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v3.19.3

Share capital - Shares Issued Roll Forward (Details) - shares | 12 Months Ended
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Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2017
Reconciliation of number of shares outstanding |  |  |
Shares issued at beginning of year | 645,560,928 | 679,822,439 | 679,775,162
Issued in terms of employee share schemes | 1,566,581 | 1,776,361 | 47,277
Repurchase and cancellation of shares | (16,085,199) | (43,503,454) |
Issued in terms of Sasol Khanyisa | (13,992) | 7,465,582 |
Shares issued at end of year | 631,028,318 | 645,560,928 | 679,822,439

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- Definition The number of shares issued by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 106 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_106_d&doctype=Standard -URIDate 2018-03-16 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of shares issued in terms of Sasol Khanyisa. + References No definition available. + Details
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Namespace Prefix: | ssl_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of shares repurchased and cancelled during the period. + References No definition available. + Details
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Namespace Prefix: | ssl_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Definition The number of shares issued in terms of employee share schemes during the period. + References No definition available. + Details
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Namespace Prefix: | ssl_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration