Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenues:
Premiums	$ 18,984	$ 17,182	$ 56,927	$ 51,749
Net investment income	246	204	832	550
Total revenues	73,794	67,056	215,507	199,152
Operating costs:
Cost of products sold	$ 45,011	$ 40,940	$ 129,425	$ 121,529
Cost, Product and Service [Extensible List]	Products	Products	Products	Products
Benefit costs	$ 16,081	$ 14,396	$ 47,686	$ 40,534
Goodwill impairment	431	0	431	0
Operating expenses	9,210	8,471	27,001	25,702
Total operating costs	70,733	63,807	204,543	187,765
Operating income	3,061	3,249	10,964	11,387
Interest expense	602	731	1,895	2,229
Loss on early extinguishment of debt	363	766	363	766
Other income	(49)	(54)	(144)	(153)
Income before income tax provision	2,145	1,806	8,850	8,545
Income tax provision	558	587	2,248	2,328
Net income	1,587	1,219	6,602	6,217
Net (income) loss attributable to noncontrolling interests	11	5	2	(11)
Net income attributable to CVS Health	$ 1,598	$ 1,224	$ 6,604	$ 6,206
Net income per share attributable to CVS Health:
Net income per share attributable to CVS Health, basic (in dollars per share)	$ 1.21	$ 0.93	$ 5.01	$ 4.74
Net income per share attributable to CVS Health, diluted (in dollars per share)	$ 1.20	$ 0.93	$ 4.98	$ 4.72
Weighted average shares outstanding:
Weighted average basic shares outstanding (in shares)	1,321	1,310	1,318	1,308
Weighted average diluted shares outstanding (in shares)	1,329	1,315	1,326	1,314
Dividends declared per share (in dollars per share)	$ 0.50	$ 0.50	$ 1.50	$ 1.50
Products
Revenues:
Revenues	$ 51,853	$ 47,738	$ 149,765	$ 141,096
Services
Revenues:
Revenues	$ 2,711	$ 1,932	$ 7,983	$ 5,757