v3.25.4
Fair value of financial assets and liabilities - Financial liabilities subject to offsetting, enforceable master netting arrangements or similar agreements (Detail) - Derivatives - EUR (€)
€ in Millions
Dec. 31, 2025
Dec. 31, 2024
Fair value of financial assets and liabilities [Line Items]    
Gross financial liabilities subject to offsetting, enforceable master netting arrangements or similar agreements € (39) € (63)
Net financial liabilities subject to offsetting, enforceable master netting arrangements or similar agreements in statement of financial position (39) (63)
Financial instruments 32 45
Net amount € (7) € (18)