Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
2,532 .8
USD
|
2, 98 1.4
USD
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible exploration and evaluation assets |
2 8 7. 0
USD
|
288 .6
USD
|
— |
| Miscellaneous non-current assets [abstract] | |||
| Other non-current assets |
338 .6
USD
|
3 2 7. 1
USD
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
43,500,000
USD
|
26,800,000
USD
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
1 0 7.3
USD
|
181,600,000
USD
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
49 9.0
USD
|
63 6.3
USD
|
4 6 9 .1
USD
|
| Miscellaneous current assets [abstract] | |||
| Other current assets |
57 1 .2
USD
|
5 6 7. 9
USD
|
— |
| Borrowings [abstract] | |||
| Current borrowings and current portion of non-current borrowings [abstract] | |||
| Current borrowings |
10 0. 0
USD
|
10 0.0
USD
|
— |
| Non-current portion of non-current borrowings, by type [abstract] | |||
| Non-current portion of other non-current borrowings |
1, 9 8 4 . 6
USD
|
2 ,3 72 . 8
USD
|
— |
| Trade and other non-current payables [abstract] | |||
| Trade and other non-current payables |
78 3 . 2
USD
|
78 0.0
USD
|
— |
| Trade and other current payables [abstract] | |||
| Trade and other current payables |
7 7 5. 0
USD
|
7 5 0. 2
USD
|
— |
| Miscellaneous non-current liabilities [abstract] | |||
| Non-current derivative financial liabilities |
–
USD
|
57 .9
USD
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Current derivative financial liabilities |
3 5 .0
USD
|
18 6 . 3
USD
|
— |
| Issued capital [abstract] | |||
| Issued capital |
2 1 6 .7
USD
|
215. 2
USD
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
2,346,400,000
USD
|
2 , 241. 3
USD
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of exchange differences on translation |
2 44.4
USD
|
2 3 8 .6
USD
|
— |
| Miscellaneous equity [abstract] | |||
| Merger reserve |
755,200,000
USD
|
755. 2
USD
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
4,458,600,000
USD
|
5,0 3 9.6
USD
|
— |
| Liabilities |
4 , 8 1 8 .0
USD
|
5, 49 9.1
USD
|
— |
| Assets (liabilities) |
3 5 9. 4
USD
|
4 5 9 . 5
USD
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
1, 28 0.6
USD
|
1, 428.0
USD
|
— |
| Current liabilities |
1, 2 26 . 0
USD
|
1 , 32 1. 3
USD
|
— |
| Assets less current liabilities [abstract] |