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Property, plant and equipment- Capital commitments (Details) - ZAR (R) R in Millions | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016
--- | --- | --- | ---
Capital commitments (excluding equity accounted investments) |  |  |
Capital commitments | R 63,276 | R 90,736 | R 137,286
Property, plant and equipment |  |  |
Capital commitments (excluding equity accounted investments) |  |  |
Authorised and contracted for | 179,172 | 154,739 |
Authorised but not yet contracted for | 40,687 | 61,673 |
Capital commitments cumulative expenditure | (156,583) | (125,676) |
Capital commitments | 63,276 | 90,736 |
Capital commitments to sustain existing operations | 26,925 | 23,850 |
Capital commitments to expand operations | R 36,351 | R 66,886 |

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- Definition The amount of capital commitments that have been authorised by the entity, but for which the entity has not entered into a contract. [Refer: Capital commitments] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of future capital expenditures that the entity is committed to make. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of capital commitments for which the entity has entered into a contract. [Refer: Capital commitments] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of capital expenditures that the entity is committed to make for expanding the operations. + References No definition available. + Details
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- Definition The amount of capital expenditures that the entity is committed to make for sustaining the existing operations. + References No definition available. + Details
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- Definition Total amount of cumulative expenditures incurred towards capital commitment till the end of the year. + References No definition available. + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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