XML 170 R148.htm IDEA: XBRL DOCUMENT
v3.25.4

Investments in associates and joint ventures (Details 3) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Notes and other explanatory information [abstract] |  |
Jointly Controlled by Banco Santander - Total assets | R$ 15,623,855 | R$ 14,064,120
Jointly Controlled by Banco Santander -Total liabilities | 15,303,124 | 13,920,211
Total Income Jointly Controlled By Banco Santander | 322,033 | 212,081
Banco RCI Brasil S.A. - Total assets | 14,406,307 | 12,806,942
Banco RCI Brasil S.A. -Total liabilities | 14,060,196 | 12,663,035
Total Income Banco RCI Brasil S.A | 346,111 | 239,839
Estruturadora Brasileira de Projetos S.A. - EBP - Total assets | 3,889 | 1,784
Estruturadora Brasileira de Projetos S.A. - EBP -Total liabilities | 3,876 | 1,783
Total Income Estruturadora Brasileira De Projetos Sa Ebp | 369 | 1
Gestora de Inteligencia de Credito - Total assets | 1,213,660 | 1,255,393
Gestora de Inteligencia de Credito -Total liabilities | 1,239,052 | 1,255,393
Total Income Gestora De Inteligncia De Crdito | (24,447) | (27,759)
Jointly Controlled by Santander Corretora de Seguros - Total assets | 3,169,143 | 3,003,077
Jointly Controlled by Santander Corretora de Seguros -Total liabilities | 3,184,741 | 3,034,120
Total Income Jointly Controlled by Santander Corretora de Seguros | (45,238) | (31,043)
Tecnologia Bancaria S.A. - TECBAN - Total assets | 2,836,231 | 2,752,924
Tecnologia Bancaria S.A. - TECBAN -Total liabilities | 2,797,987 | 2,755,450
Total Income Tecnologia Bancaria S.A. - TECBAN | 8,603 | (2,526)
Hyundai Corretora de Seguros Ltda. - Total assets | 11,069 | 7,152
Hyundai Corretora de Seguros Ltda. -Total liabilities | 8,676 | 5,753
Total Income Hyundai Corretora de Seguros Ltda | 2,393 | 1,399
CSD Central de Servicos de Registro e Deposito aos Mercados Financeiro e de Capitais S.A -- Total assets | 279,750 | 211,773
CSD Central de Servicos de Registro e Deposito aos Mercados Financeiro e de Capitais S.A -Total liabilities | 295,046 | 211,538
Total Income CSD Central de Servicos de Registro e Deposito aos Mercados Financeiro e de Capitais S.A | (15,295) | 235
BIOMAS Servicos Ambientais, Restauracao e Carbono S.A. -Total assets | 42,093 | 31,228
BIOMAS Servicos Ambientais, Restauracao e Carbono S.A.-Total liabilities | 83,032 | 61,379
Total Income BIOMAS Servicos Ambientais, Restauracao e Carbono S.A. | (40,939) | (30,151)
Significant Influence of Banco Santander - Total assets | 11,271,921 | 11,442,660
Significant Influence of Banco Santander -Total liabilities | 9,932,267 | 10,558,737
Total Income Significant Influence of Banco Santander | 1,260,785 | 883,923
Nuclea S.A. - Total assets | 2,164,151 | 2,779,787
Nuclea S.A. -Total liabilities | 1,524,528 | 2,212,634
Total Income Nuclea S.A. | 633,822 | 567,153
Pluxee Beneficios Brasil S.A. - Total assets | 8,419,988 |
Pluxee Beneficios Brasil S.A. -Total liabilities | 7,792,935 |
Total Income Pluxee Beneficios Brasil S.A. | 553,985 |
Santander Auto S.A. - Total assets | 687,782 | 422,852
Santander Auto S.A. -Total liabilities | 614,804 | 371,276
Total Income Santander Auto Sa | 72,978 | 51,576
Significant Influence of Corretora de Seguros -Total assets | 846,681 | 634,889
Significant Influence of Corretora de Seguros -Total liabilities | 614,883 | 510,446
Total Income Significant Influence of Corretora de Seguros | 226,950 | 124,443
Webmotors S.A. - Total assets | 846,681 | 634,889
Webmotors S.A. -Total liabilities | 614,883 | 510,446
Total Income Webmotors Sa | 226,950 | 124,443
Total assets | 30,911,600 | 29,144,746
Total liabilities | 29,035,015 | 28,023,514
Total Income | R$ 1,764,530 | R$ 1,189,405

X
- References No definition available. + Details
Name: | bsbr_TotalAssetsBancoRciBrasilSa
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalAssetsBiomasServicosAmbientaisRestauracaoECarbonoSA
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalAssetsCsdCentralDeServicosDeRegistroEDepositoAosMercadosFinanceiroEDeCapitaisSa
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalAssetsEstruturadoraBrasileiraDeProjetosSaEbp
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalAssetsGestoraDeIntelignciaDeCrdito
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalAssetsHyundaiCorretoraDeSegurosLtda
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalAssetsJointlyControlledByBancoSantander
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalAssetsJointlyControlledBySantanderCorretoraDeSeguros
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalAssetsNucleaSA
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalAssetsPluxeeBenefciosBrasilSA
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalAssetsSantanderAutoSa
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalAssetsSignificantInfluenceOfBancoSantander
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalAssetsSignificantInfluenceOfCorretoraDeSeguros
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalAssetsTecnologiaBancriaSaTecban
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalAssetsTotal
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalAssetsWebmotorsSa
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalIncomeBancoRciBrasilSa
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsbr_TotalIncomeBiomasServicosAmbientaisRestauracaoECarbonoSA
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsbr_TotalIncomeCsdCentralDeServicosDeRegistroEDepositoAosMercadosFinanceiroEDeCapitaisSa
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsbr_TotalIncomeEstruturadoraBrasileiraDeProjetosSaEbp
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsbr_TotalIncomeGestoraDeIntelignciaDeCrdito
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsbr_TotalIncomeHyundaiCorretoraDeSegurosLtda
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsbr_TotalIncomeJointlyControlledByBancoSantander
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsbr_TotalIncomeJointlyControlledBySantanderCorretoraDeSeguros
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsbr_TotalIncomeNucleaSA
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsbr_TotalIncomePluxeeBeneficiosBrasilSA
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsbr_TotalIncomeSantanderAutoSa
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsbr_TotalIncomeSignificantInfluenceOfBancoSantander
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsbr_TotalIncomeSignificantInfluenceOfCorretoraDeSeguros
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsbr_TotalIncomeTecnologiaBancriaSaTecban
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsbr_TotalIncomeTotal
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsbr_TotalIncomeWebmotorsSa
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | bsbr_TotalLiabilitiesBancoRciBrasilSa
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalLiabilitiesBiomasServicosAmbientaisRestauracaoECarbonoSA
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalLiabilitiesCsdCentralDeServicosDeRegistroEDepositoAosMercadosFinanceiroEDeCapitaisSa
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalLiabilitiesEstruturadoraBrasileiraDeProjetosSaEbp
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalLiabilitiesGestoraDeIntelignciaDeCrdito
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalLiabilitiesHyundaiCorretoraDeSegurosLtda
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalLiabilitiesJointlyControlledByBancoSantander
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalLiabilitiesJointlyControlledBySantanderCorretoraDeSeguros
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalLiabilitiesNucleaSA
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalLiabilitiesPluxeeBeneficiosBrasilSA
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalLiabilitiesSantanderAutoSa
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalLiabilitiesSignificantInfluenceOfBancoSantander
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalLiabilitiesSignificantInfluenceOfCorretoraDeSeguros
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalLiabilitiesTecnologiaBancriaSaTecban
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalLiabilitiesTotal
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | bsbr_TotalLiabilitiesWebmotorsSa
Namespace Prefix: | bsbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | ifrs-full_NotesAndOtherExplanatoryInformationAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration