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Commitments (Details)
lb in Millions
 1 Months Ended 6 Months Ended
Nov. 30, 2021
Jun. 30, 2022
$ / oz
oz
t
Jun. 30, 2022
Jun. 30, 2022
$ / oz
Jun. 30, 2022
t
Jun. 30, 2022
lb
Jun. 30, 2022
USD ($)
Jun. 30, 2022
$ / shares
Jun. 01, 2021
USD ($)
Antamina                  
Commitments                  
Attributable payable production of gold to be purchased (as a percent)     0.00%            
Attributable payable production of silver to be purchased (as a percent)     22.50%            
Attributable payable production of platinum group metals to be purchased (as a percent)     0.00%            
Payment for each ounce of silver (as a percent)     5.00%            
Term of agreement   40 years              
Fixed silver payability (as a percent)   90.00%              
Percentage of reduction in spot price after maximum ounces of silver have been delivered under the stream agreement   15.00%              
Maximum ounces of silver on which on-going price of spot price is payable   86,000,000              
Purchase price per ounce of silver as a percent of average or spot price upon initial delivery   5.00%              
Antapaccay                  
Commitments                  
Attributable payable production of platinum group metals to be purchased (as a percent)     0.00%            
Payment for each ounce of gold (in dollars per ounce) | $ / oz       20          
Payment for each ounce of silver (in dollars per ounce) | $ / oz       20          
Term of agreement   40 years              
Percentage of reduction in spot price after maximum ounces of silver have been delivered under the stream agreement   30.00%              
Maximum ounces of silver on which on-going price of spot price is payable   12,800,000              
Purchase price per ounce of silver as a percent of average or spot price upon initial delivery   20.00%              
Ounces of gold receivable for each 1,000 tonnes of copper   300              
Copper for 300 ounces of gold   1,000              
Quantity of delivered gold ounces before payable production to be purchased decreases to next threshold from initial threshold   630,000              
Percentage of gold receivable after initial threshold is achieved   30.00%              
Ounces of silver receivable for each 1,l000 tonnes of copper   4,700              
Copper for 4,700 ounces of silver | t         1,000        
Maximum ounces of silver receivable   10,000,000.0              
Percentage of spot price of gold on which on-going price is paid   20.00%              
Maximum ounces of gold on which on-going price of spot price is payable   750,000              
Percentage of spot price of gold on which on-going price is paid after maximum ounces have been delivered   30.00%              
Percentage of spot price of silver on which on-going price is paid after maximum ounces have been delivered   30.00%              
Candelaria                  
Commitments                  
Attributable payable production of gold to be purchased (as a percent)     68.00%            
Attributable payable production of silver to be purchased (as a percent)     68.00%            
Attributable payable production of platinum group metals to be purchased (as a percent)     0.00%            
Payment for each ounce of gold (in dollars per ounce) | $ / oz       400          
Payment for each ounce of silver (in dollars per ounce) | $ / oz       4.00          
Term of agreement   40 years              
Percentage of reduction in spot price after maximum ounces of silver have been delivered under the stream agreement   40.00%              
Maximum ounces of silver on which on-going price of spot price is payable   12,000,000.0              
Maximum ounces of gold on which on-going price of spot price is payable   720,000              
Cobre Panama Fixed Payment Stream                  
Commitments                  
Attributable payable production of platinum group metals to be purchased (as a percent)     0.00%            
Payment for each ounce of gold (in dollars per ounce) | $ / oz       418          
Payment for each ounce of silver (in dollars per ounce) | $ / oz       6.27          
Term of agreement   40 years              
Percentage of reduction in spot price after maximum ounces of silver have been delivered under the stream agreement   62.10%              
Percentage of reduction in spot price after maximum ounces of gold have been delivered under the stream agreement   63.40%              
Maximum ounces of silver on which on-going price of spot price is payable   21,510,000              
Maximum ounces of silver on which on-going price of spot price is payable   9,842,000              
Quantity of delivered gold ounces before payable production to be purchased decreases to next threshold from initial threshold   808,000              
Purchase price per ounce of gold per ounce upon delivery initial post inflation adjustment | $             418.27    
The mill through put number of consecutive days of commensurate   30 days              
The annual capacity of tonnes per annum reached by period end. | t   58,000,000              
Annual rate of return on upfront payments until the mill throughput is achieved   5.00%              
The reduction of applicable fixed gold price per ounce (in dollar per ounce) | $ / oz   100              
Quantity of delivered gold ounces before purchase decreases to next threshold from initial threshold   1,341,000              
Purchase price per ounce of silver per ounce upon delivery initial post inflation adjustment | $ / shares               $ 6.27  
Percentage of spot price of gold on which on-going price is paid after maximum ounces have been delivered   50.00%              
Percentage of spot price of silver on which on-going price is paid after maximum ounces have been delivered   50.00%              
Ounces of gold receivable per every 1 million pounds of copper produced   120       1      
Copper for stated ounces of gold | lb           1      
Copper pounds per gold ounces to purchase threshold 2   81              
Maximum ounces of gold receivable for second threshold   1,716,188              
Ounces of silver receivable per every 1 million pounds of copper produced | lb           1      
Copper for stated ounces of silver | lb           1      
Number of payable Silver ounces to be purchased per quantity of pounds of copper   1,776              
Ounces of silver receivable per every 1 million pounds of copper produced   1,376              
Ounces Of Silver Delivered Under Threshold 2 Before Committed Quantities Reduces   29,731,000              
Cobre Panama Floating Payment Stream                  
Commitments                  
Attributable payable production of platinum group metals to be purchased (as a percent)     0.00%            
Payment for each ounce of gold (in dollars per ounce) | $ / oz       20          
Payment for each ounce of silver (in dollars per ounce) | $ / oz       20          
Term of agreement   40 years              
Percentage of reduction in spot price after maximum ounces of silver have been delivered under the stream agreement   15.53%              
Percentage of reduction in spot price after maximum ounces of gold have been delivered under the stream agreement   15.85%              
Maximum ounces of silver on which on-going price of spot price is payable   9,618,000              
Maximum ounces of silver on which on-going price of spot price is payable   2,460,500              
Quantity of delivered gold ounces before payable production to be purchased decreases to next threshold from initial threshold   202,000              
The mill through put number of consecutive days of commensurate   30 days              
The annual capacity of tonnes per annum reached by period end. | t   58,000,000              
Annual rate of return on upfront payments until the mill throughput is achieved   5.00%              
The reduction of applicable fixed gold price per ounce (in dollar per ounce) | $ / oz   100              
Maximum ounces of gold on which on-going price of spot price is payable   604,000              
Percentage of spot price of gold on which on-going price is paid after maximum ounces have been delivered   50.00%              
Percentage of spot price of silver on which on-going price is paid after maximum ounces have been delivered   50.00%              
Ounces of gold receivable per every 1 million pounds of copper produced   30              
Copper for stated ounces of gold | lb           1      
Copper pounds per gold ounces to purchase threshold 2   20.25              
Ounces of gold receivable per every 1 million pounds of copper produced | lb           1      
Maximum ounces of gold receivable for second threshold   429,047              
Ounces of silver receivable per every 1 million pounds of copper produced   344              
Copper for stated ounces of silver | lb           1      
Number of payable Silver ounces to be purchased per quantity of pounds of copper   444              
Ounces of silver receivable per every 1 million pounds of copper produced | lb           1      
Ounces Of Silver Delivered Under Threshold 2 Before Committed Quantities Reduces   7,432,750              
Condestable                  
Commitments                  
Attributable payable production of platinum group metals to be purchased (as a percent)     0.00%            
Payment for each ounce of gold (as a percent)     20.00%            
Payment for each ounce of gold (in dollars per ounce) | $ / oz       20          
Payment for each ounce of silver (as a percent)     20.00%            
Payment for each ounce of silver (in dollars per ounce) | $ / oz       20          
Term of agreement   40 years              
Percentage of gold receivable after initial threshold is achieved   25.00%              
Maximum ounces of silver receivable   291,000              
Maximum ounces of gold receivable for first threshold   8,760              
Deliveries of ounces of refined gold threshold   87,600              
Refined gold delivery as percentage of production from stream area   63.00%              
Deliveries of refined silver threshold ounces   2,910,000              
Refined silver delivery as percentage of production from stream area   63.00%              
Percentage of silver delivered after second phase   25.00%              
Karma                  
Commitments                  
Attributable payable production of gold to be purchased (as a percent)     4.875%            
Attributable payable production of silver to be purchased (as a percent)     0.00%            
Attributable payable production of platinum group metals to be purchased (as a percent)     0.00%            
Payment for each ounce of gold (in dollars per ounce) | $ / oz       20          
Term of agreement   40 years              
Percentage of gold receivable after initial threshold is achieved   4.875%              
Percentage of spot price of gold on which on-going price is paid   20.00%              
Guadalupe-Palmarejo                  
Commitments                  
Attributable payable production of gold to be purchased (as a percent)     50.00%            
Attributable payable production of silver to be purchased (as a percent)     0.00%            
Attributable payable production of platinum group metals to be purchased (as a percent)     0.00%            
Payment for each ounce of gold (in dollars per ounce) | $ / oz       800          
Term of agreement   40 years              
Sabodala                  
Commitments                  
Attributable payable production of silver to be purchased (as a percent)     0.00%            
Attributable payable production of platinum group metals to be purchased (as a percent)     0.00%            
Payment for each ounce of gold (in dollars per ounce) | $ / oz       20          
Term of agreement   40 years              
Maximum ounces of gold threshold   105,750              
Percentage of gold receivable after initial threshold is achieved   6.00%              
Percentage of spot price of gold on which on-going price is paid   20.00%              
Maximum ounces of gold receivable (per month)   783.33              
MWS                  
Commitments                  
Attributable payable production of gold to be purchased (as a percent)     25.00%            
Attributable payable production of silver to be purchased (as a percent)     0.00%            
Attributable payable production of platinum group metals to be purchased (as a percent)     0.00%            
Payment for each ounce of gold (in dollars per ounce) | $ / oz       400          
Term of agreement   40 years              
Ounces of gold capped under agreement   312,500              
Cooke 4                  
Commitments                  
Attributable payable production of gold to be purchased (as a percent)     7.00%            
Attributable payable production of silver to be purchased (as a percent)     0.00%            
Attributable payable production of platinum group metals to be purchased (as a percent)     0.00%            
Payment for each ounce of gold (in dollars per ounce) | $ / oz       400          
Term of agreement   40 years              
Sudbury                  
Commitments                  
Attributable payable production of gold to be purchased (as a percent)     50.00%            
Attributable payable production of silver to be purchased (as a percent)     0.00%            
Attributable payable production of platinum group metals to be purchased (as a percent)     50.00%            
Payment for each ounce of gold (in dollars per ounce) | $ / oz       400          
Payment for each ounce of PGM (in dollars per ounce) | $ / oz       400          
Term of agreement   40 years              
Percentage of purchase commitment     50.00%            
Sudbury | Gold spot price is greater than $800 per ounce but less than $1,333 per ounce                  
Commitments                  
Payment for each ounce of gold (in dollars per ounce) | $ / oz       800          
Sudbury | Gold spot price is greater than $1,333 per ounce but less than $2,000 per ounce                  
Commitments                  
Payment for each ounce of gold (as a percent)     60.00%            
Sudbury | Gold spot price is greater than $2,000                  
Commitments                  
Payment for each ounce of gold (in dollars per ounce) | $ / oz       1,200          
Rosemont/Copper World royalty interest                  
Commitments                  
Capital commitments amount | $             $ 12,500,000    
Net smelter royalty interest held 0.585%                
Rio Baker Salares Norte                  
Commitments                  
Capital commitments amount | $             $ 8,000,000.0    
Bottom | Sudbury | Gold spot price is greater than $800 per ounce but less than $1,333 per ounce                  
Commitments                  
Gold spot price per oz minimum threshold (in dollar per ounce) | $                 800
Bottom | Sudbury | Gold spot price is greater than $1,333 per ounce but less than $2,000 per ounce                  
Commitments                  
Gold spot price per oz minimum threshold (in dollar per ounce) | $                 1,333
Bottom | Sudbury | Gold spot price is greater than $2,000                  
Commitments                  
Gold spot price per oz minimum threshold (in dollar per ounce) | $                 2,000
Top | Sudbury | Gold spot price is greater than $800 per ounce but less than $1,333 per ounce                  
Commitments                  
Gold spot price per oz maximum threshold (in dollar per ounce) | $                 1,333
Top | Sudbury | Gold spot price is greater than $1,333 per ounce but less than $2,000 per ounce                  
Commitments                  
Gold spot price per oz maximum threshold (in dollar per ounce) | $                 2,000