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Note 44 Administrative expenses (Details) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
[1]
Disclosure of Other administrative expense [Line Items]      
Technology and systems € 1,732 € 1,512 € 1,391
Communication expense 261 219 195
Advertising expense 441 349 266
Property Fixtures And Materials expense 577 520 440
Taxes Other Than Income Tax 481 451 370
Surveillance and security service expense 255 234 214
Other expenses 1,253 1,090 897
Other expense, by function € 5,001 € 4,375 € 3,773
[1]
(1) Balances corresponding to 2022 have been restated according to IFRS 17 (see Note 1.3).