INVESTMENTS IN REHABILITATION AND OTHER FUNDS - Narrative (Details) - ZAR (R) R in Millions	12 Months Ended
Jun. 30, 2025	Jun. 30, 2024
Disclosure of investments in rehabilitation obligation funds
Percentage of reasonably possible change, interest rate risk	1.00%
Percentage of reasonably possible change, equity price risk	10.00%
Guardrisk guarantees in issue
Disclosure of investments in rehabilitation obligation funds
Estimated financial effect of contingent liabilities	R 941.3	R 951.8

The amount of the estimated financial effect of contingent liabilities. [Refer: Classes of contingent liabilities [domain]]

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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