Background and Nature of Operations (Details)	Sep. 30, 2021 manufacturingFacility $ / shares	May 17, 2021 $ / shares shares
Class of Stock [Line Items]
Number of manufacturing facilities | manufacturingFacility	6
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Merck and Co., Inc.
Class of Stock [Line Items]
Common stock, par value (in dollars per share)		$ 0.50
Shares distributed to each shareholder | shares		0.1