XML 133 R111.htm IDEA: XBRL DOCUMENT v3.25.4

Basis for consolidation (Details) shares in Thousands, R$ in Thousands	12 Months Ended
	Dec. 31, 2025 BRL (R$) shares
Banco Santander Brasil S A [Member] | Santander Sociedade De Credito Financiamento E Investimento S A New Name Of Aymore Credito Financiamento E Investimento S A [Member]
IfrsStatementLineItems [Line Items]
Activity	Financial
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 50,159
Direct participation	100.00%
Proportion of ownership interest in subsidiary	100.00%
Banco Santander Brasil S A [Member] | Esfera Fidelidade S A [Member]
IfrsStatementLineItems [Line Items]
Activity	Services Provision
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 10,001
Direct participation	100.00%
Proportion of ownership interest in subsidiary	100.00%
Banco Santander Brasil S A [Member] | Return Capital Asset And Holding Management S A [Member]
IfrsStatementLineItems [Line Items]
Activity	Debt Collection and Credit Recovery Management
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 486,010
Direct participation	100.00%
Proportion of ownership interest in subsidiary	100.00%
Banco Santander Brasil S A [Member] | Em Dia Servicos Especializados Em Cobranca Ltda [Member]
IfrsStatementLineItems [Line Items]
Activity	Debt Collection and Credit Recovery Management
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 257,306
Direct participation	100.00%
Proportion of ownership interest in subsidiary	100.00%
Banco Santander Brasil S A [Member] | Rojo Entretenimento S A [Member]
IfrsStatementLineItems [Line Items]
Activity	Service Provision
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 7,417
Direct participation	94.60%
Proportion of ownership interest in subsidiary	94.60%
Banco Santander Brasil S A [Member] | Sanb Promotora De Vendas E Cobranca Ltda [Member]
IfrsStatementLineItems [Line Items]
Activity	Provision of Digital Media Services
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 71,181
Direct participation	100.00%
Proportion of ownership interest in subsidiary	100.00%
Banco Santander Brasil S A [Member] | Sancap Investimentos E Participacoes S A [Member]
IfrsStatementLineItems [Line Items]
Activity	Holding
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 23,538,159
Direct participation	100.00%
Proportion of ownership interest in subsidiary	100.00%
Banco Santander Brasil S A [Member] | Santander Brasil Administradora De Consorcio Ltda [Member]
IfrsStatementLineItems [Line Items]
Activity	Consortium
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 372,186
Direct participation	100.00%
Proportion of ownership interest in subsidiary	100.00%
Banco Santander Brasil S A [Member] | Santander Corretora De Cambio E Valores Mobiliarios S A [Member]
IfrsStatementLineItems [Line Items]
Activity	Securities Brokerage
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 14,067,640
Direct participation	99.99%
Proportion of ownership interest in subsidiary	99.99%
Preferred Shares | shares	14,067,640
Banco Santander Brasil S A [Member] | Santander Corretora De Seguros Investimentos Servicos S A Santander Corretora De Seguros [Member]
IfrsStatementLineItems [Line Items]
Activity	Insurance Broker
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 7,184
Direct participation	100.00%
Proportion of ownership interest in subsidiary	100.00%
Banco Santander Brasil S A [Member] | Santander Holding Imobiliaria S A [Member]
IfrsStatementLineItems [Line Items]
Activity	Others
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 558,601
Direct participation	100.00%
Proportion of ownership interest in subsidiary	100.00%
Banco Santander Brasil S A [Member] | Santander Leasing S A Arrendamento Mercantil [Member]
IfrsStatementLineItems [Line Items]
Activity	Leasing
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 164
Direct participation	100.00%
Proportion of ownership interest in subsidiary	100.00%
Banco Santander Brasil S A [Member] | F 1 R S T Tecnologia [Member]
IfrsStatementLineItems [Line Items]
Activity	Provision of Technology Services
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 241,941
Direct participation	100.00%
Proportion of ownership interest in subsidiary	100.00%
Banco Santander Brasil S A [Member] | Pulse Client Expert Ltda Nova Denominacao Social Da S X Negocios [Member]
IfrsStatementLineItems [Line Items]
Activity	Provision of Call Center Services
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 75,050
Direct participation	100.00%
Proportion of ownership interest in subsidiary	100.00%
Banco Santander Brasil S A [Member] | Tools Solucoes E Servicos Compartilhados Ltda [Member]
IfrsStatementLineItems [Line Items]
Activity	Services Provision
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 192,000
Direct participation	100.00%
Proportion of ownership interest in subsidiary	100.00%
Subsidiaries Of Santander Sociedade De Credito Financiamento E Investimento S A New Name Of Aymore Credito Financiamento E Investimento S A [Member] | Banco Hyundai Capital Brasil S A [Member]
IfrsStatementLineItems [Line Items]
Activity	Bank
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 150,000
Direct participation	50.00%
Proportion of ownership interest in subsidiary	50.00%
Subsidiaries Of Santander Sociedade De Credito Financiamento E Investimento S A New Name Of Aymore Credito Financiamento E Investimento S A [Member] | Solutions 4 Fleet [Member]
IfrsStatementLineItems [Line Items]
Activity	Tecnology
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 500,411
Direct participation	100.00%
Proportion of ownership interest in subsidiary	100.00%
Controlled By Santander Leasing [Member] | Bank Bandepe S A [Member]
IfrsStatementLineItems [Line Items]
Activity	Bank
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 3,589
Direct participation	100.00%
Proportion of ownership interest in subsidiary	100.00%
Controlled By Santander Leasing [Member] | Santander Distribuidora De Titulos E Valores Mobiliarios S A [Member]
IfrsStatementLineItems [Line Items]
Activity	Distributor
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 461
Direct participation	100.00%
Proportion of ownership interest in subsidiary	100.00%
Subsidiaries Of Sancap Investimentos E Participacoes S A [Member] | Santander Capitalizacao S A [Member]
IfrsStatementLineItems [Line Items]
Activity	Capitalization
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 64,615
Direct participation	100.00%
Proportion of ownership interest in subsidiary	100.00%
Subsidiaries Of Sancap Investimentos E Participacoes S A [Member] | Evidence Previdencia S A [Member]
IfrsStatementLineItems [Line Items]
Activity	Pension
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 42,819,564
Direct participation	100.00%
Proportion of ownership interest in subsidiary	100.00%
Santander Corretora De Seguros [Member] | America Gestao Servicos Em Energia S A [Member]
IfrsStatementLineItems [Line Items]
Activity	Energy
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 653
Direct participation	70.00%
Proportion of ownership interest in subsidiary	70.00%
Santander Corretora De Seguros [Member] | Fit Economia De Energia S A [Member]
IfrsStatementLineItems [Line Items]
Activity	Energy
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 10,400
Direct participation	65.00%
Proportion of ownership interest in subsidiary	65.00%
Santander Corretora De Titulos De Valores Mobiliarios Ltda [Member] | Toro Corretorade Titulose Valores Mobiliarios Ltda [Member]
IfrsStatementLineItems [Line Items]
Activity	Securities Brokerage
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 21,559
Direct participation	48.00%
Proportion of ownership interest in subsidiary	48.00%
Santander Corretora De Titulos De Valores Mobiliarios Ltda [Member] | Santander Investimentos Sociedade Prestadora De Servicos De Ativos Virtuais S A [Member]
IfrsStatementLineItems [Line Items]
Activity	Investments
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 44,101
Direct participation	13.23%
Proportion of ownership interest in subsidiary	13.23%
Toro Corretora De Titulos De Valores Mobiliarios Ltda [Member] | Santander Investimentos Sociedade Prestadora De Servicos De Ativos Virtuais S A [Member]
IfrsStatementLineItems [Line Items]
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 289,362
Direct participation	86.77%
Proportion of ownership interest in subsidiary	86.77%
Toro Corretora De Titulos De Valores Mobiliarios Ltda [Member] | Toro Investimentos S A [Member]
IfrsStatementLineItems [Line Items]
Activity	Investments
Jointly Controlled Companies By Sancap [Member] | Santander Auto S A [Member]
IfrsStatementLineItems [Line Items]
Activity	Insurance company
Quantity of Shares or Quotas Owned - Common Shares and Quotas	R$ 22,452
Direct participation	50.00%
Proportion of ownership interest in subsidiary	50.00%

X

- References

No definition available.

+ Details

Name:	bsbr_DirectParticipation
Namespace Prefix:	bsbr_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	bsbr_IfrsStatementLineItems
Namespace Prefix:	bsbr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	bsbr_QuantityOfSharesOrQuotasOwnedCommonSharesAndQuotas
Namespace Prefix:	bsbr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	bsbr_QuantityOfSharesOrQuotasOwnedPreferredShares
Namespace Prefix:	bsbr_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The description of the business or businesses that the acquirer obtains control of in a business combination. [Refer: Total for all business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2024-01-01
-Paragraph B64
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_B64_a&doctype=Appendix&subtype=B
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_DescriptionOfAcquiree
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Total for all subsidiaries [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2024-01-01
-Paragraph 17
-Subparagraph b
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2024-en-r&anchor=para_17_b_iii&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2024-01-01
-Paragraph 16
-Subparagraph b
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2024-en-r&anchor=para_16_b_iii&doctype=Standard
-URIDate 2024-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2024-01-01
-Paragraph 19B
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_19B_c&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_ProportionOfOwnershipInterestInSubsidiary
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	bsbr_ControllingEntityAxis=bsbr_BancoSantanderBrasilSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_SantanderSociedadeDeCreditoFinanciamentoEInvestimentoSANewNameOfAymoreCreditoFinanciamentoEInvestimentoSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_EsferaFidelidadeSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_ReturnCapitalAssetAndHoldingManagementSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_EmDiaServicosEspecializadosEmCobrancaLtdaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_RojoEntretenimentoSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_SanbPromotoraDeVendasECobrancaLtdaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_SancapInvestimentosEParticipacoesSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_SantanderBrasilAdministradoraDeConsorcioLtdaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_SantanderCorretoraDeCambioEValoresMobiliariosSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_SantanderCorretoraDeSegurosInvestimentosServicosSASantanderCorretoraDeSegurosMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_SantanderHoldingImobiliariaSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_SantanderLeasingSAArrendamentoMercantilMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_F1RSTTecnologiaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_PulseClientExpertLtdaNovaDenominacaoSocialDaSXNegociosMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_ToolsSolucoesEServicosCompartilhadosLtdaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	bsbr_ControllingEntityAxis=bsbr_SubsidiariesOfSantanderSociedadeDeCreditoFinanciamentoEInvestimentoSANewNameOfAymoreCreditoFinanciamentoEInvestimentoSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_BancoHyundaiCapitalBrasilSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_Solutions4FleetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	bsbr_ControllingEntityAxis=bsbr_ControlledBySantanderLeasingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_BankBandepeSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_SantanderDistribuidoraDeTitulosEValoresMobiliariosSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	bsbr_ControllingEntityAxis=bsbr_SubsidiariesOfSancapInvestimentosEParticipacoesSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_SantanderCapitalizacaoSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_EvidencePrevidenciaSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	bsbr_ControllingEntityAxis=bsbr_SantanderCorretoraDeSegurosMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_AmericaGestaoServicosEmEnergiaSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_FitEconomiaDeEnergiaSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	bsbr_ControllingEntityAxis=bsbr_SantanderCorretoraDeTitulosDeValoresMobiliariosLtdaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_ToroCorretoradeTituloseValoresMobiliariosLtdaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_SantanderInvestimentosSociedadePrestadoraDeServicosDeAtivosVirtuaisSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	bsbr_ControllingEntityAxis=bsbr_ToroCorretoraDeTitulosDeValoresMobiliariosLtdaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_ToroInvestimentosSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	bsbr_ControllingEntityAxis=bsbr_JointlyControlledCompaniesBySancapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=bsbr_SantanderAutoSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: