Commitments and Contingencies (Details) $ in Millions	1 Months Ended		9 Months Ended
	Apr. 30, 2025 USD ($)	Aug. 31, 2022 USD ($)	Mar. 31, 2025 claim lease state
Commitments and Contingencies Disclosure [Abstract]
Guarantor obligations, number of leases | lease			60
Settlement Framework
Loss Contingencies [Line Items]
Number of states that elected to join the settlement | state			45
Number of states under separate settlement agreements | state			4
Federal Court in Ohio Judgment | Pending Litigation
Loss Contingencies [Line Items]
Legal settlement awarded to other party | $		$ 651
Legal settlement, period of payment		15 years
U.S. ex rel. Bassan et al. v. Omnicare, Inc. and CVS Health Corp. | Subsequent Event
Loss Contingencies [Line Items]
Damages awarded | $	$ 136
Damages awarded per statute | $	$ 407
Stockholder Matters, Class Action Complaints
Loss Contingencies [Line Items]
Number of claims filed			2
In re CVS Health Corporation Derivative Litigation
Loss Contingencies [Line Items]
Number of claims filed			2
In re CVS Health Corporation Stockholder Derivative Litigation
Loss Contingencies [Line Items]
Number of claims filed			2
In re CVS Health Corporation Stockholder Derivative Litigation and Davidow v. Lynch, et al.
Loss Contingencies [Line Items]
Number of claims filed			3