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Related Parties - Disclosure of Directors’ Renumeration (Details) - ZAR (R) R in Millions	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Executive directors
Disclosure of transactions between related parties [line items]
Salaries	R 18	R 17
Retirement contributions	3	2
Bonuses	14	13
Exercise/settlement of share options	30	3
Key management personnel compensation	65	35
Non-executive directors
Disclosure of transactions between related parties [line items]
Directors' fees	R 12	R 10

X

- Definition

The amount of remuneration paid or payable to the entity's directors.

+ References

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X

- 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.

+ References

No definition available.

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- Definition

The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]

+ References

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-Number 24
-IssueDate 2018-01-01
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- Definition

The amount of compensation to key management personnel in the form of other long-term employee benefits. [Refer: Other long-term employee benefits; Key management personnel of entity or parent [member]]

+ References

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-Paragraph 17
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- Definition

The amount of compensation to key management personnel in the form of post-employment benefits. [Refer: Key management personnel of entity or parent [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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- Definition

The amount of compensation to key management personnel in the form of share-based payments. [Refer: Key management personnel of entity or parent [member]]

+ References

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-Name IAS
-Number 24
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- Definition

The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]]

+ References

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