v3.26.1
Interests in other entities (Details) - Ordinary shares
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Mesoblast, Inc.    
Disclosure Of Significant Investments In Subsidiaries [Line Items]    
Equity holding 100.00% 100.00%
Mesoblast International Sàrl (includes Mesoblast International Sàrl Singapore Branch)    
Disclosure Of Significant Investments In Subsidiaries [Line Items]    
Equity holding 100.00% 100.00%
Mesoblast Australia Pty Ltd    
Disclosure Of Significant Investments In Subsidiaries [Line Items]    
Equity holding 100.00% 100.00%
Mesoblast UK Ltd    
Disclosure Of Significant Investments In Subsidiaries [Line Items]    
Equity holding 100.00% 100.00%
BeiCell Ltd(1)    
Disclosure Of Significant Investments In Subsidiaries [Line Items]    
Equity holding 0.00% 100.00%