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Share-based payment reserve - Sasol Long-term Incentive Scheme (Details) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2009 | Jun. 30, 2019 ZAR (R) Y item shares | Jun. 30, 2018 ZAR (R) item shares | Jun. 30, 2017 shares
Share-based payment transaction |  |  |  |
Number of shares authorised | shares |  | 1,314,407,571 | 1,314,407,571 | 1,175,000,000
Long Term Incentive Equity Settled |  |  |  |
Share-based payment transaction |  |  |  |
Number of days from termination to settle valuation of share-based payment expense | 40 days |  |  |
Number of share options at the beginning of the year | item |  | 6,796,488 | 6,198,589 |
Number of share options, LTIs granted | item |  | 2,089,674 | 2,626,268 |
Number of share options, LTIs vested | item |  | (1,600,899) | (1,868,963) |
Number of share options, Effect of CPTs and LTIs forfeited | item |  | (665,666) | (159,406) |
Number of share options at the end of the year | item |  | 6,619,597 | 6,796,488 |
Weighted average fair value at the beginning of the year |  | R 348.19 | R 337.80 |
Weighted average fair value of LTIs granted |  | 555.86 | 376.73 |
Weighted average fair value of LTIs vested |  | 308.27 | 347.93 |
Weighted average fair value of Effect of CPTs and LTIs forfeited lapsed |  | 360.19 | 349.95 |
Weighted average fair value at the end of the year |  | R 422.20 | 348.19 |
Remaining contractual vesting period of options outstanding | Y |  | 1.40 |  |
Exercise price of outstanding share options |  | R 0 |  |
Average weighted market price of LTIs vested (after conversion to equity-settled) |  | R 507.50 | R 396.02 |
Average fair value of options granted |  |  |  |
Expected volatility |  | 26.17% | 24.73% |
Expected dividend yield |  | 3.43% | 3.65% |
Expected forfeiture rate |  | 5.00% | 5.00% |
Long Term Incentive Equity Settled | Maximum |  |  |  |
Share-based payment transaction |  |  |  |
Number of shares authorised | shares |  | 32,500,000 |  |
Percentage of share capital authorised to be issued under scheme |  | 5.00% |  |
Group management |  |  |  |
Share-based payment transaction |  |  |  |
Percentage of stock vesting period |  | 50.00% |  |
Group management | Minimum |  |  |  |
Share-based payment transaction |  |  |  |
Vesting period of partial awards |  | 3 years |  |
Average fair value of options granted |  |  |  |
Vesting period |  | 3 years | 3 years |
Group management | Maximum |  |  |  |
Share-based payment transaction |  |  |  |
Vesting period of partial awards |  | 5 years |  |
Average fair value of options granted |  |  |  |
Vesting period |  | 5 years | 5 years |
All other participants |  |  |  |
Average fair value of options granted |  |  |  |
Vesting period |  | 3 years | 3 years |
Rand | Long Term Incentive Equity Settled | Minimum |  |  |  |
Average fair value of options granted |  |  |  |
Risk-free interest rate |  | 6.90% | 6.98% |
Rand | Long Term Incentive Equity Settled | Maximum |  |  |  |
Average fair value of options granted |  |  |  |
Risk-free interest rate |  | 7.87% | 7.34% |
US Dollar | Long Term Incentive Equity Settled | Minimum |  |  |  |
Average fair value of options granted |  |  |  |
Risk-free interest rate |  | 0.91% | 1.01% |
US Dollar | Long Term Incentive Equity Settled | Maximum |  |  |  |
Average fair value of options granted |  |  |  |
Risk-free interest rate |  | 1.56% | 1.47% |

X
- Definition The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_47_a_i&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_47_a_i&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The exercise price of outstanding share options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_d&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The number of share options outstanding in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_d&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_i&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -Subparagraph b -Clause vi -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_vi&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The number of share options exercised in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -Subparagraph b -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_iv&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The number of share options forfeited in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_iii&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The number of share options granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_b_ii&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The number of shares authorised. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 79 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_79_a_i&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The weighted average fair value of share options granted during the period at the measurement date. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 47 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_47_a&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The weighted average remaining contractual life of outstanding share options. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45_d&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The average market price, of share options vested and settled. + References No definition available. + Details
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- Definition The percentage of expected forfeiture rate used to calculate the fair value of share granted. + References No definition available. + Details
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- Definition The number of days from termination to settle the valuation of share-based payment expense. + References No definition available. + Details
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- Definition Percentage of share capital authorised to be issued under scheme + References No definition available. + Details
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- Definition The percentage of awards in a share-based payment arrangement that has different vesting life than other participants. + References No definition available. + Details
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- Definition The vesting life of awards in a share-based payment arrangement. + References No definition available. + Details
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- Definition The vesting life of partial awards in a share-based payment arrangement, in 'PnYnMnDTnHnMnS' format. + References No definition available. + Details
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- Definition The weighted average fair value price of share options granted in a share-based payment arrangement. + References No definition available. + Details
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