XML 123 R84.htm IDEA: XBRL DOCUMENT v3.25.0.1
Mineral Properties, Plant and Equipment - Rollforward of Carrying Value (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning $ 5,675.1 $ 2,226.4
Additions 394.4 433.2
Yamana acquisition (Note 8)   5,054.4
Net smelter return royalty acquired (Note 9) 29.7 101.1
Disposals (8.5) (8.0)
Disposition of subsidiaries (Note 9) (223.2) (1,578.5)
Depreciation, property, plant and equipment (522.4) (486.0)
Depreciation charge captured in inventory (41.0) (0.2)
Impairment charges   (78.6)
Transfers 0.0 0.0
Closure and decommissioning – changes in estimate (Note 18) 21.0 11.3
Carrying value, ending 5,325.1 5,675.1
Depreciation and amortization included in mine care and maintenance 1.4 1.8
Depreciation and amortization from net realizable value adjustments 50.7  
Cost    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning 9,619.6  
Carrying value, ending 9,496.5 9,619.6
Accumulated depreciation and impairments    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning (3,944.5)  
Carrying value, ending (4,171.4) (3,944.5)
Other property, plant and equipment    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning 998.3 393.0
Additions 83.2 71.5
Yamana acquisition (Note 8)   707.1
Net smelter return royalty acquired (Note 9) 0.0 0.0
Disposals (6.7) (6.5)
Disposition of subsidiaries (Note 9) (2.5) 0.0
Depreciation, property, plant and equipment (208.8) (187.0)
Depreciation charge captured in inventory 0.0 0.0
Impairment charges   (46.5)
Transfers 194.4 66.7
Closure and decommissioning – changes in estimate (Note 18) 0.0 0.0
Carrying value, ending 1,057.9 998.3
Other property, plant and equipment | Cost    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning 2,052.6  
Carrying value, ending 2,192.4 2,052.6
Other property, plant and equipment | Accumulated depreciation and impairments    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning (1,054.3)  
Carrying value, ending (1,134.5) (1,054.3)
Depletable, Reserves and Resources | Mining property    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning 2,412.5 962.7
Additions 287.5 315.5
Yamana acquisition (Note 8)   1,474.1
Net smelter return royalty acquired (Note 9) 0.0 0.0
Disposals (1.0) (1.4)
Disposition of subsidiaries (Note 9) (103.7) 0.0
Depreciation, property, plant and equipment (312.2) (297.2)
Depreciation charge captured in inventory (41.0) (0.2)
Impairment charges   10.3
Transfers (131.4) (62.6)
Closure and decommissioning – changes in estimate (Note 18) 21.0 11.3
Carrying value, ending 2,131.7 2,412.5
Depletable, Reserves and Resources | Mining property | Cost    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning 4,348.5  
Carrying value, ending 4,244.5 4,348.5
Depletable, Reserves and Resources | Mining property | Accumulated depreciation and impairments    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning (1,936.0)  
Carrying value, ending (2,112.8) (1,936.0)
Non-depletable, Reserves and Resources | Mining property    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning 1,632.1 442.2
Additions 21.6 21.0
Yamana acquisition (Note 8)   2,667.8
Net smelter return royalty acquired (Note 9) 0.0 0.0
Disposals (0.8) 0.0
Disposition of subsidiaries (Note 9) 0.0 (1,436.4)
Depreciation, property, plant and equipment (1.4) (1.8)
Depreciation charge captured in inventory 0.0 0.0
Impairment charges   (42.4)
Transfers (26.3) (18.3)
Closure and decommissioning – changes in estimate (Note 18) 0.0 0.0
Carrying value, ending 1,625.2 1,632.1
Non-depletable, Reserves and Resources | Mining property | Cost    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning 2,531.4  
Carrying value, ending 2,496.7 2,531.4
Non-depletable, Reserves and Resources | Mining property | Accumulated depreciation and impairments    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning (899.3)  
Carrying value, ending (871.5) (899.3)
Non-depletable, Exploration and Evaluation | Mining property    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning 632.2 428.5
Additions 2.1 25.2
Yamana acquisition (Note 8)   205.4
Net smelter return royalty acquired (Note 9)   101.1
Disposals 0.0 (0.1)
Disposition of subsidiaries (Note 9) (117.0) (142.1)
Depreciation, property, plant and equipment 0.0 0.0
Depreciation charge captured in inventory 0.0 0.0
Impairment charges   0.0
Transfers (36.7) 14.2
Closure and decommissioning – changes in estimate (Note 18) 0.0 0.0
Carrying value, ending 510.3 632.2
Non-depletable, Exploration and Evaluation | Mining property | Cost    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning 687.1  
Carrying value, ending 562.9 687.1
Non-depletable, Exploration and Evaluation | Mining property | Accumulated depreciation and impairments    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning (54.9)  
Carrying value, ending $ (52.6) $ (54.9)