v3.26.1
Note 38 Personnel expense (Details) - EUR (€)
€ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Personnel expenses [Line Items]    
Wages and salaries € 3,155 € 2,768
Social security contributions 611 528
Post-employment benefit expense, defined contribution plans 95 72
Post-employment benefit expense, defined benefit plans 34 28
Other employee expense [1] 470 297
Employee benefits expense € 4,365 € 3,693
[1]
(1) The variation is mainly due to the impact of voluntary redundancies in the six months ended June 30, 2026.