v3.25.4
Acquisitions and Other Transactions - Funding of Cascabel Stream - Ecuador (Details) - Cascabel Stream - Ecuador
$ in Millions
Jul. 17, 2025
USD ($)
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Jul. 15, 2024
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Acquisitions    
Number of payments for pre- construction funding   3
Osisko    
Acquisitions    
Ownership percentage 30.00% 30.00%
Franco-Nevada (Barbados) Corporation ("FNBC")    
Acquisitions    
Ownership percentage 70.00% 70.00%
Franco-Nevada (Barbados) Corporation ("FNBC") | Acquisition of gold stream    
Acquisitions    
Number of payments for pre- construction funding 3  
Acquisition amount on pre-construction activities | $ $ 23.3