Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenues:
Premiums	$ 18,960	$ 17,640
Net investment income	297	162
Total revenues	69,097	66,755
Operating costs:
Cost of products sold	$ 40,894	$ 40,347
Cost, Product and Service [Extensible List]	Products	Products
Benefit costs	$ 15,704	$ 14,387
Operating expenses	8,922	8,563
Total operating costs	65,520	63,297
Operating income	3,577	3,458
Interest expense	657	733
Other income	(50)	(54)
Income before income tax provision	2,970	2,779
Income tax provision	746	767
Net income	2,224	2,012
Net income attributable to noncontrolling interests	(1)	(5)
Net income attributable to CVS Health	$ 2,223	$ 2,007
Net income per share attributable to CVS Health:
Net income per share attributable to CVS Health, basic (in dollars per share)	$ 1.69	$ 1.54
Net income per share attributable to CVS Health, diluted (in dollars per share)	$ 1.68	$ 1.53
Weighted average shares outstanding:
Weighted average basic shares outstanding (in shares)	1,313	1,306
Weighted average diluted shares outstanding (in shares)	1,322	1,312
Dividends declared per share (in dollars per share)	$ 0.50	$ 0.50
Products
Revenues:
Revenues	$ 47,387	$ 47,003
Services
Revenues:
Revenues	$ 2,453	$ 1,950