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Deferred tax - Calculated tax losses carried forward (Details) - ZAR (R) R in Millions | Jun. 30, 2021 | Jun. 30, 2020
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Disclosure of temporary difference, unused tax losses and unused tax credits |  |
Calculated tax losses carried forward that have not been recognised | R 2,538 | R 21,007
Within one year |  |
Disclosure of temporary difference, unused tax losses and unused tax credits |  |
Calculated tax losses carried forward that have not been recognised | 3 |
One to five years |  |
Disclosure of temporary difference, unused tax losses and unused tax credits |  |
Calculated tax losses carried forward that have not been recognised | 1,150 | 1,201
More than five years |  |
Disclosure of temporary difference, unused tax losses and unused tax credits |  |
Calculated tax losses carried forward that have not been recognised | 608 | 19,090
Indefinite Life |  |
Disclosure of temporary difference, unused tax losses and unused tax credits |  |
Calculated tax losses carried forward that have not been recognised | R 777 | R 716

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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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- Definition The amount of unused tax losses for which no deferred tax asset is recognised in the statement of financial position. [Refer: Unused tax losses [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2020-01-01 -Paragraph 81 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2020-en-r&anchor=para_81_e&doctype=Standard -URIDate 2020-01-01 + Details
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