Related party transactions - Financing (Details) - EUR (€) € in Thousands	Mar. 31, 2026	Dec. 31, 2025
Equity method investees \| Cash pooling program
Financing
Outstanding accounts payable	€ 14,784	€ 12,962

The amounts payable resulting from related party transactions. [Refer: Total for all related parties [member]]

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Balance Type:	credit
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