CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenue:
Premium revenue	$ 4,049	$ 4,514	$ 8,001	$ 8,837
Premium tax revenue	110	106	248	210
Health insurer fees reimbursed	0	104	0	165
Service revenue	0	127	0	261
Investment income and other revenue	34	32	63	56
Total revenue	4,193	4,883	8,312	9,529
Operating expenses:
General and administrative expenses	328	335	630	687
Premium tax expenses	110	106	248	210
Health insurer fees	0	99	0	174
Depreciation and amortization	22	25	47	51
Restructuring costs	2	8	5	33
Total operating expenses	3,928	4,541	7,767	8,965
Operating income	265	342	545	564
Other expenses, net:
Interest expense	22	32	45	65
Other (income) expenses, net	(14)	5	(17)	15
Total other expenses, net	8	37	28	80
Income before income tax expense	257	305	517	484
Income tax expense	61	103	123	175
Net income	$ 196	$ 202	$ 394	$ 309
Net income per share:
Basic (in dollars per share)	$ 3.15	$ 3.29	$ 6.34	$ 5.10
Diluted (in dollars per share)	$ 3.06	$ 3.02	$ 6.04	$ 4.68
Health Care, Premium
Operating expenses:
Cost of revenue	$ 3,466	$ 3,850	$ 6,837	$ 7,572
Technology Service
Operating expenses:
Cost of revenue	$ 0	$ 118	$ 0	$ 238