Consolidated shareholders' equity - Summary of number of shares used to compute diluted earnings per share (Details) - € / shares |
6 Months Ended | |
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Jun. 30, 2026 |
Jun. 30, 2025 |
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| Share Capital, Reserves And Other Equity Interest [Abstract] | ||
| Basic earnings per share from continuing operations (in euros per share) | € 1.61 | € 2.40 |
| Basic earnings per share from discontinued operations (in euros per share) | 0.02 | 2.34 |
| Diluted earnings per share from continuing operations (in euros per share) | 1.60 | 2.39 |
| Diluted earnings per share from discontinued operations (in euros per share) | € 0.02 | € 2.33 |
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- Definition Basic earnings (loss) per share from continuing operations. [Refer: Basic earnings (loss) per share; Continuing operations, unless line item indicates otherwise [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Basic earnings (loss) per share from discontinued operations. [Refer: Basic earnings (loss) per share; Discontinued operations [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Diluted earnings (loss) per share from continuing operations. [Refer: Continuing operations, unless line item indicates otherwise [member]; Diluted earnings (loss) per share] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Diluted earnings (loss) per share from discontinued operations. [Refer: Diluted earnings (loss) per share; Discontinued operations [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Share Capital, Reserves And Other Equity Interest [Abstract] No definition available.
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