Basis of Preparation, General Information (Details)	12 Months Ended
Jun. 30, 2025
Basis of Preparation, General Information [Abstract]
Change in name of reporting entity	The Company changed its name from Sayona Mining Limited to Elevra Lithium Limited, effective from 16 September 2025.

The explanation of the change in either the name of the reporting entity or any other means of identification from the end of the preceding reporting period.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 128
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_128_a&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2027-01-01
-Name IAS
-Number 1
-IssueDate 2025-01-01
-Paragraph 51
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_51_a&doctype=Standard
-URIDate 2025-03-27

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Period Type:	duration