive loss	(1)	(2)
Retained earnings	887	810
Total stockholders’ equity	1,727	1,649
Total liabilities and stockholders' equity	$ 8,038	$ 7,449