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PAYMENTS MADE UNDER PROTEST - Narrative (Details) - ZAR (R) R in Millions	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Payments made under protest [abstract]
Municipality interest rate on borrowings	11.68%	11.68%
Discount period	Jun. 30, 2022	Jun. 30, 2021
Ekurhuleni Metropolitan Municipality Electricity Tariff Dispute [Member]
Disclosure of contingencies [line items]
Surcharges	R 43.0
Summon, first [member]
Disclosure of contingencies [line items]
Summonses	74.0
Summon, second [Member]
Disclosure of contingencies [line items]
Summonses	R 31.6

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The interest rate on borrowings. [Refer: Borrowings]

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