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Intangible assets - Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2025
Intangible assets and goodwill [abstract] |
Disclosure of detailed information about goodwill | The detail of goodwill, based on the cash-generating units giving rise thereto, is as follows:
EUR million
| 2025 | 2024 | 2023
Banco Santander (Brasil) | 3,031 |  | 3,079 |  | 3,679 |
SAM Investment Holdings Limited | 1,444 |  | 1,444 |  | 1,444 |
Santander Consumer Germany | 1,304 |  | 1,304 |  | 1,304 |
Santander Portugal | 1,040 |  | 1,040 |  | 1,040 |
Santander España | 998 |  | 998 |  | 998 |
Santander US Auto | 943 |  | 1,068 |  | 1,003 |
Santander Holding USA (ex. Auto) | 765 |  | 865 |  | 814 |
Santander UK | 609 |  | 641 |  | 612 |
Banco Santander - Chile | 470 |  | 482 |  | 516 |
Grupo Financiero Santander (México) | 463 |  | 453 |  | 523 |
Ebury Partners | 326 |  | 340 |  | 350 |
Santander Consumer Nordics | 211 |  | 211 |  | 206 |
Santander Bank Polska | — |  | 1,178 |  | 1,159 |
Other companies | 354 |  | 335 |  | 369 |
Total Goodwill | 11,958 |  | 13,438 |  | 14,017 |
Schedule of goodwill and changes in goodwill | The changes in goodwill were as follows:
EUR million
| 2025 | 2024 | 2023
Balance at beginning of year | 13,438 |  | 14,017 |  | 13,741 |
Additions | 19 |  | 30 |  | 56 |
Of which: |  |  |
Ebury Partners | — |  | — |  | 45 |
Impairment losses | (4) |  | (4) |  | (20) |
Transfer to Assets held for sale (Notes 3 y 12) | (1,176) |  | — |  | — |
Exchange differences and other items | (291) |  | (605) |  | 240 |
Balance at end of year | 11,958 |  | 13,438 |  | 14,017 |
Schedule of goodwill assumptions | Following is a detail of the main assumptions taken into account in determining the recoverable amount, at 2025 year-end, of the most significant cash-generating units which were valued using the discounted cash flow method:
| 2025
| Projected period | Discount rate A | Nominal perpetual growth rate
Santander UK | 5 years | 12.4 | % | 2.5%
Santander US Auto | 3 years | 11.5 | % | 3.0%
Santander Holding USA (ex. Auto)B | 5 years | 13.6 | % | 3.5%
Santander Consumer Germany | 5 years | 9.5 | % | 2.5%
SAM Investment Holdings, Limited | 5 years | 11.5 | % | 2.5%
Santander Portugal | 5 years | 10.6 | % | 2.5%
A. Post-tax discount rate. B. Weighted information of the main assumptions of the segments to which goodwill has been allocated. The discount and nominal perpetual growth rates taken into account in 2024 and 2023 are presented below for comparison purposes:
| Discount rate A | Nominal perpetual growth rate
| 2024 | 2023 | 2024 | 2023
Santander UK | 11.8 | % | 11.9 | % | 2.5 | % | 2.5 | %
Santander Bank Polska | 12.9 | % | 13.2 | % | 5.0 | % | 5.0 | %
Santander US Auto | 12.2 | % | 12.8 | % | 3.0 | % | 3.0 | %
Santander Holding USA (ex. Auto)B | 13.4 | % | 13.4 | % | 3.5 | % | 3.5 | %
Santander Consumer Germany | 9.1 | % | 9.7 | % | 2.0 | % | 2.3 | %
SAM Investment Holdings, Limited | 11.6 | % | 11.6 | % | 2.5 | % | 2.5 | %
Santander Portugal | 10.2 | % | 11.2 | % | 2.5 | % | 2.5 | %
A. Post-tax discount rate. B. Weighted information of the main assumptions of the segments to which goodwill has been allocated.

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