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Organization	3 Months Ended
	Sep. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization	Note 1. Organization Nature of operations and corporate information IREN Limited (“Company”) and the entities it controlled at the end of, or during, the quarter ended September 30, 2025 (collectively the “Group”) is a leading provider of AI Cloud Services, delivering large-scale GPU clusters for AI training and inference. The Company’s vertically integrated platform is underpinned by an expansive portfolio of grid-connected land and data centers in renewable-rich regions across the U.S. and Canada.

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- Definition

The entire disclosure for the nature of an entity's business, major products or services, principal markets including location, and the relative importance of its operations in each business and the basis for the determination, including but not limited to, assets, revenues, or earnings. For an entity that has not commenced principal operations, disclosures about the risks and uncertainties related to the activities in which the entity is currently engaged and an understanding of what those activities are being directed toward.

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