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v3.22.2.2

Segment Information - Additional Information (Details) | 3 Months Ended
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Sep. 30, 2022 Segment
Disclosure Of Operating Segments [Abstract] |
Number of operating segment | 1

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- References No definition available. + Details
Name: | ifrs-full_DisclosureOfOperatingSegmentsAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of operating segment. + References No definition available. + Details
Name: | meso_NumberOfOperatingSegment
Namespace Prefix: | meso_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration