Related party transactions (Details) - USD ($)	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Related party transactions [Abstract]
Transactions with related parties	$ 0	$ 0
Trade receivables from related parties	0	0
Trade payables to related parties	0	0
Loans from related parties	0	0
Loans to related parties	$ 0	$ 0

The amounts payable resulting from related party transactions. [Refer: Related parties [member]]

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-Name IAS
-Number 24
-IssueDate 2022-03-24
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-URIDate 2022-03-24

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amounts receivable resulting from related party transactions. [Refer: Related parties [member]]

+ References

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of payables due to related parties. [Refer: Related parties [member]]

+ References

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-Name IAS
-Number 1
-IssueDate 2022-03-24
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_78&doctype=Standard
-URIDate 2022-03-24

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of receivables due from related parties. [Refer: Related parties [member]]

+ References

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-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 78
-Subparagraph b
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-URIDate 2022-03-24

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The transactions with related party during the financial reporting period.

+ References

No definition available.

+ Details

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Namespace Prefix:	iren_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration