XML 128 R111.htm IDEA: XBRL DOCUMENT
v3.20.2

OTHER INVESTMENTS - Key observable/unobservable inputs (Details) | 12 Months Ended
--- | ---
Jun. 30, 2020 yr R / kg
Rand Refinery Operation [member] |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |
Average gold price | 852,098
Average silver price | 9,453
Average South African CPI | 0.048
Terminal growth rate [member] | Rand Refinery Operation [member] |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |
Significant unobservable input, entity's own equity instruments | 0.05
Weighted average cost of capital [member] | Rand Refinery Operation [member] |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |
Significant unobservable input, entity's own equity instruments | 0.151
Discount period [member] | Investment in Prestige Bullion [member] |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |
Significant unobservable input, entity's own equity instruments | yr | 13
Cost of equity [member] | Investment in Prestige Bullion [member] |
Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items] |
Significant unobservable input, entity's own equity instruments | 0.132

X
- Definition The value of average consumer price index used as an observable input. + References No definition available. + Details
Name: | drd_AverageConsumerPriceIndex
Namespace Prefix: | drd_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Average gold price is a quoted price that is observable for the assets or liabillities. + References No definition available. + Details
Name: | drd_AverageGoldPrice
Namespace Prefix: | drd_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition Average silver price a quoted price that is observable for the assets or liabillities. + References No definition available. + Details
Name: | drd_AverageSilverPrice
Namespace Prefix: | drd_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition Significant unobservable input, entity's own equity instruments. + References No definition available. + Details
Name: | drd_SignificantUnobservableInputInvestmentsInOtherEntities
Namespace Prefix: | drd_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- 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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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=drd_RandRefineryProprietaryLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_UnobservableInputsAxis=drd_TerminalGrowthRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_UnobservableInputsAxis=ifrs-full_WeightedAverageCostOfCapitalMeasurementInputMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_UnobservableInputsAxis=drd_DiscountPeriodMeasurementInputMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis=drd_InvestmentInPrestigeBullionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_UnobservableInputsAxis=drd_CostOfEquityRateMeasurementInputMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |