XML 339 R257.htm IDEA: XBRL DOCUMENT
v3.26.1

Non-controlling interests - Schedule of detail, by Group company, of non-controlling interests (Details) € in Millions, £ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 EUR (€) | Dec. 31, 2024 EUR (€) | Dec. 31, 2023 EUR (€) | Dec. 31, 2024 GBP (£)
Non-controlling interests |  |  |  |
Non-controlling interests, excluding profit (loss) for the current period | € 8,179 | € 7,556 | € 7,711 |
Profit/(loss) attributable to non-controlling interests | 1,399 | 1,170 | 1,107 |
Non-controlling interests | 9,578 | 8,726 | 8,818 |
Other equity interest | 273 | 217 | 195 |
Santander Bank Polska S.A. |  |  |  |
Non-controlling interests |  |  |  |
Non-controlling interests, excluding profit (loss) for the current period | 2,670 | 2,320 | 1,934 |
Profit/(loss) attributable to non-controlling interests | 604 | 413 | 347 |
Grupo PSA |  |  |  |
Non-controlling interests |  |  |  |
Non-controlling interests, excluding profit (loss) for the current period | 1,815 | 1,725 | 1,590 |
Profit/(loss) attributable to non-controlling interests | 230 | 217 | 285 |
Banco Santander - Chile |  |  |  |
Non-controlling interests |  |  |  |
Non-controlling interests, excluding profit (loss) for the current period | 1,422 | 1,364 | 1,379 |
Profit/(loss) attributable to non-controlling interests | 313 | 271 | 235 |
Banco Santander (Brasil) S.A. |  |  |  |
Non-controlling interests |  |  |  |
Non-controlling interests, excluding profit (loss) for the current period | 1,397 | 1,257 | 1,493 |
Profit/(loss) attributable to non-controlling interests | 184 | 233 | 182 |
Other companies |  |  |  |
Non-controlling interests |  |  |  |
Non-controlling interests, excluding profit (loss) for the current period | 875 | 890 | 1,315 |
Profit/(loss) attributable to non-controlling interests | € 68 | 36 | 58 |
Santander UK plc | Fixed Rate Reset Perpetual AT1 Capital Securities |  |  |  |
Non-controlling interests |  |  |  |
Other equity interest |  | € 590 | € 576 | £ 500

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of equity in a subsidiary not attributable, directly or indirectly, to a parent. [Refer: Total for all subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 10 -IssueDate 2025-01-01 -Paragraph 22 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=10&code=ifrs-tx-2025-en-r&anchor=para_22&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2025-01-01 -Paragraph 12 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_12_f&doctype=Standard -URIDate 2025-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 54 -Subparagraph q -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_q&doctype=Standard -URIDate 2025-03-27 + Details
Name: | ifrs-full_NoncontrollingInterests
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of equity interest of an entity without share capital that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph B9 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B9_f&doctype=Appendix&subtype=B -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 78 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_e&doctype=Standard -URIDate 2025-03-27 + Details
Name: | ifrs-full_OtherEquityInterest
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The profit (loss) from continuing and discontinued operations attributable to non-controlling interests. [Refer: Profit (loss); Non-controlling interests] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2025-01-01 -Paragraph 12 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_12_e&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 81B -Subparagraph a -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_81B_a_i&doctype=Standard -URIDate 2025-03-27 + Details
Name: | ifrs-full_ProfitLossAttributableToNoncontrollingInterests
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of equity in a subsidiary not attributable, directly or indirectly, to a parent excluding the profit (loss) attributable to non-controlling interests for the current period. + References No definition available. + Details
Name: | san_NonControllingInterestsExcludingProfitLossAttributableToNonControllingInterests
Namespace Prefix: | san_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=san_SantanderBankPolskaSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=san_GrupoPSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=san_BancoSantanderChileMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=san_BancoSantanderBrasilSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=san_OtherCompaniesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=san_SantanderUKPLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ComponentsOfEquityAxis=san_FixedRateResetPerpetualATOneCapitalSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |