v3.26.1
Cash flow information - Summary Of An Analysis Of Net Debt And The Movements In Net Debt (Detail) - EUR (€)
€ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Summary Of An Analysis Of Net Debt And The Movements In Net Debt [Line Items]        
Cash and cash equivalents € 1,075 € 3,521 € 2,907 € 1,047
Borrowings—repayable within one year (798) (273)    
Borrowings—repayable after one year (5,507) (4,247)    
Lease liabilities—repayable within one year (76) (19)    
Lease liabilities—repayable after one year (559) (32)    
Net debt [1] (5,865) (1,050)    
Floating interest rate [member]        
Summary Of An Analysis Of Net Debt And The Movements In Net Debt [Line Items]        
Borrowings (1,155) (10)    
Fixed interest rate [member]        
Summary Of An Analysis Of Net Debt And The Movements In Net Debt [Line Items]        
Borrowings € (5,150) € (4,510)    
[1] Reconstituted to include current and non-current lease liabilities.