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Commitments and Contingencies - Schedule of Purchase Commitments in Connection With Commodity Streams (Parenthetical) (Detail)
lb in Millions, $ in Millions
Dec. 31, 2022
AUD ($)
$ / per_Oz
$ / per_LB
oz
lb
Gold Commodity Type [member] | Relief Canyon [Member]  
Commitments and Contingencies [Line Items]  
Threshold, percentage life of mine or relevant weight commodity change 32,022
Gold Commodity Type [member] | Vatukoula [Member]  
Commitments and Contingencies [Line Items]  
Threshold, percentage life of mine or relevant weight commodity change 11,022
Commodity per ounce purchase price percentage of market price 20.00%
Gold Commodity Type [member] | Blyvoor Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Commodity per ounce purchase price | $ / per_Oz 572
Initial delivered threshold production 300,000
Threshold cumulative commodity production 10,320,000
Gold Commodity Type [member] | Bonikro Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Commodity per ounce purchase price | $ / per_Oz 400
Gold Commodity Type [member] | Greenstone Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Commodity per ounce purchase price percentage of market price 20.00%
Per​ ounce ​payment to fund mine level environmental and social programs | $ / per_Oz 30
Gold Commodity Type [member] | Mercedes Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Threshold, percentage life of mine or relevant weight commodity change 25,200
Gold Commodity Type [member] | Platreef Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Payability factor 80.00%
Gold Commodity Type [member] | During Fixed Delivery Period [member] | Relief Canyon [Member]  
Commitments and Contingencies [Line Items]  
Commodity per ounce purchase price | $ / per_Oz 0
Gold Commodity Type [member] | Until 39,000 Ounces [Member] | Bonikro Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Threshold, percentage life of mine or relevant weight commodity change 39,000
Gold Commodity Type [member] | Thereafter 120333 Ounces of Gold [Member] | Greenstone Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Threshold, percentage life of mine or relevant weight commodity change 120,333
Gold Commodity Type [member] | Until 131250 Gold Ounces Delivered [Member] | Platreef Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Threshold, percentage life of mine or relevant weight commodity change 131,250
Percentage of life of mine gold or relevant commodity 37.50%
Gold Commodity Type [member] | After 256980 Gold Ounces Delivered [Member] | Platreef Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 1.875%
Gold Commodity Type [member] | After 11,022 Ounces Delivered [Member] | Vatukoula [Member]  
Commitments and Contingencies [Line Items]  
Threshold, percentage life of mine or relevant weight commodity change 11,022
Gold Commodity Type [member] | After 120,333 Ounces Delivered [Member] | Greenstone Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 1.583%
Gold Commodity Type [member] | After 25,200 Ounces Delivered [Member] | Mercedes Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 4.40%
Commodity per ounce purchase price percentage of market price 25.00%
Gold Commodity Type [member] | Until 25,200 Ounces Delivered [Member] | Mercedes Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Commodity per ounce purchase price percentage of market price 7.50%
Gold Commodity Type [member] | Above 100000 Ounces Produced In Calendar Year [Member] | Vatukoula [Member] | After Delivery of 11,022 Gold Ounces [member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 1.199%
Gold Commodity Type [member] | Upto First 16000 Ounces Of Gold Delivered In Calendar Year [Member] | Blyvoor Gold Stream [Member] | Until 300,000 Total Ounces Delivered [Member]  
Commitments and Contingencies [Line Items]  
Threshold, percentage life of mine or relevant weight commodity change 16,000
Percentage of life of mine gold or relevant commodity 10.00%
Gold Commodity Type [member] | After 16000 Ounces Of Gold Delivered In Calendar Year [Member] | Blyvoor Gold Stream [Member] | Until 300,000 Total Ounces Delivered [Member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 5.00%
Gold Commodity Type [member] | Upto First 100000 Ounces Produced In Calendar Year [Member] | Vatukoula [Member] | After 11,022 Total Ounces Delivered [Member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 1.363%
Gold Commodity Type [member] | Upto First 100000 Ounces Received In Calendar Year [Member] | Blyvoor Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Commodity Production Limit 100,000
Gold Commodity Type [member] | Upto First 100000 Ounces Received In Calendar Year [Member] | Blyvoor Gold Stream [Member] | After 300000 Ounces Delivered Until 10320000 Ounces Produced [Member]  
Commitments and Contingencies [Line Items]  
Percentage of commodity received on production 0.50%
Gold Commodity Type [member] | Until 39000 Ounces Delivered [Member] | Bonikro Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 6.00%
Gold Commodity Type [member] | From 39000 Ounces To 61750 Ounces Delivered [Member] | Bonikro Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Threshold, percentage life of mine or relevant weight commodity change 61,750
Percentage of life of mine gold or relevant commodity 3.50%
Gold Commodity Type [member] | After 61750 Ounces Delivered [Member] | Bonikro Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 2.00%
Gold Commodity Type [member] | Until 120333 Ounces Of Gold Delivered [Member] | Greenstone Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 2.375%
Percentage basis 100.00%
Gold Commodity Type [member] | Until 405000 Ounces Gold Delivered [Member] | Hod Maden [member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 20.00%
Commodity per ounce purchase price percentage of market price 50.00%
Percentage basis 100.00%
Gold Commodity Type [member] | After 405000 Ounces Of Gold Delivered [Member] | Hod Maden [member]  
Commitments and Contingencies [Line Items]  
Threshold, percentage life of mine or relevant weight commodity change 405,000
Percentage of life of mine gold or relevant commodity 12.00%
Commodity per ounce purchase price percentage of market price 60.00%
Gold Commodity Type [member] | Until Aggregate 256980 Gold Ounces Delivered [Member] | Platreef Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Commodity per ounce purchase price | $ / per_Oz 100
Threshold, percentage life of mine or relevant weight commodity change 256,980
Gold Commodity Type [member] | After 8.6 Million​ Ounces​ Produced [member] | The Lesser of $500 and Prevailing Market Price [member] | Hugo North Extension and Heruga [member] | Top of Range [member]  
Commitments and Contingencies [Line Items]  
Commodity per ounce purchase price | $ / per_Oz 500
Gold Commodity Type [member] | Until 8.6 Million Ounces produced [Member] | The Lesser of $220 and Prevailing Market Price [member] | Hugo North Extension and Heruga [member] | Bottom of Range [member]  
Commitments and Contingencies [Line Items]  
Commodity per ounce purchase price | $ / per_Oz 220
Gold Commodity Type [member] | After 131250 Ounces Delivered Until Aggregate 256980 Gold Ounces Delivered [Member] | Platreef Gold Stream [Member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 30.00%
Gold Commodity Type [member] | Upto 11,022 Ounces Delivered [member] | Vatukoula [Member]  
Commitments and Contingencies [Line Items]  
Commodity per ounce purchase price percentage of market price 20.00%
Copper Commodity Type [member] | Chapada Mine [member]  
Commitments and Contingencies [Line Items]  
Threshold, annual maximum measurement weight commodity purchase | lb 3.9
Percentage of life of mine gold or relevant commodity 4.20%
Commodity per ounce purchase price percentage of market price 30.00%
Copper Commodity Type [member] | Hugo North Extension and Heruga [member]  
Commitments and Contingencies [Line Items]  
Threshold, purchase price per measurement weight change | lb 9,100.0
Copper Commodity Type [member] | Below 560 Metres Threshold [member] | Hugo North Extension and Heruga [member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 0.42%
Copper Commodity Type [member] | Above 560 Metres Threshold [member] | Hugo North Extension and Heruga [member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 0.62%
Copper Commodity Type [member] | Before 9.1 Billion Pounds Produced [member] | The Lesser of $.50 and Prevailing Market Price [member] | Hugo North Extension and Heruga [member]  
Commitments and Contingencies [Line Items]  
Commodity per pound purchase price | $ / per_LB 0.5
Copper Commodity Type [member] | After 9.1 Billion Pounds Produced [member] | The Lesser of $1.10 and Prevailing Market Price [member] | Hugo North Extension and Heruga [member]  
Commitments and Contingencies [Line Items]  
Commodity per pound purchase price | $ / per_LB 1.1
Copper Commodity Type [member] | Before Chapada Copper Stream Delivers 39 Million Pounds [Member] | Chapada Mine [member]  
Commitments and Contingencies [Line Items]  
Threshold, percentage life of mine or relevant weight commodity change | lb 39.0
Percentage of life of mine gold or relevant commodity 4.20%
Copper Commodity Type [member] | Above 39 Million Pounds And Less Than 50 Million Pounds Threshold [member] | Chapada Mine [member]  
Commitments and Contingencies [Line Items]  
Threshold, percentage life of mine or relevant weight commodity change | lb 50.0
Percentage of life of mine gold or relevant commodity 3.00%
Copper Commodity Type [member] | Above 50 Million Pounds [member] | Chapada Mine [member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 1.50%
Gold and Silver Commodity Type [member] | Relief Canyon [Member] | Bottom of Range [member]  
Commitments and Contingencies [Line Items]  
Commodity per ounce purchase price percentage of market price 30.00%
Gold and Silver Commodity Type [member] | Relief Canyon [Member] | Top of Range [member]  
Commitments and Contingencies [Line Items]  
Commodity per ounce purchase price percentage of market price 65.00%
Gold and Silver Commodity Type [member] | Below 560 Metres Threshold [member] | Hugo North Extension [member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 5.62%
Gold and Silver Commodity Type [member] | Below 560 Metres Threshold [member] | Heruga [member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 4.26%
Gold and Silver Commodity Type [member] | Above 560 Metres Threshold [member] | Hugo North Extension [member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 8.43%
Gold and Silver Commodity Type [member] | Above 560 Metres Threshold [member] | Heruga [member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 6.39%
Gold and Silver Commodity Type [member] | After 32022 Ounces Delivered [Member] | Relief Canyon [Member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 4.00%
Silver Commodity Type [member] | Yamana Silver Stream [member]  
Commitments and Contingencies [Line Items]  
Threshold, annual maximum measurement weight commodity purchase 1,200,000
Threshold, percentage life of mine or relevant weight commodity change 7,000,000
Commodity per ounce purchase price percentage of market price 30.00%
Silver Commodity Type [member] | Woodlawn Silver Stream [Member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 80.00%
Aggregate ​maximum delivery threshold | $ $ 27.0
Payment per million tones ore processed | $ 1.0
Aggregate cumulative cap delivery | $ $ 10.0
Silver Commodity Type [member] | Before 40.3 million ounces produced from property [member] | The Lesser of $5 and Prevailing Market Price [member] | Hugo North Extension and Heruga [member]  
Commitments and Contingencies [Line Items]  
Commodity per ounce purchase price | $ / per_Oz 5
Silver Commodity Type [member] | After 40.3 Million Ounces ​Produced [member] | The Lesser of $10 and Prevailing Market Price [member] | Hugo North Extension and Heruga [member]  
Commitments and Contingencies [Line Items]  
Commodity per ounce purchase price | $ / per_Oz 10
Silver Commodity Type [member] | Below 7 Million Ounces Threshold [member] | Yamana Silver Stream [member] | Annual Maximum Of 1.2 Million Ounces [Member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 20.00%
Silver Commodity Type [member] | Above 7 Million Ounces Threshold [member] | Yamana Silver Stream [member]  
Commitments and Contingencies [Line Items]  
Percentage of life of mine gold or relevant commodity 9.00%
Silver Commodity Type [member] | Until 3750000 Ounces of Silver [Member] | Mercedes Silver Stream [Member]  
Commitments and Contingencies [Line Items]  
Threshold, percentage life of mine or relevant weight commodity change 3,750,000
Silver Commodity Type [member] | Until 3750000 Ounces of Silver Delivered [Member] | Mercedes Silver Stream [Member]  
Commitments and Contingencies [Line Items]  
Commodity per ounce purchase price percentage of market price 20.00%
Percentage of commodity production purchased 100.00%
Minimum Annual Delivery Requirement Per Annum 300,000
Silver Commodity Type [member] | After 3750000 Ounces of Silver Delivered [Member] | Mercedes Silver Stream [Member]  
Commitments and Contingencies [Line Items]  
Threshold, percentage life of mine or relevant weight commodity change 3,750,000
Commodity per ounce purchase price percentage of market price 20.00%
Percentage of commodity production purchased 30.00%
Zinc Commodity [Member] | CEZinc zinc stream [Member]  
Commitments and Contingencies [Line Items]  
Maximum total delivery of commodity | lb 68.0
Percentage of life of mine gold or relevant commodity 1.00%