NATURE OF OPERATIONS (Narrative) (Details)	12 Months Ended
Aug. 31, 2023
Waterberg JV Co. [Member]
Disclosure Of Nature Of Operations And Going Concern [Line Items]
Effective ownership proportion after combined ownership of Mnombo's ownership portion with Platinum Group Metals (RSA) (Pty) Ltd	63.05%

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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