Finance income and expenses - Finance expenses (Details) - USD ($) $ in Millions |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Finance Income And Expenses [Abstract] | |||||
| Interest expenses | $ 475.1 | $ 467.7 | $ 380.8 | ||
| Adjustments to financial liabilities in respect of cashflows and repayments | [1] | 46.0 | |||
| Losses reclassified to profit or loss on derecognition of debt instruments at fair value through other comprehensive income | 0.7 | 13.6 | |||
| Net foreign currency exchange rate differences | 11.9 | 1.2 | |||
| Impairment losses on trade and other receivables | 3.6 | 3.1 | 5.1 | ||
| Total finance expenses | 490.6 | $ 471.5 | $ 446.7 | ||
| Adjustments for increase (decrease) in financial liabilities held for trading | 46.0 | ||||
| Adjustments for increase (decrease) in other liabilities | $ 21.0 | ||||
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