v3.26.1
Components of other comprehensive income - Summary of Components of other comprehensive income (Detail) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of analysis of other comprehensive income by item [abstract]      
Impact of currency translation € (458) € 228 € (196)
Income tax effect (24) 12 (11)
Total impact of currency translation, net of tax € (434) € 216 € (185)