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Property, plant and equipment- Segmentation (Details) - ZAR (R) R in Millions | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016
--- | --- | --- | ---
Property, plant and equipment |  |  |
Property, plant and equipment | R 167,457 | R 158,773 | R 155,054
Mining |  |  |
Property, plant and equipment |  |  |
Property, plant and equipment | 22,584 | 21,715 |
Exploration And Production International |  |  |
Property, plant and equipment |  |  |
Property, plant and equipment | 7,646 | 11,765 |
Energy |  |  |
Property, plant and equipment |  |  |
Property, plant and equipment | 47,743 | 42,238 |
Base Chemicals |  |  |
Property, plant and equipment |  |  |
Property, plant and equipment | 42,347 | 38,215 |
Performance Chemicals |  |  |
Property, plant and equipment |  |  |
Property, plant and equipment | 43,801 | 41,367 |
Group Functions |  |  |
Property, plant and equipment |  |  |
Property, plant and equipment | R 3,336 | R 3,473 |

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- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_a&doctype=Standard -URIDate 2017-03-09 + Details
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