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Share capital - Issued Share Capital (Details) - ZAR (R) R / shares in Units, R in Millions |  |  |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 26, 2018 | Jun. 04, 2018 | Feb. 26, 2018 | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2015
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Equity |  |  |  | R 228,608 | R 217,234 | R 212,418 | R 196,483
Repurchase and cancellation of shares |  |  |  | 43,503,454 |  |  |
Share capital |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Equity |  |  |  | R 15,775 | 29,282 | 29,282 | 29,228
Share repurchase programme |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Equity |  |  |  |  | R (2,641) | R (2,641) | R (2,641)
Sasol Inzalo share transaction |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Repurchase and cancellation of shares | 9,461,882 | 25,231,686 |  |  |  |  |
Share repurchase price | R 475.03 | R 0.01 |  |  |  |  |
Sasol Investment Company Pty Ltd |  |  |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |  |  |
Repurchase and cancellation of shares |  |  | 8,809,886 |  |  |  |
Treasury shares (in shares) |  |  |  | 0 | 8,809,886 | 8,809,886 |
Treasury shares, percentage of issued shares held by subsidiary (as a percent) |  |  |  |  | 1.43% | 1.43% |

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