v3.25.4
Royalty, Stream and Working Interests - Rollforward (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Royalty, stream and working interests    
Balance at beginning of year $ 4,098.8 $ 4,027.1
Additions 2,191.3 407.4
Disposal   (10.6)
Impairment reversal 4.8  
Depletion (304.2) (223.0)
Impact of foreign exchange 52.4 (102.1)
Balance at end of year 6,043.1 4,098.8
Mining Royalties    
Royalty, stream and working interests    
Balance at beginning of year 1,034.3 948.7
Additions 1,370.7 140.3
Disposal   (10.6)
Transfers (4.0) 44.0
Depletion (81.4) (40.0)
Impact of foreign exchange 20.8 (48.1)
Balance at end of year 2,340.4 1,034.3
Streams    
Royalty, stream and working interests    
Balance at beginning of year 1,273.3 1,359.0
Additions 524.9 36.2
Impairment reversal 4.8  
Depletion (158.5) (121.9)
Balance at end of year 1,644.5 1,273.3
Energy    
Royalty, stream and working interests    
Balance at beginning of year 1,197.8 1,146.4
Additions 9.7 137.0
Depletion (63.6) (60.9)
Impact of foreign exchange 13.5 (24.7)
Balance at end of year 1,157.4 1,197.8
Advanced    
Royalty, stream and working interests    
Balance at beginning of year 343.4 396.0
Additions 283.9 8.9
Transfers 4.0 (36.2)
Depletion (0.7) (0.2)
Impact of foreign exchange 14.8 (25.1)
Balance at end of year 645.4 343.4
Exploration    
Royalty, stream and working interests    
Balance at beginning of year 250.0 177.0
Additions 2.1 85.0
Transfers   (7.8)
Impact of foreign exchange 3.3 (4.2)
Balance at end of year $ 255.4 $ 250.0