CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue:
Premium revenue	$ 4,304	$ 3,952
Premium tax revenue	150	138
Health insurer fees reimbursed	66	0
Investment income and other revenue	29	29
Total revenue	4,549	4,119
Operating expenses:
Medical care costs	3,716	3,371
General and administrative expenses	317	302
Premium tax expenses	150	138
Health insurer fees	68	0
Depreciation and amortization	20	25
Other	4	3
Total operating expenses	4,275	3,839
Operating income	274	280
Other expenses, net:
Interest expense	21	23
Other income, net	0	(3)
Total other expenses, net	21	20
Income before income tax expense	253	260
Income tax expense	75	62
Net income	$ 178	$ 198
Net income per share:
Basic (in dollars per share)	$ 2.95	$ 3.19
Diluted (in dollars per share)	$ 2.92	$ 2.99