v3.25.4
Treasury risk management - Disclosure of Impact of Interest Rate Swaps and Cross-Currency Swaps (Details) - EUR (€)
€ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure Of Impact Of Interest Rate Swaps And Cross Currency Swaps [Line Items]      
Current financial liabilities € (2,582) € (6,987)  
Non-current financial liabilities (25,696) (25,066)  
Total financial liabilities (28,278) (32,053) € (29,622)
Less: lease liabilities (1,326) (1,486)  
Financial liabilities (excluding lease liabilities) 26,952 30,567  
Fixed and Floating Interest Rate      
Disclosure Of Impact Of Interest Rate Swaps And Cross Currency Swaps [Line Items]      
Current financial liabilities (2,582) (6,987)  
Non-current financial liabilities (25,696) (25,066)  
Fixed rate (weighted average amount of fixing for the following year) € (22,228) € (21,151)