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Inventories, Including Long-Term Mill and Leach Stockpiles - Schedule of Inventory (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Current inventories:    
Total materials and supplies, net $ 2,056 $ 1,964
Mill stockpiles 222 216
Leach stockpiles 1,218 1,167
Total current mill and leach stockpiles 1,440 1,383
Raw materials (primarily concentrate) 392 443
Work-in-process 245 221
Finished goodsb 1,604 1,169
Total product 2,241 1,833
Long-term inventories:    
Mill stockpiles 206 199
Leach stockpiles 1,029 1,053
Total long-term mill and leach stockpiles 1,235 1,252
Inventory obsolescence reserves $ 28 $ 39