Employee benefit plans - Components of net periodic benefit cost (Details) - EUR (€) € in Thousands |
12 Months Ended | ||
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Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Employee benefit plans | |||
| Service cost | € 23,755 | € 28,748 | € 32,399 |
| Net interest cost | 24,845 | 24,135 | 23,721 |
| Prior service cost | (1,678) | (481) | (538) |
| (Gains) losses from settlements | 216 | ||
| Net periodic benefit costs | € 47,138 | € 52,402 | € 55,582 |
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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