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Equity - Summary of Movements of Shares in Share Trust (Details) - Mesoblast Employee Share Trust - shares	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Disclosure Of Movements Of Shares In Share Trust [Line Items]
Opening balance, shares	542,903	771,983
Exercise of share options ,shares		(165,747)
Ending balance, shares	542,903	606,236

X

- Definition

The number of share options exercised in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2022-03-24
-Paragraph 45
-Subparagraph b
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2022-en-r&anchor=para_45_b_iv&doctype=Standard
-URIDate 2022-03-24

+ Details

Name:	ifrs-full_NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Disclosure of movements of shares in share trust.

+ References

No definition available.

+ Details

Name:	meso_DisclosureOfMovementsOfSharesInShareTrustLineItems
Namespace Prefix:	meso_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Shares held in trust.

+ References

No definition available.

+ Details

Name:	meso_SharesHeldInTrust
Namespace Prefix:	meso_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	ifrs-full_CounterpartiesAxis=meso_MesoblastEmployeeShareTrustMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: