Commitments - Disclosure of detailed information about significant commitments for streams and offtakes (Details)	12 Months Ended
	Dec. 31, 2025
CSA streams [Member]
Disclosure Of Commitments [Line Items]
Term of agreement	Life of mine
CSA streams [Member] \| Silver [Member]
Disclosure Of Commitments [Line Items]
Attributable payable production to be purchased	100.00%
Per ounce/tonne/carat cash payment	4%
CSA streams [Member] \| Copper [Member] \| Minimum [Member]
Disclosure Of Commitments [Line Items]
Attributable payable production to be purchased	2.25%
CSA streams [Member] \| Copper [Member] \| Maximum [Member]
Disclosure Of Commitments [Line Items]
Attributable payable production to be purchased	4.875%
CSA streams [Member] \| Other [Member]
Disclosure Of Commitments [Line Items]
Per ounce/tonne/carat cash payment	4%
Gibraltar stream [Member]
Disclosure Of Commitments [Line Items]
Term of agreement	Life of mine
Gibraltar stream [Member] \| Silver [Member]
Disclosure Of Commitments [Line Items]
Attributable payable production to be purchased	100.00%
Per ounce/tonne/carat cash payment	nil
Mantos Blancos stream [Member]
Disclosure Of Commitments [Line Items]
Term of agreement	Life of mine
Mantos Blancos stream [Member] \| Silver [Member]
Disclosure Of Commitments [Line Items]
Attributable payable production to be purchased	100.00%
Per ounce/tonne/carat cash payment	8% spot
Sasa stream [Member]
Disclosure Of Commitments [Line Items]
Term of agreement	40 years
Sasa stream [Member] \| Silver [Member]
Disclosure Of Commitments [Line Items]
Attributable payable production to be purchased	100.00%
Per ounce/tonne/carat cash payment	$6.665