v3.26.1
Organization and description of business (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Mar. 31, 2026
Dec. 31, 2026
Coursera, Inc. | General and administrative    
Product Information [Line Items]    
Acquisition costs $ 2.3  
Forecast | Coursera Stockholders    
Product Information [Line Items]    
Merger, shareholders ownership, percentage   59.00%
Forecast | Udemy Stockholders    
Product Information [Line Items]    
Merger, shareholders ownership, percentage   41.00%
Forecast | Coursera, Inc. | Common Stock    
Product Information [Line Items]    
Merger exchange ratio (in dollar per share)   $ 0.800
Merger, par value of common stock acquired, (in dollars per share)   $ 0.00001