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Performance B.4.1. Share-based compensation - Assumptions (Details) | 12 Months Ended
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Dec. 31, 2025 yr $ / shares
Performance Share Plan 2023 (Relative TSR) |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Risk-free  rate % | 4.66%
Dividend yield % | 0.00%
Share price volatility % | 52.88%
Award term (years) | yr | 2.82
Share fair value (in usd per share) | $ / shares | $ 31.13
Performance Share Plan 2022 (Relative TSR) |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Risk-free  rate % | 2.01%
Dividend yield % | 0.00%
Share price volatility % | 47.94%
Award term (years) | yr | 2.80
Share fair value (in usd per share) | $ / shares | $ 29.12
Performance share plan 2024 (SAR) |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Risk-free  rate % | 4.31%
Dividend yield % | 0.00%
Share price volatility % | 38.20%
Award term (years) | yr | 6.50
Share fair value (in usd per share) | $ / shares | $ 9.35

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