Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues:
Premiums	$ 18,983	$ 16,927	$ 37,943	$ 34,567
Net investment income	289	184	586	346
Total revenues	72,616	65,341	141,713	132,096
Operating costs:
Cost of products sold	$ 43,520	$ 40,242	$ 84,414	$ 80,589
Cost, Product and Service [Extensible List]	Products	Products	Products	Products
Benefit costs	$ 15,901	$ 11,751	$ 31,605	$ 26,138
Operating expenses	8,869	8,668	17,791	17,231
Total operating costs	68,290	60,661	133,810	123,958
Operating income	4,326	4,680	7,903	8,138
Interest expense	636	765	1,293	1,498
Other income	(45)	(45)	(95)	(99)
Income before income tax provision	3,735	3,960	6,705	6,739
Income tax provision	944	974	1,690	1,741
Net income	2,791	2,986	5,015	4,998
Net income attributable to noncontrolling interests	(8)	(11)	(9)	(16)
Net income attributable to CVS Health	$ 2,783	$ 2,975	$ 5,006	$ 4,982
Net income per share attributable to CVS Health:
Net income per share attributable to CVS Health, basic (in dollars per share)	$ 2.11	$ 2.27	$ 3.80	$ 3.81
Net income per share attributable to CVS Health, diluted (in dollars per share)	$ 2.10	$ 2.26	$ 3.78	$ 3.79
Weighted average shares outstanding:
Weighted average basic shares outstanding (in shares)	1,319	1,309	1,316	1,307
Weighted average diluted shares outstanding (in shares)	1,327	1,314	1,325	1,313
Dividends declared per share (in dollars per share)	$ 0.50	$ 0.50	$ 1.00	$ 1.00
Products
Revenues:
Revenues	$ 50,525	$ 46,355	$ 97,912	$ 93,358
Services
Revenues:
Revenues	$ 2,819	$ 1,875	$ 5,272	$ 3,825