v3.26.1
Debt, cash and cash equivalents - Summary of Net Debt by Type Valuation of Redemption (Details)
€ in Millions, $ in Billions
Jun. 30, 2026
EUR (€)
Jun. 30, 2026
USD ($)
Dec. 31, 2025
EUR (€)
Disclosure of reconciliation of carrying amount to value on redemption [line items]      
Interest rate and currency derivatives used to manage debt € 221   € 112
Total debt 21,893   18,702
Cash and cash equivalents (6,350)   (7,657)
Interest rate and currency derivatives used to manage cash and cash equivalents (30)   (37)
Net debt 15,513   11,008
Value on redemption      
Disclosure of reconciliation of carrying amount to value on redemption [line items]      
Bond issues 18,301   17,471
Other bank borrowings 3,340   990
Other borrowings 1   1
Bank credit balances 136   242
Interest rate and currency derivatives used to manage debt 90   12
Total debt 21,868   18,716
Cash and cash equivalents (6,350)   (7,657)
Interest rate and currency derivatives used to manage cash and cash equivalents (30)   (37)
Net debt 15,488   11,022
Value on redemption | non-current      
Disclosure of reconciliation of carrying amount to value on redemption [line items]      
Bond issues 14,702   14,306
Other bank borrowings 49   54
Other borrowings 0   0
Bank credit balances 0   0
Interest rate and currency derivatives used to manage debt 0   0
Total debt 14,751   14,360
Value on redemption | current      
Disclosure of reconciliation of carrying amount to value on redemption [line items]      
Bond issues 3,599   3,165
Other bank borrowings 3,291   936
Other borrowings 1   1
Bank credit balances 136   242
Interest rate and currency derivatives used to manage debt 90   12
Total debt 7,117   4,356
Value on redemption | United States | Net Investment Hedge      
Disclosure of reconciliation of carrying amount to value on redemption [line items]      
Notional amount | $   $ 3  
Value on redemption | Commercial paper program in USA | current      
Disclosure of reconciliation of carrying amount to value on redemption [line items]      
Other bank borrowings 3,217    
Value on redemption | non-current      
Disclosure of reconciliation of carrying amount to value on redemption [line items]      
Cash and cash equivalents 0   0
Interest rate and currency derivatives used to manage cash and cash equivalents 0   0
Net debt 14,751   14,360
Value on redemption | current      
Disclosure of reconciliation of carrying amount to value on redemption [line items]      
Cash and cash equivalents (6,350)   (7,657)
Interest rate and currency derivatives used to manage cash and cash equivalents (30)   (37)
Net debt € 737   € (3,338)