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Share-based compensation - Weighted average assumptions (Details) - SARs and TSARs - $ / shares | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Risk-free interest rate | 4.20% | 4.50%
Expected dividend yield | 1.50% | 1.60%
Expected life of SARs and TSARs (years) | 1 year 6 months | 1 year 4 months 24 days
Expected volatility | 35.00% | 38.00%
Expected forfeitures | 0.00% | 0.00%
Weighted average fair value (in usd per unit) | $ 12.16 | $ 10.75

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- Definition The weighted average exercise price of other equity instruments (ie other than share options) granted in a share-based payment arrangement. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2024-01-01 -Paragraph 45 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2024-en-r&anchor=para_45&doctype=Standard -URIDate 2024-03-27 + Details
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- Details
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