Note 38 Other administrative expense (Details) - EUR (€) € in Millions |
6 Months Ended | |||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Disclosure of Other administrative expense [Line Items] | ||||
| Technology and systems | € 1,058 | € 874 | ||
| Communication expense | 133 | 125 | ||
| Advertising expense | 276 | 251 | ||
| Property Fixtures And Materials expense | 303 | 277 | ||
| Tax expense other than income tax expense | [1] | 178 | 60 | |
| Surveillance and security service expense | 120 | 130 | ||
| Outsourced administrative expense | 341 | 297 | ||
| Other expenses | 392 | 331 | ||
| Other expense, by function | € 2,801 | € 2,345 | ||
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