Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues:
Premiums	$ 50,863	$ 47,397	$ 150,897	$ 142,074
Products	8,777	7,546	25,455	23,971
Services	5,124	4,942	14,265	13,756
Investment and other income	351	466	1,057	1,453
Total revenues	65,115	60,351	191,674	181,254
Operating costs:
Medical costs	41,636	39,041	117,314	117,164
Operating costs	10,174	8,960	30,190	25,892
Cost of products sold	7,935	6,627	23,123	21,606
Depreciation and amortization	719	709	2,159	2,002
Total operating costs	60,464	55,337	172,786	166,664
Earnings from operations	4,651	5,014	18,888	14,590
Interest expense	(395)	(449)	(1,262)	(1,267)
Earnings before income taxes	4,256	4,565	17,626	13,323
Provision for income taxes	(1,000)	(936)	(4,209)	(2,752)
Net earnings	3,256	3,629	13,417	10,571
Earnings attributable to noncontrolling interests	(84)	(91)	(226)	(273)
Net earnings attributable to UnitedHealth Group common shareholders	$ 3,172	$ 3,538	$ 13,191	$ 10,298
Earnings per share attributable to UnitedHealth Group common shareholders:
Basic	$ 3.34	$ 3.73	$ 13.90	$ 10.82
Diluted	$ 3.30	$ 3.67	$ 13.73	$ 10.65
Basic weighted-average number of common shares outstanding	950	949	949	952
Dilutive effect of common share equivalents	12	14	12	15
Diluted weighted-average number of common shares outstanding	962	963	961	967
Anti-dilutive shares excluded from the calculation of dilutive effect of common share equivalents	6	12	9	10