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Equity accounted investments - Joint ventures total carrying value (Details) - ZAR (R) R in Millions |  |  | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2018 | Mar. 14, 2018 | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016
Disclosure Of Investments Accounted For Using Equity Method [Line Items] |  |  |  |  |
Investments in joint ventures and associates | R 10,991 |  | R 10,991 | R 11,813 |
Foreign currency translation reserve relating to equity investments reclassified from equity to profit and loss |  |  | (468) | 0 | R 840
Other equity accounted investments |  |  |  |  |
Disclosure Of Investments Accounted For Using Equity Method [Line Items] |  |  |  |  |
Investments in joint ventures and associates | 310 |  | 310 | 283 |
Petronas Chemicals Olefins Sdn Bhd |  |  |  |  |
Disclosure Of Investments Accounted For Using Equity Method [Line Items] |  |  |  |  |
Investments in joint ventures and associates |  |  |  | 1,301 |
Escravos GTL |  |  |  |  |
Disclosure Of Investments Accounted For Using Equity Method [Line Items] |  |  |  |  |
Investments in joint ventures and associates | R 1,027 |  | 1,027 | 757 |
Interest in associates (as a percent) | 10.00% |  |  |  |
ORYX GTL |  |  |  |  |
Disclosure Of Investments Accounted For Using Equity Method [Line Items] |  |  |  |  |
Investments in joint ventures and associates | R 8,179 |  | 8,179 | 7,480 |
Interest in joint ventures (as a percent) | 49.00% |  |  |  |
Sasol Huntsman Gmbh And Co Kg |  |  |  |  |
Disclosure Of Investments Accounted For Using Equity Method [Line Items] |  |  |  |  |
Investments in joint ventures and associates | R 893 |  | 893 | 925 |
Interest in joint ventures (as a percent) | 50.00% |  |  |  |
Petronas Chemicals Ldpe Sdn Bhd |  |  |  |  |
Disclosure Of Investments Accounted For Using Equity Method [Line Items] |  |  |  |  |
Investments in joint ventures and associates |  |  |  | 566 |
Net profit on disposal |  | R 370 |  |  |
Foreign currency translation reserve relating to equity investments reclassified from equity to profit and loss |  | R 494 |  |  |
Sasol Dyno Nobel Pty Ltd |  |  |  |  |
Disclosure Of Investments Accounted For Using Equity Method [Line Items] |  |  |  |  |
Investments in joint ventures and associates | R 271 |  | 271 | 246 |
Interest in joint ventures (as a percent) | 50.00% |  |  |  |
Sasol Chevron Holdings Limited |  |  |  |  |
Disclosure Of Investments Accounted For Using Equity Method [Line Items] |  |  |  |  |
Investments in joint ventures and associates | R 311 |  | R 311 | R 255 |
Interest in joint ventures (as a percent) | 50.00% |  |  |  |

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- Definition The amount of investments accounted for using the equity method. The equity method is a method of accounting whereby the investment is initially recognised at cost and adjusted thereafter for the post-acquisition change in the investor's share of net assets of the investee. The investor's profit or loss includes its share of the profit or loss of the investee. The investor's other comprehensive income includes its share of the other comprehensive income of the investee. [Refer: At cost [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2017-01-01 -Paragraph 24 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2017-03-01&anchor=para_24_a&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2017-01-01 -Paragraph B16 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2017-03-01&anchor=para_B16&doctype=Appendix&seq=2 -URIDate 2017-03-09 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_e&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The proportion of ownership interest in an associate attributable to the entity. [Refer: Associates [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2017-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2017-03-01&anchor=para_17_b_iii&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2017-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2017-03-01&anchor=para_16_b_iii&doctype=Standard -URIDate 2017-03-09 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2017-01-01 -Paragraph 21 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2017-03-01&anchor=para_21_a_iv&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of reclassification adjustments related to exchange differences when the financial statements of foreign operations are translated, before tax. Reclassification adjustments are amounts reclassified to profit (loss) in the current period that were recognised in other comprehensive income in the current or previous periods. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 21 -IssueDate 2017-01-01 -Paragraph 48 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=21&date=2017-03-01&anchor=para_48&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 92 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_92&doctype=Standard -URIDate 2017-03-09 + Details
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