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Cash-settled share-based payment provision - Share-based payment expense movement in long-term provisions (Details) - ZAR (R) R / shares in Units, R in Millions	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Share-based payment transaction
Expense from cash-settled share-based payment transactions - movements in long-term provisions	R (440)	R 655	R (237)
Decrease in share price	30.00%
Share price (closing)	R 350.21
Share Appreciation Right (SARs)
Share-based payment transaction
Expense from cash-settled share-based payment transactions - movements in long-term provisions	R (440)	655	(342)
SARs with no CPTs
Share-based payment transaction
Expense from cash-settled share-based payment transactions - movements in long-term provisions	(6)	117	(110)
SARs with CPTs
Share-based payment transaction
Expense from cash-settled share-based payment transactions - movements in long-term provisions	R (434)	R 538	(232)
Long-term incentive cash settled
Share-based payment transaction
Expense from cash-settled share-based payment transactions - movements in long-term provisions			R 105

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- Definition

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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No definition available.

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- Definition

The amount of expense arising from cash-settled share-based payment transactions in which the goods or services received did not qualify for recognition as assets. [Refer: Expense from share-based payment transactions in which goods or services received did not qualify for recognition as assets]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 112
-Subparagraph c
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-URIDate 2018-03-16

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- Definition

Price of a single share of a number of saleable stocks of a company.

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- Definition

Percentage share price increase (decrease) during the period.

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