Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues:
Premiums	$ 31,961	$ 28,840	$ 63,635	$ 56,955
Services	2,865	2,447	5,571	4,851
Products	1,223	1,037	2,453	2,035
Investment and other income	214	250	360	441
Total revenues	36,263	32,574	72,019	64,282
Operating costs:
Medical costs	26,026	23,523	51,715	46,731
Operating costs	5,852	5,206	11,801	10,400
Cost of products sold	1,111	929	2,211	1,821
Depreciation and amortization	379	364	757	724
Total operating costs	33,368	30,022	66,484	59,676
Earnings from operations	2,895	2,552	5,535	4,606
Interest expense	(151)	(155)	(301)	(315)
Earnings before income taxes	2,744	2,397	5,234	4,291
Provision for income taxes	(1,159)	(989)	(2,236)	(1,784)
Net earnings	$ 1,585	$ 1,408	$ 2,998	$ 2,507
Earnings per common share:
Basic	$ 1.66	$ 1.44	$ 3.15	$ 2.56
Diluted	$ 1.64	$ 1.42	$ 3.10	$ 2.52
Basic weighted-average number of common shares outstanding	952	979	953	981
Dilutive effect of common share equivalents	14	12	14	13
Diluted weighted-average number of common shares outstanding	966	991	967	994
Anti-dilutive shares excluded from the calculation of dilutive effect of common share equivalents	8	8	8	9
Cash dividends declared per common share	$ 0.5000	$ 0.3750	$ 0.8750	$ 0.6550