v3.25.4
Equity (Tables)
12 Months Ended
Dec. 31, 2025
Avantor, Inc. following the IPO  
Class of Stock [Line Items]  
Schedule of equity capitalization
The following table presents the equity capitalization of Avantor, Inc.:
(shares in millions)Par value per shareShares authorized
Undesignated preferred stock$0.01 75.0 
Common stock0.01 750.0