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Share-based payment reserve - Sasol Khanyisa Employee Share Ownership (Details) | 12 Months Ended
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Jun. 30, 2018 ZAR (R) item | Jun. 30, 2017 ZAR (R) | Jun. 30, 2016 ZAR (R)
Share-based payment transaction |  |  |
Expense from equity-settled share-based payment transactions in which goods or services received did not qualify for recognition as assets | R 3,776,000,000 | R 463,000,000 | R 123,000,000
Tier 1 - Khanyisa Employee Share Ownership Plan (ESOP) |  |  |
Share-based payment transaction |  |  |
Value of rights granted | R 100,000 |  |
Service period | 3 years |  |
Vesting period | 3 years |  |
Expense from equity-settled share-based payment transactions in which goods or services received did not qualify for recognition as assets | R 52,000,000 |  |
SSA (Tier 2 and Khanyisa Public) |  |  |
Share-based payment transaction |  |  |
Number of groups of participants | item | 2 |  |
Percentage of dividend utilised for repayment of vendor funding and financial cost | 97.50% |  |
Trickle dividends percentage | 2.50% |  |
SSA (Tier 2 and Khanyisa Public) | Prime |  |  |
Share-based payment transaction |  |  |
Percentage of base rate used to calculate financing cost | 75.00% |  |
Tier 2 - Khanyisa ESOP |  |  |
Share-based payment transaction |  |  |
Service period | 10 years |  |
Expense from equity-settled share-based payment transactions in which goods or services received did not qualify for recognition as assets | R 35,000,000 |  |
Percentage of transfer of beneficial ownership | 9.20% |  |
Khanyisa Public |  |  |
Share-based payment transaction |  |  |
Expense from equity-settled share-based payment transactions in which goods or services received did not qualify for recognition as assets | R 1,762,000,000 |  |
Percentage of transfer of beneficial ownership | 9.20% |  |

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- Definition The amount of expense arising from equity-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/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 51 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_51_a&doctype=Standard -URIDate 2017-03-09 + Details
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