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Employee benefits (Tables) | 12 Months Ended
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Dec. 31, 2025
Retirement Benefits [Abstract] |
Schedule of pension and retirement expenses | Our pension and retirement expenses for all employees for the years ended December 31, 2025, 2024 and 2023, were:
Year ended December 31 (€, in millions) | 2023 | 2024 |  | 2025
Pension plan based on multi-employer union plan | 244.4 | 276.3 |  | 296.6
Pension plans based on defined contribution and other plans | 104.5 | 118.9 |  | 137.1
Pension and retirement expenses | 348.9 | 395.2 |  | 433.7

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- Definition Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 20 -Topic 715 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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