INVESTMENTS IN REHABILITATION AND OTHER FUNDS - Narrative (Details) - ZAR (R) R in Millions	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Disclosure of detailed information about financial instruments [line items]
Changes in methods and assumptions used in preparing sensitivity analysis	A change of 100 basis points (bp) in interest rates at the reporting date would have increased/(decreased) equity and profit/(loss) by the amounts shown below. This analysis assumes that all other variables, in particular the balance of the funds, remain constant. The analysis excludes income tax.
Percentage of reasonably possible change, interest rate risk	1.00%	1.00%
Rehabilitation trust transferred	R 579.5	R 0.0
Guardrisk guarantees in issue [member]
Disclosure of detailed information about financial instruments [line items]
Estimated financial effect of contingent liabilities	R 614.0	R 430.1

The reasonably possible percentage of the increase (decrease) market risk sensitivity.

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- Definition

Withrawal Of Restricted Cash And Cash Equivalents For Investment In Cell Captive

+ References

No definition available.

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- Definition

The description of changes in the methods and assumptions used in preparing a sensitivity analysis for the types of market risk to which the entity is exposed. [Refer: Market risk [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2021-01-01
-Paragraph 40
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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The amount of the estimated financial effect of contingent liabilities. [Refer: Contingent liabilities [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 37
-IssueDate 2021-01-01
-Paragraph 86
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-URIDate 2021-03-24

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