Property, plant and equipment (Narrative) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jan. 09, 2026 |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Disclosure of detailed information about property, plant and equipment [line items] | |||
| Impairment reversal | $ 322.3 | ||
| Arizona [Member] | Cash-generating units [Member] | |||
| Disclosure of detailed information about property, plant and equipment [line items] | |||
| Capital works in progress - ROU assets (costs) | 5.3 | $ 3.8 | |
| Impairment reversal | $ 322.3 | ||
| Copper World, Inc [Member] | Mitsubishi Corporation [Member] | Events after reporting period [Member] | |||
| Disclosure of detailed information about property, plant and equipment [line items] | |||
| Percentage of non-controlling interest | 30.00% |
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. No definition available.
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- Definition The proportion of ownership interests in a subsidiary held by non-controlling interests. [Refer: Total for all subsidiaries [member]; Non-controlling interests] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of assets that represent a lessee's right to use an underlying asset for the lease term that do not meet the definition of investment property. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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