Details for Selection
| Standard label: | Costs of Metals Sold |
| Name: | us-gaap:CostsOfMetalsSold |
| Documentation: | Cost incurred related to exploration, development, mining, processing and providing mining support activities related to industrial metals and minerals. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For period (duration) |
| Balance type: | Debit |
| Object class: | [Concept] |