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RESULTS FROM OPERATING ACTIVITIES - Related party transactions (Details) R in Millions | 12 Months Ended
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Jun. 30, 2020 ZAR (R) | Jun. 30, 2019 ZAR (R) | Jun. 30, 2018 ZAR (R)
Sibanye stillwater [member] | Other charges [member] |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Services rendered by related parties and included in operating costs | R 1.6 | R 0.0 |
Rand Refinery Proprietary Limited ("Rand Refinery") [member] |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Description of nature of related party relationship | FWGR entered into a smelting agreement with Sibanye-Stillwater on July 31, 2018 to smelt and recover gold from gold loaded carbon produced at FWGR, and deliver the gold to Rand Refinery. As consideration for this service, Sibanye-Stillwater receives a fee based on the smelting costs plus 10% of the smelting costs. Rand Refinery performs the final refinement and marketing of all gold and silver produced by the Group. As consideration for this service, Rand Refinery receives a variable refining fee plus fixed marketing and administration fees. All transactions and outstanding balances with related parties are to be settled in cash within 30 days of the invoice date. None of the balances are secured. No expense has been recognised in the current year as a credit loss allowance in respect of amounts charged to related parties. |  |
Rand Refinery Proprietary Limited ("Rand Refinery") [member] | Sibanye stillwater [member] |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Percentage of smelting costs included, consideration given | 0.1 |  |
Explanation of terms and conditions of outstanding balances for related party transaction | All transactions and outstanding balances with related parties are to be settled in cash within 30 days of the invoice date. None of the balances are secured. No expense has been recognised in the current year as a credit loss allowance in respect of amounts charged to related parties. |  |
Sibanye stillwater [member] |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Services rendered by related parties and included in operating costs | R 76.1 | 26.9 |
Charges to Sibanye-Stillwater | (0.2) | (6.5) | R 0.0
Sibanye stillwater [member] | Supply of water and electricity [member] |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Services rendered by related parties and included in operating costs | 50.0 | 16.9 |
Sibanye stillwater [member] | Gold smelting and related charges [member] |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Services rendered by related parties and included in operating costs | 19.8 | 12.9 |
Sibanye stillwater [member] | Gold refining and related charges [Member] |  |  |
Disclosure of transactions between related parties [line items] |  |  |
Services rendered by related parties and included in operating costs | R 4.9 | R 3.6 |

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- Definition The amount of smelting costs included in the consideration for services paid to related party. + References No definition available. + Details
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Data Type: | xbrli:pureItemType
Balance Type: | na
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- Definition Recovery of charges from related parties. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The description of the nature of the related party relationships. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 18 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_18&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The explanation of the terms and conditions of outstanding balances for related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 18 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_18_b_i&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The amount of services received in related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 21 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_21_c&doctype=Standard -URIDate 2019-03-27 + Details
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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- Details
Name: | srt_ProductOrServiceAxis=drd_SupplyOfWaterAndElectricityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Balance Type: |
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