RECLAMATION AND REMEDIATION - Schedule of Reclamation and Remediation Expense (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Reclamation and remediation expense | ||||
| Reclamation accretion | $ 146 | $ 163 | ||
| Remediation accretion | 3 | 4 | ||
| Reclamation and remediation | $ 81 | $ 83 | 159 | 176 |
| Reclamation and remediation | ||||
| Reclamation and remediation expense | ||||
| Reclamation adjustments and other | 2 | 1 | 3 | 2 |
| Reclamation accretion | 74 | 76 | 146 | 163 |
| Reclamation expense | 76 | 77 | 149 | 165 |
| Remediation adjustments and other | 4 | 4 | 7 | 7 |
| Remediation accretion | 1 | 2 | 3 | 4 |
| Remediation expense | 5 | 6 | 10 | 11 |
| Reclamation and remediation | $ 81 | $ 83 | $ 159 | $ 176 |
| X | ||||||||||
- Definition The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities. Excludes amounts for accretion. No definition available.
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| X | ||||||||||
- Definition Reclamation and Mine Shutdown Provision And Environmental Remediation Expense No definition available.
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| X | ||||||||||
- Definition Adjustment of the mine reclamation or mine shutdown liability account that is made when estimates of future costs are changed. Excludes amounts for accretion. No definition available.
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| X | ||||||||||
- Definition Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, before recovery, of expense for known and estimated future costs arising from requirement to perform environmental remediation. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Adjustment of the mine reclamation or mine shutdown liability account that is made when estimates of future costs are changed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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