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v3.19.3

Other Reserves - Narrative (Details) - ZAR (R) R in Millions | Mar. 19, 2010 | Mar. 15, 2004 | Jun. 30, 2019 | Jun. 30, 2018
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Disclosure of reserves within equity [line items] |  |  |  |
Acquisition of non-controlling interest in subsidiary |  |  | R (381) | R (381)
Reserve for equity instruments designated at fair value through other comprehensive income |  |  | 79 | R 0
Abelle Limited |  |  |  |
Disclosure of reserves within equity [line items] |  |  |  |
Purchase price |  | R 579 |  |
Acquisition of non-controlling interest in subsidiary |  | R 381 |  |
Doornkop South Reef | AVRD |  |  |  |
Disclosure of reserves within equity [line items] |  |  |  |
Share of mining titles acquired (as a percent) | 26.00% |  |  |
Shares issued in exchange for interest in mining titles (in shares) | 2,162,359 |  |  |
Difference between the value of shares issued | R 152 |  |  |
Rand Mutual Assurance |  |  |  |
Disclosure of reserves within equity [line items] |  |  |  |
Reserve for equity instruments designated at fair value through other comprehensive income |  |  | R 82 |

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