XML 131 R90.htm IDEA: XBRL DOCUMENT v3.24.1
Mineral Properties, Plant and Equipment - Rollforward of Carrying Value (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning $ 2,226.4 $ 2,344.5
Additions 433.2 300.6
Yamana acquisition (Note 8) 5,054.4  
Net smelter return royalties acquired (Note 9) 101.1  
Disposals (8.0) (17.1)
Disposition of subsidiaries (Note 9) (1,578.5)  
Depreciation, property, plant and equipment (486.0) (321.0)
Depreciation charge captured in inventory (0.2) (19.5)
Impairment charges (78.6) (99.1)
Transfers 0.0 0.0
Closure and decommissioning – changes in estimate (Note 19) 11.3 38.0
Carrying value, ending 5,675.1 2,226.4
Cost 9,619.6  
Depreciation and amortization included in mine care and maintenance 1.8 5.1
Cost    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning 5,863.7  
Carrying value, ending 9,619.7 5,863.7
Accumulated depreciation and impairments    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning (3,637.3)  
Carrying value, ending (3,944.5) (3,637.3)
Other property, plant and equipment    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning 393.0 474.7
Additions 71.5 20.5
Yamana acquisition (Note 8) 707.1  
Net smelter return royalties acquired (Note 9) 0.0  
Disposals (6.5) (5.8)
Disposition of subsidiaries (Note 9) 0.0  
Depreciation, property, plant and equipment (187.0) (113.3)
Depreciation charge captured in inventory 0.0 0.0
Impairment charges (46.5) (24.9)
Transfers 66.7 41.8
Closure and decommissioning – changes in estimate (Note 19) 0.0 0.0
Carrying value, ending 998.3 393.0
Cost 2,052.6  
Other property, plant and equipment | Cost    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning 1,281.4  
Carrying value, ending   1,281.4
Other property, plant and equipment | Accumulated depreciation and impairments    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning (888.4)  
Carrying value, ending (1,054.3) (888.4)
Depletable, Reserves and Resources | Mining property    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning 962.7 1,115.9
Additions 315.5 237.3
Yamana acquisition (Note 8) 1,474.1  
Net smelter return royalties acquired (Note 9) 0.0  
Disposals (1.4) (11.3)
Disposition of subsidiaries (Note 9) 0.0  
Depreciation, property, plant and equipment (297.2) (201.3)
Depreciation charge captured in inventory (0.2) (19.5)
Impairment charges 10.3 (73.7)
Transfers (62.6) (122.7)
Closure and decommissioning – changes in estimate (Note 19) 11.3 38.0
Carrying value, ending 2,412.5 962.7
Cost 4,348.5  
Depletable, Reserves and Resources | Mining property | Cost    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning 3,123.6  
Carrying value, ending   3,123.6
Depletable, Reserves and Resources | Mining property | Accumulated depreciation and impairments    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning (2,160.9)  
Carrying value, ending (1,936.0) (2,160.9)
Non-depletable, Reserves and Resources | Mining property    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning 442.2 327.4
Additions 21.0 42.8
Yamana acquisition (Note 8) 2,667.8  
Net smelter return royalties acquired (Note 9) 0.0  
Disposals 0.0 0.0
Disposition of subsidiaries (Note 9) (1,436.4)  
Depreciation, property, plant and equipment (1.8) (6.4)
Depreciation charge captured in inventory 0.0 0.0
Impairment charges (42.4) (0.5)
Transfers (18.3) 78.9
Closure and decommissioning – changes in estimate (Note 19) 0.0 0.0
Carrying value, ending 1,632.1 442.2
Cost 2,531.4  
Non-depletable, Reserves and Resources | Mining property | Cost    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning 617.4  
Carrying value, ending   617.4
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 (175.2)  
Carrying value, ending (899.3) (175.2)
Non-depletable, Exploration and Evaluation | Mining property    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning 428.5 426.5
Additions 25.2 0.0
Yamana acquisition (Note 8) 205.4  
Net smelter return royalties acquired (Note 9) 101.1  
Disposals (0.1) 0.0
Disposition of subsidiaries (Note 9) (142.1)  
Depreciation, property, plant and equipment 0.0 0.0
Depreciation charge captured in inventory 0.0 0.0
Impairment charges 0.0 0.0
Transfers 14.2 2.0
Closure and decommissioning – changes in estimate (Note 19) 0.0 0.0
Carrying value, ending 632.2 428.5
Cost 687.1  
Non-depletable, Exploration and Evaluation | Mining property | Cost    
Disclosure of detailed information about property, plant and equipment [line items]    
Carrying value, beginning 841.3  
Carrying value, ending   841.3
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 (412.8)  
Carrying value, ending $ (54.9) $ (412.8)