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Equity - Summary of Movements of Shares in Share Trust (Details)
 6 Months Ended
Dec. 31, 2023
USD ($)
shares
Dec. 31, 2022
USD ($)
shares
Disclosure Of Movements Of Shares In Share Trust [Line Items]    
Exercise of share options   $ 0
Mesoblast Employee Share Trust    
Disclosure Of Movements Of Shares In Share Trust [Line Items]    
Opening balance (in shares) | shares 542,903 542,903
Opening balance $ 0 $ 0
Exercise of share options (in shares) | shares 0 0
Exercise of share options $ 0 $ 0
Ending balance (in shares) | shares 542,903 542,903
Ending balance $ 0 $ 0