Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) shares in Millions, $ in Millions		Total	Total CVS Health Shareholders’ Equity	Common Shares	Treasury Shares		Common Stock and Capital Surplus	[2]	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests
Shares outstanding, balance at beginning of period (in shares) at Dec. 31, 2023				1,768
Treasury shares outstanding, balance at beginning of period (in shares) at Dec. 31, 2023	[1]				(480)
Balance at beginning of period at Dec. 31, 2023		$ 76,636	$ 76,461		$ (33,838)	[1]	$ 48,992		$ 61,604	$ (297)	$ 175
Shareholders' Equity [Roll Forward]
Net income		1,124	1,113						1,113		11
Other comprehensive income (loss)		(44)	(44)							(44)
Stock option activity, stock awards and other (in shares)				3
Stock option activity, stock awards and other		244	244				244
Purchases of treasury shares, net of ESPP issuances (in shares)	[1]				(39)
Purchase of treasury shares, net of ESPP issuances		(2,962)	(2,962)		$ (2,935)	[1]	(27)
Common stock dividends ($0.665 per share)		(844)	(844)						(844)
Other increases (decreases) in noncontrolling interests		(4)	0								(4)
Shares outstanding, balance at end of period (in shares) at Mar. 31, 2024				1,771
Treasury shares outstanding, balance at end of period (in shares) at Mar. 31, 2024	[1]				(519)
Balance at end of period at Mar. 31, 2024		$ 74,150	73,968		$ (36,773)	[1]	49,209		61,873	(341)	182
Shares outstanding, balance at beginning of period (in shares) at Dec. 31, 2024				1,778
Treasury shares outstanding, balance at beginning of period (in shares) at Dec. 31, 2024		(518)			(518)	[1]
Balance at beginning of period at Dec. 31, 2024		$ 75,730	75,560		$ (36,818)	[1]	49,661		62,837	(120)	170
Shareholders' Equity [Roll Forward]
Net income		1,782	1,779						1,779		3
Other comprehensive income (loss)		179	179							179
Stock option activity, stock awards and other (in shares)				1
Stock option activity, stock awards and other		176	176				176
ESPP issuances, net of purchase of treasury shares (in shares)	[1]				1
ESPP issuances, net of purchase of treasury shares		83	83		$ 83	[1]
Common stock dividends ($0.665 per share)		(848)	(848)						(848)
Other increases (decreases) in noncontrolling interests		$ 8	0								8
Shares outstanding, balance at end of period (in shares) at Mar. 31, 2025				1,779
Treasury shares outstanding, balance at end of period (in shares) at Mar. 31, 2025		(517)			(517)	[1]
Balance at end of period at Mar. 31, 2025		$ 77,110	$ 76,929		$ (36,735)	[1]	$ 49,837		$ 63,768	$ 59	$ 181

[1] Treasury shares include 1 million shares held in trust and treasury stock includes $29 million related to shares held in trust as of March 31, 2025 and 2024 and December 31, 2024 and 2023.

[2] Common stock and capital surplus includes the par value of common stock of $18 million as of March 31, 2025 and 2024 and December 31, 2024 and 2023.