Other accounts payable - Additional information (Details) - Sociedad Minera Cerro Verde S.A.A. - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Disclosure of other accounts payable [Line Items] | ||
| Interest and penalties of disputed mining royalties | $ 3.7 | $ 4.0 |
| Withholding income tax | 3.3 | 2.8 |
| Pension funds | $ 1.5 | $ 1.1 |