Commitments and Contingencies (Details)	1 Months Ended		7 Months Ended	12 Months Ended
	May 31, 2020 state entity	Sep. 30, 2015 store	Aug. 31, 2019 claim	Dec. 31, 2012 member	Jun. 30, 2020 store
Loss Contingencies [Line Items]
Guarantor obligations, number of leases					76
Loss contingency, number of locations with subpoena for documents		8
Sample size | member				200
Number of pending claims | claim			6
Blue Cross and Blue Shield of Alabama vs. CVS Health Corporation | Pending Litigation
Loss Contingencies [Line Items]
Number of entities filing claims | entity	8
Number of states in which entities filed claims | state	6