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INVENTORIES, INCLUDING LONG-TERM MILL AND LEACH STOCKPILES (Tables) | 12 Months Ended
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Dec. 31, 2022
Inventory Disclosure [Abstract] |
Components of Inventories | The components of inventories follow:
| December 31, |
| 2022 |  | 2021 |
Current inventories: |  |  |  |
Total materials and supplies, net a | $ | 1,964 |  |  | $ | 1,669 |  |
Mill stockpiles | $ | 216 |  |  | $ | 193 |  |
Leach stockpiles | 1,167 |  |  | 977 |  |
Total current mill and leach stockpiles | $ | 1,383 |  |  | $ | 1,170 |  |
Raw materials (primarily concentrate) | $ | 443 |  |  | $ | 536 |  |
Work-in-process | 221 |  |  | 195 |  |
Finished goods | 1,169 |  |  | 927 |  |
Total product | $ | 1,833 |  |  | $ | 1,658 |  |
Long-term inventories: |  |  |  |
Mill stockpiles | $ | 199 |  |  | $ | 226 |  |
Leach stockpiles | 1,053 |  |  | 1,161 |  |
Total long-term mill and leach stockpiles b | $ | 1,252 |  |  | $ | 1,387 |  |
a.Materials and supplies inventory was net of obsolescence reserves totaling $39 million at December 31, 2022, and $36 million at December 31, 2021. b.Estimated metals in stockpiles not expected to be recovered within the next 12 months.

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