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.

No definition available.

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

Events after the reporting period (Narrative) (Details) - Events after the reporting period [Member] Tonne in Millions	Sep. 30, 2021 Ounce	Jun. 30, 2021 Tonne
Pampacancha delivery obligation [Member]
Disclosure of non-adjusting events after reporting period [line items]
Tonnes of ore contracts no longer expects to mine \| Tonne		4
Stream transactions with Wheaton [Member]
Disclosure of non-adjusting events after reporting period [line items]
Additional ounces of gold required to be delivered \| Ounce	8,020