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Share-Based Payments - 2006 Options by Grant Date (Details) - 2006 share plan | Jun. 30, 2019 ZAR (R) shares year | Jun. 30, 2018 ZAR (R) shares | Jun. 30, 2017 ZAR (R) shares
--- | --- | --- | ---
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of options and rights (in shares) | 27,720,640 |  |
Share appreciation rights |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of options and rights (in shares) | 6,713,044 | 9,847,860 | 12,476,697
Award price (in SA rand per share) | R | R 26.45 | R 50.20 | R 32.60
Share appreciation rights | November 15, 2013 |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of options and rights (in shares) | 3,652,807 |  |
Award price (in SA rand per share) | R | R 33.18 |  |
Remaining life (years) | year | 0.4 |  |
Share appreciation rights | November 17, 2014 |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of options and rights (in shares) | 3,060,237 |  |
Award price (in SA rand per share) | R | R 18.41 |  |
Remaining life (years) | year | 1.4 |  |
Performance shares |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of options and rights (in shares) | 21,007,596 | 42,427,284 | 37,848,573
Performance shares | November 29, 2016 |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of options and rights (in shares) | 7,944,126 |  |
Remaining life (years) | year | 0.4 |  |
Performance shares | November 15, 2017 |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Number of options and rights (in shares) | 13,063,470 |  |
Remaining life (years) | year | 1.4 |  |

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- Definition The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45&doctype=Standard -URIDate 2018-03-16 + Details
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