3.20.4 html 1738 1655 1 true 384 0 false 5 false false R1.htm 00000001 - Document - Cover Sheet http://santander.com.br/role/Cover Cover Cover 1 false false R2.htm 00000002 - Statement - CONSOLIDATED BALANCE SHEETS Sheet http://santander.com.br/role/ConsolidatedBalanceSheets CONSOLIDATED BALANCE SHEETS Statements 2 false false R3.htm 00000003 - Statement - CONSOLIDATED INCOME STATEMENTS Sheet http://santander.com.br/role/ConsolidatedIncomeStatements CONSOLIDATED INCOME STATEMENTS Statements 3 false false R4.htm 00000004 - Statement - CONSOLIDATED STATEMENT OF OTHER COMPREHENSIVE INCOME Sheet http://santander.com.br/role/ConsolidatedStatementOfOtherComprehensiveIncome CONSOLIDATED STATEMENT OF OTHER COMPREHENSIVE INCOME Statements 4 false false R5.htm 00000005 - Statement - CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY Sheet http://santander.com.br/role/ConsolidatedStatementOfChangesInStockholdersEquity CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY Statements 5 false false R6.htm 00000006 - Statement - CONSOLIDATED STATEMENT OF CASH FLOWS Sheet http://santander.com.br/role/ConsolidatedStatementOfCashFlows CONSOLIDATED STATEMENT OF CASH FLOWS Statements 6 false false R7.htm 00000007 - Disclosure - 1. Introduction, basis of presentation of the consolidated financial statements and other information Sheet http://santander.com.br/role/IntroductionBasisOfPresentationOfConsolidatedFinancialStatementsAndOtherInformation 1. Introduction, basis of presentation of the consolidated financial statements and other information Notes 7 false false R8.htm 00000008 - Disclosure - 2. Accounting policies and method of measurement Sheet http://santander.com.br/role/AccountingPoliciesAndMethodOfMeasurement 2. Accounting policies and method of measurement Notes 8 false false R9.htm 00000009 - Disclosure - 3. Basis of consolidation Sheet http://santander.com.br/role/BasisOfConsolidation 3. Basis of consolidation Notes 9 false false R10.htm 00000010 - Disclosure - 4. Cash and balances with the Brazilian Central Bank Sheet http://santander.com.br/role/CashAndBalancesWithBrazilianCentralBank 4. Cash and balances with the Brazilian Central Bank Notes 10 false false R11.htm 00000011 - Disclosure - 5. Loans and amounts due from credit institutions Sheet http://santander.com.br/role/LoansAndAmountsDueFromCreditInstitutions 5. Loans and amounts due from credit institutions Notes 11 false false R12.htm 00000012 - Disclosure - 6. Debt instruments Sheet http://santander.com.br/role/DebtInstruments 6. Debt instruments Notes 12 false false R13.htm 00000013 - Disclosure - 7. Equity instruments Sheet http://santander.com.br/role/EquityInstruments 7. Equity instruments Notes 13 false false R14.htm 00000014 - Disclosure - 8. Derivative financial instruments and Short positions Sheet http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositions 8. Derivative financial instruments and Short positions Notes 14 false false R15.htm 00000015 - Disclosure - 9. Loans and advances to clients Sheet http://santander.com.br/role/LoansAndAdvancesToClients 9. Loans and advances to clients Notes 15 false false R16.htm 00000016 - Disclosure - 10. Non-current assets held for sale Sheet http://santander.com.br/role/Non-currentAssetsHeldForSale 10. Non-current assets held for sale Notes 16 false false R17.htm 00000017 - Disclosure - 11. Investments in associates and joint ventures Sheet http://santander.com.br/role/InvestmentsInAssociatesAndJointVentures 11. Investments in associates and joint ventures Notes 17 false false R18.htm 00000018 - Disclosure - 12. Tangible assets Sheet http://santander.com.br/role/TangibleAssets 12. Tangible assets Notes 18 false false R19.htm 00000019 - Disclosure - 13. Intangible assets - Goodwill Sheet http://santander.com.br/role/IntangibleAssets-Goodwill 13. Intangible assets - Goodwill Notes 19 false false R20.htm 00000020 - Disclosure - 14. Intangible assets - Other intangible assets Sheet http://santander.com.br/role/IntangibleAssets-OtherIntangibleAssets 14. Intangible assets - Other intangible assets Notes 20 false false R21.htm 00000021 - Disclosure - 15. Other assets Sheet http://santander.com.br/role/OtherAssets 15. Other assets Notes 21 false false R22.htm 00000022 - Disclosure - 16. Deposits from the Brazilian Central Bank and Deposits from credit institutions Sheet http://santander.com.br/role/DepositsFromBrazilianCentralBankAndDepositsFromCreditInstitutions 16. Deposits from the Brazilian Central Bank and Deposits from credit institutions Notes 22 false false R23.htm 00000023 - Disclosure - 17. Client deposits Sheet http://santander.com.br/role/ClientDeposits 17. Client deposits Notes 23 false false R24.htm 00000024 - Disclosure - 18. Marketable debt securities Sheet http://santander.com.br/role/MarketableDebtSecurities 18. Marketable debt securities Notes 24 false false R25.htm 00000025 - Disclosure - 19. Debt Instruments Eligible to Compose Capital Sheet http://santander.com.br/role/DebtInstrumentsEligibleToComposeCapital 19. Debt Instruments Eligible to Compose Capital Notes 25 false false R26.htm 00000026 - Disclosure - 20. Other financial liabilities Sheet http://santander.com.br/role/OtherFinancialLiabilities 20. Other financial liabilities Notes 26 false false R27.htm 00000027 - Disclosure - 21. Provisions for pensions and similar obligations Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligations 21. Provisions for pensions and similar obligations Notes 27 false false R28.htm 00000028 - Disclosure - 22. Provisions for judicial and administrative proceedings, commitments and other provisions Sheet http://santander.com.br/role/ProvisionsForJudicialAndAdministrativeProceedingsCommitmentsAndOtherProvisions 22. Provisions for judicial and administrative proceedings, commitments and other provisions Notes 28 false false R29.htm 00000029 - Disclosure - 23. Tax assets and liabilities Sheet http://santander.com.br/role/TaxAssetsAndLiabilities 23. Tax assets and liabilities Notes 29 false false R30.htm 00000030 - Disclosure - 24. Other liabilities Sheet http://santander.com.br/role/OtherLiabilities 24. Other liabilities Notes 30 false false R31.htm 00000031 - Disclosure - 25. Other Comprehensive Income Sheet http://santander.com.br/role/OtherComprehensiveIncome 25. Other Comprehensive Income Notes 31 false false R32.htm 00000032 - Disclosure - 26. Non-controlling interests Sheet http://santander.com.br/role/Non-controllingInterests 26. Non-controlling interests Notes 32 false false R33.htm 00000033 - Disclosure - 27. Shareholders' equity Sheet http://santander.com.br/role/ShareholdersEquity 27. Shareholders' equity Notes 33 false false R34.htm 00000034 - Disclosure - 28. Earnings per share Sheet http://santander.com.br/role/EarningsPerShare 28. Earnings per share Notes 34 false false R35.htm 00000035 - Disclosure - 29. Fair value of financial assets and liabilities Sheet http://santander.com.br/role/FairValueOfFinancialAssetsAndLiabilities 29. Fair value of financial assets and liabilities Notes 35 false false R36.htm 00000036 - Disclosure - 30. Operational Ratios Sheet http://santander.com.br/role/OperationalRatios 30. Operational Ratios Notes 36 false false R37.htm 00000037 - Disclosure - 31. Interest and similar income Sheet http://santander.com.br/role/InterestAndSimilarIncome 31. Interest and similar income Notes 37 false false R38.htm 00000038 - Disclosure - 32. Interest expense and similar charges Sheet http://santander.com.br/role/InterestExpenseAndSimilarCharges 32. Interest expense and similar charges Notes 38 false false R39.htm 00000039 - Disclosure - 33. Income from equity instruments Sheet http://santander.com.br/role/IncomeFromEquityInstruments 33. Income from equity instruments Notes 39 false false R40.htm 00000040 - Disclosure - 34. Fee and commission income Sheet http://santander.com.br/role/FeeAndCommissionIncome 34. Fee and commission income Notes 40 false false R41.htm 00000041 - Disclosure - 35. Fee and commission expense Sheet http://santander.com.br/role/FeeAndCommissionExpense 35. Fee and commission expense Notes 41 false false R42.htm 00000042 - Disclosure - 36. Gains or losses on financial assets and liabilities Sheet http://santander.com.br/role/GainsOrLossesOnFinancialAssetsAndLiabilities 36. Gains or losses on financial assets and liabilities Notes 42 false false R43.htm 00000043 - Disclosure - 37. Exchange differences (net) Sheet http://santander.com.br/role/ExchangeDifferencesNet 37. Exchange differences (net) Notes 43 false false R44.htm 00000044 - Disclosure - 38. Other operating income and expenses Sheet http://santander.com.br/role/OtherOperatingIncomeAndExpenses 38. Other operating income and expenses Notes 44 false false R45.htm 00000045 - Disclosure - 39. Personnel expenses Sheet http://santander.com.br/role/PersonnelExpenses 39. Personnel expenses Notes 45 false false R46.htm 00000046 - Disclosure - 40. Other general administrative expenses Sheet http://santander.com.br/role/OtherGeneralAdministrativeExpenses 40. Other general administrative expenses Notes 46 false false R47.htm 00000047 - Disclosure - 41. Gains or losses on non financial assets and investments, net Sheet http://santander.com.br/role/GainsOrLossesOnNonFinancialAssetsAndInvestmentsNet 41. Gains or losses on non financial assets and investments, net Notes 47 false false R48.htm 00000048 - Disclosure - 42. Gains (losses) on disposal and expenses of non-current assets held for sale not classified as discontinued operations Sheet http://santander.com.br/role/GainsLossesOnDisposalAndExpensesOfNon-currentAssetsHeldForSaleNotClassifiedAsDiscontinuedOperations 42. Gains (losses) on disposal and expenses of non-current assets held for sale not classified as discontinued operations Notes 48 false false R49.htm 00000049 - Disclosure - 43. Other disclosures Sheet http://santander.com.br/role/OtherDisclosures 43. Other disclosures Notes 49 false false R50.htm 00000050 - Disclosure - 44. Business segment reporting Sheet http://santander.com.br/role/BusinessSegmentReporting 44. Business segment reporting Notes 50 false false R51.htm 00000051 - Disclosure - 45. Related party transactions Sheet http://santander.com.br/role/RelatedPartyTransactions 45. Related party transactions Notes 51 false false R52.htm 00000052 - Disclosure - 46. Risk management Sheet http://santander.com.br/role/RiskManagement 46. Risk management Notes 52 false false R53.htm 00000053 - Disclosure - 47. Subsequent Events Sheet http://santander.com.br/role/SubsequentEvents 47. Subsequent Events Notes 53 false false R54.htm 00000054 - Disclosure - APPENDIX I, II Sheet http://santander.com.br/role/AppendixIIi APPENDIX I, II Notes 54 false false R55.htm 00000055 - Disclosure - 2. Accounting policies and method of measurement (Policies) Sheet http://santander.com.br/role/AccountingPoliciesAndMethodOfMeasurementPolicies 2. Accounting policies and method of measurement (Policies) Policies http://santander.com.br/role/AccountingPoliciesAndMethodOfMeasurement 55 false false R56.htm 00000056 - Disclosure - 1. Introduction, basis of presentation of the consolidated financial statements and other information (Tables) Sheet http://santander.com.br/role/IntroductionBasisOfPresentationOfConsolidatedFinancialStatementsAndOtherInformationTables 1. Introduction, basis of presentation of the consolidated financial statements and other information (Tables) Tables http://santander.com.br/role/IntroductionBasisOfPresentationOfConsolidatedFinancialStatementsAndOtherInformation 56 false false R57.htm 00000057 - Disclosure - 2. Accounting policies and method of measurement (Tables) Sheet http://santander.com.br/role/AccountingPoliciesAndMethodOfMeasurementTables 2. Accounting policies and method of measurement (Tables) Tables http://santander.com.br/role/AccountingPoliciesAndMethodOfMeasurement 57 false false R58.htm 00000058 - Disclosure - 3. Basis of consolidation (Tables) Sheet http://santander.com.br/role/BasisOfConsolidationTables 3. Basis of consolidation (Tables) Tables http://santander.com.br/role/BasisOfConsolidation 58 false false R59.htm 00000059 - Disclosure - 4. Cash and balances with the Brazilian Central Bank (Tables) Sheet http://santander.com.br/role/CashAndBalancesWithBrazilianCentralBankTables 4. Cash and balances with the Brazilian Central Bank (Tables) Tables http://santander.com.br/role/CashAndBalancesWithBrazilianCentralBank 59 false false R60.htm 00000060 - Disclosure - 5. Loans and amounts due from credit institutions (Tables) Sheet http://santander.com.br/role/LoansAndAmountsDueFromCreditInstitutionsTables 5. Loans and amounts due from credit institutions (Tables) Tables http://santander.com.br/role/LoansAndAmountsDueFromCreditInstitutions 60 false false R61.htm 00000061 - Disclosure - 6. Debt instruments (Tables) Sheet http://santander.com.br/role/DebtInstrumentsTables 6. Debt instruments (Tables) Tables http://santander.com.br/role/DebtInstruments 61 false false R62.htm 00000062 - Disclosure - 7. Equity instruments (Tables) Sheet http://santander.com.br/role/EquityInstrumentsTables 7. Equity instruments (Tables) Tables http://santander.com.br/role/EquityInstruments 62 false false R63.htm 00000063 - Disclosure - 8. Derivative financial instruments and Short positions (Tables) Sheet http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsTables 8. Derivative financial instruments and Short positions (Tables) Tables http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositions 63 false false R64.htm 00000064 - Disclosure - 9. Loans and advances to clients (Tables) Sheet http://santander.com.br/role/LoansAndAdvancesToClientsTables 9. Loans and advances to clients (Tables) Tables http://santander.com.br/role/LoansAndAdvancesToClients 64 false false R65.htm 00000065 - Disclosure - 10. Non-current assets held for sale (Tables) Sheet http://santander.com.br/role/Non-currentAssetsHeldForSaleTables 10. Non-current assets held for sale (Tables) Tables http://santander.com.br/role/Non-currentAssetsHeldForSale 65 false false R66.htm 00000066 - Disclosure - 11. Investments in associates and joint ventures (Tables) Sheet http://santander.com.br/role/InvestmentsInAssociatesAndJointVenturesTables 11. Investments in associates and joint ventures (Tables) Tables http://santander.com.br/role/InvestmentsInAssociatesAndJointVentures 66 false false R67.htm 00000067 - Disclosure - 12. Tangible assets (Tables) Sheet http://santander.com.br/role/TangibleAssetsTables 12. Tangible assets (Tables) Tables http://santander.com.br/role/TangibleAssets 67 false false R68.htm 00000068 - Disclosure - 13. Intangible assets - Goodwill (Tables) Sheet http://santander.com.br/role/IntangibleAssets-GoodwillTables 13. Intangible assets - Goodwill (Tables) Tables http://santander.com.br/role/IntangibleAssets-Goodwill 68 false false R69.htm 00000069 - Disclosure - 14. Intangible assets - Other intangible assets (Tables) Sheet http://santander.com.br/role/IntangibleAssets-OtherIntangibleAssetsTables 14. Intangible assets - Other intangible assets (Tables) Tables http://santander.com.br/role/IntangibleAssets-OtherIntangibleAssets 69 false false R70.htm 00000070 - Disclosure - 15. Other assets (Tables) Sheet http://santander.com.br/role/OtherAssetsTables 15. Other assets (Tables) Tables http://santander.com.br/role/OtherAssets 70 false false R71.htm 00000071 - Disclosure - 16. Deposits from the Brazilian Central Bank and Deposits from credit institutions (Tables) Sheet http://santander.com.br/role/DepositsFromBrazilianCentralBankAndDepositsFromCreditInstitutionsTables 16. Deposits from the Brazilian Central Bank and Deposits from credit institutions (Tables) Tables http://santander.com.br/role/DepositsFromBrazilianCentralBankAndDepositsFromCreditInstitutions 71 false false R72.htm 00000072 - Disclosure - 17. Client deposits (Tables) Sheet http://santander.com.br/role/ClientDepositsTables 17. Client deposits (Tables) Tables http://santander.com.br/role/ClientDeposits 72 false false R73.htm 00000073 - Disclosure - 18. Marketable debt securities (Tables) Sheet http://santander.com.br/role/MarketableDebtSecuritiesTables 18. Marketable debt securities (Tables) Tables http://santander.com.br/role/MarketableDebtSecurities 73 false false R74.htm 00000074 - Disclosure - 19. Debt Instruments Eligible to Compose Capital (Tables) Sheet http://santander.com.br/role/DebtInstrumentsEligibleToComposeCapitalTables 19. Debt Instruments Eligible to Compose Capital (Tables) Tables http://santander.com.br/role/DebtInstrumentsEligibleToComposeCapital 74 false false R75.htm 00000075 - Disclosure - 20. Other financial liabilities (Tables) Sheet http://santander.com.br/role/OtherFinancialLiabilitiesTables 20. Other financial liabilities (Tables) Tables http://santander.com.br/role/OtherFinancialLiabilities 75 false false R76.htm 00000076 - Disclosure - 21. Provisions for pensions and similar obligations (Tables) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 21. Provisions for pensions and similar obligations (Tables) Tables http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligations 76 false false R77.htm 00000077 - Disclosure - 22. Provisions for judicial and administrative proceedings, commitments and other provisions (Tables) Sheet http://santander.com.br/role/ProvisionsForJudicialAndAdministrativeProceedingsCommitmentsAndOtherProvisionsTables 22. Provisions for judicial and administrative proceedings, commitments and other provisions (Tables) Tables http://santander.com.br/role/ProvisionsForJudicialAndAdministrativeProceedingsCommitmentsAndOtherProvisions 77 false false R78.htm 00000078 - Disclosure - 23. Tax assets and liabilities (Tables) Sheet http://santander.com.br/role/TaxAssetsAndLiabilitiesTables 23. Tax assets and liabilities (Tables) Tables http://santander.com.br/role/TaxAssetsAndLiabilities 78 false false R79.htm 00000079 - Disclosure - 24. Other liabilities (Tables) Sheet http://santander.com.br/role/OtherLiabilitiesTables 24. Other liabilities (Tables) Tables http://santander.com.br/role/OtherLiabilities 79 false false R80.htm 00000080 - Disclosure - 25. Other Comprehensive Income (Tables) Sheet http://santander.com.br/role/OtherComprehensiveIncomeTables 25. Other Comprehensive Income (Tables) Tables http://santander.com.br/role/OtherComprehensiveIncome 80 false false R81.htm 00000081 - Disclosure - 26. Non-controlling interests (Tables) Sheet http://santander.com.br/role/Non-controllingInterestsTables 26. Non-controlling interests (Tables) Tables http://santander.com.br/role/Non-controllingInterests 81 false false R82.htm 00000082 - Disclosure - 27. Shareholders' equity (Tables) Sheet http://santander.com.br/role/ShareholdersEquityTables 27. Shareholders' equity (Tables) Tables http://santander.com.br/role/ShareholdersEquity 82 false false R83.htm 00000083 - Disclosure - 28. Earnings per share (Tables) Sheet http://santander.com.br/role/EarningsPerShareTables 28. Earnings per share (Tables) Tables http://santander.com.br/role/EarningsPerShare 83 false false R84.htm 00000084 - Disclosure - 29. Fair value of financial assets and liabilities (Tables) Sheet http://santander.com.br/role/FairValueOfFinancialAssetsAndLiabilitiesTables 29. Fair value of financial assets and liabilities (Tables) Tables http://santander.com.br/role/FairValueOfFinancialAssetsAndLiabilities 84 false false R85.htm 00000085 - Disclosure - 30. Operational Ratios (Tables) Sheet http://santander.com.br/role/OperationalRatiosTables 30. Operational Ratios (Tables) Tables http://santander.com.br/role/OperationalRatios 85 false false R86.htm 00000086 - Disclosure - 31. Interest and similar income (Tables) Sheet http://santander.com.br/role/InterestAndSimilarIncomeTables 31. Interest and similar income (Tables) Tables http://santander.com.br/role/InterestAndSimilarIncome 86 false false R87.htm 00000087 - Disclosure - 32. Interest expense and similar charges (Tables) Sheet http://santander.com.br/role/InterestExpenseAndSimilarChargesTables 32. Interest expense and similar charges (Tables) Tables http://santander.com.br/role/InterestExpenseAndSimilarCharges 87 false false R88.htm 00000088 - Disclosure - 33. Income from equity instruments (Tables) Sheet http://santander.com.br/role/IncomeFromEquityInstrumentsTables 33. Income from equity instruments (Tables) Tables http://santander.com.br/role/IncomeFromEquityInstruments 88 false false R89.htm 00000089 - Disclosure - 34. Fee and commission income (Tables) Sheet http://santander.com.br/role/FeeAndCommissionIncomeTables 34. Fee and commission income (Tables) Tables http://santander.com.br/role/FeeAndCommissionIncome 89 false false R90.htm 00000090 - Disclosure - 35. Fee and commission expense (Tables) Sheet http://santander.com.br/role/FeeAndCommissionExpenseTables 35. Fee and commission expense (Tables) Tables http://santander.com.br/role/FeeAndCommissionExpense 90 false false R91.htm 00000091 - Disclosure - 36. Gains or losses on financial assets and liabilities (Tables) Sheet http://santander.com.br/role/GainsOrLossesOnFinancialAssetsAndLiabilitiesTables 36. Gains or losses on financial assets and liabilities (Tables) Tables http://santander.com.br/role/GainsOrLossesOnFinancialAssetsAndLiabilities 91 false false R92.htm 00000092 - Disclosure - 37. Exchange differences (net) (Tables) Sheet http://santander.com.br/role/ExchangeDifferencesNetTables 37. Exchange differences (net) (Tables) Tables http://santander.com.br/role/ExchangeDifferencesNet 92 false false R93.htm 00000093 - Disclosure - 38. Other operating income and expenses (Tables) Sheet http://santander.com.br/role/OtherOperatingIncomeAndExpensesTables 38. Other operating income and expenses (Tables) Tables http://santander.com.br/role/OtherOperatingIncomeAndExpenses 93 false false R94.htm 00000094 - Disclosure - 39. Personnel expenses (Tables) Sheet http://santander.com.br/role/PersonnelExpensesTables 39. Personnel expenses (Tables) Tables http://santander.com.br/role/PersonnelExpenses 94 false false R95.htm 00000095 - Disclosure - 40. Other general administrative expenses (Tables) Sheet http://santander.com.br/role/OtherGeneralAdministrativeExpensesTables 40. Other general administrative expenses (Tables) Tables http://santander.com.br/role/OtherGeneralAdministrativeExpenses 95 false false R96.htm 00000096 - Disclosure - 41. Gains or losses on non financial assets and investments, net (Tables) Sheet http://santander.com.br/role/GainsOrLossesOnNonFinancialAssetsAndInvestmentsNetTables 41. Gains or losses on non financial assets and investments, net (Tables) Tables http://santander.com.br/role/GainsOrLossesOnNonFinancialAssetsAndInvestmentsNet 96 false false R97.htm 00000097 - Disclosure - 43. Other disclosures (Tables) Sheet http://santander.com.br/role/OtherDisclosuresTables 43. Other disclosures (Tables) Tables http://santander.com.br/role/OtherDisclosures 97 false false R98.htm 00000098 - Disclosure - 44. Business segment reporting (Tables) Sheet http://santander.com.br/role/BusinessSegmentReportingTables 44. Business segment reporting (Tables) Tables http://santander.com.br/role/BusinessSegmentReporting 98 false false R99.htm 00000099 - Disclosure - 45. Related party transactions (Tables) Sheet http://santander.com.br/role/RelatedPartyTransactionsTables 45. Related party transactions (Tables) Tables http://santander.com.br/role/RelatedPartyTransactions 99 false false R100.htm 00000100 - Disclosure - 46. Risk management (Tables) Sheet http://santander.com.br/role/RiskManagementTables 46. Risk management (Tables) Tables http://santander.com.br/role/RiskManagement 100 false false R101.htm 00000101 - Disclosure - APPENDIX I, II (Tables) Sheet http://santander.com.br/role/AppendixIIiTables APPENDIX I, II (Tables) Tables http://santander.com.br/role/AppendixIIi 101 false false R102.htm 00000102 - Disclosure - 1. Introduction, basis of presentation of the consolidated financial statements and other information (Details 1) Sheet http://santander.com.br/role/IntroductionBasisOfPresentationOfConsolidatedFinancialStatementsAndOtherInformationDetails1 1. Introduction, basis of presentation of the consolidated financial statements and other information (Details 1) Details http://santander.com.br/role/IntroductionBasisOfPresentationOfConsolidatedFinancialStatementsAndOtherInformationTables 102 false false R103.htm 00000103 - Disclosure - 2. Accounting policies and method of measurement (Details 1) Sheet http://santander.com.br/role/AccountingPoliciesAndMethodOfMeasurementDetails1 2. Accounting policies and method of measurement (Details 1) Details http://santander.com.br/role/AccountingPoliciesAndMethodOfMeasurementTables 103 false false R104.htm 00000104 - Disclosure - 2. Accounting policies and method of measurement (Details 2) Sheet http://santander.com.br/role/AccountingPoliciesAndMethodOfMeasurementDetails2 2. Accounting policies and method of measurement (Details 2) Details http://santander.com.br/role/AccountingPoliciesAndMethodOfMeasurementTables 104 false false R105.htm 00000105 - Disclosure - 2. Accounting policies and method of measurement (Details 3) Sheet http://santander.com.br/role/AccountingPoliciesAndMethodOfMeasurementDetails3 2. Accounting policies and method of measurement (Details 3) Details http://santander.com.br/role/AccountingPoliciesAndMethodOfMeasurementTables 105 false false R106.htm 00000106 - Disclosure - 2. Accounting policies and method of measurement (Details Text) Sheet http://santander.com.br/role/AccountingPoliciesAndMethodOfMeasurementDetailsText 2. Accounting policies and method of measurement (Details Text) Details http://santander.com.br/role/AccountingPoliciesAndMethodOfMeasurementTables 106 false false R107.htm 00000107 - Disclosure - 3. Basis of consolidation (Details 1) Sheet http://santander.com.br/role/BasisOfConsolidationDetails1 3. Basis of consolidation (Details 1) Details http://santander.com.br/role/BasisOfConsolidationTables 107 false false R108.htm 00000108 - Disclosure - 4. Cash and balances with the Brazilian Central Bank (Details 1) Sheet http://santander.com.br/role/CashAndBalancesWithBrazilianCentralBankDetails1 4. Cash and balances with the Brazilian Central Bank (Details 1) Details http://santander.com.br/role/CashAndBalancesWithBrazilianCentralBankTables 108 false false R109.htm 00000109 - Disclosure - 5. Loans and amounts due from credit institutions (Details 1) Sheet http://santander.com.br/role/LoansAndAmountsDueFromCreditInstitutionsDetails1 5. Loans and amounts due from credit institutions (Details 1) Details http://santander.com.br/role/LoansAndAmountsDueFromCreditInstitutionsTables 109 false false R110.htm 00000110 - Disclosure - 5. Loans and amounts due from credit institutions (Details 2) Sheet http://santander.com.br/role/LoansAndAmountsDueFromCreditInstitutionsDetails2 5. Loans and amounts due from credit institutions (Details 2) Details http://santander.com.br/role/LoansAndAmountsDueFromCreditInstitutionsTables 110 false false R111.htm 00000111 - Disclosure - 5. Loans and amounts due from credit institutions (Details 3) Sheet http://santander.com.br/role/LoansAndAmountsDueFromCreditInstitutionsDetails3 5. Loans and amounts due from credit institutions (Details 3) Details http://santander.com.br/role/LoansAndAmountsDueFromCreditInstitutionsTables 111 false false R112.htm 00000112 - Disclosure - 6. Debt instruments (Details 1) Sheet http://santander.com.br/role/DebtInstrumentsDetails1 6. Debt instruments (Details 1) Details http://santander.com.br/role/DebtInstrumentsTables 112 false false R113.htm 00000113 - Disclosure - 6. Debt instruments (Details 2) Sheet http://santander.com.br/role/DebtInstrumentsDetails2 6. Debt instruments (Details 2) Details http://santander.com.br/role/DebtInstrumentsTables 113 false false R114.htm 00000114 - Disclosure - 6. Debt instruments (Details 3) Sheet http://santander.com.br/role/DebtInstrumentsDetails3 6. Debt instruments (Details 3) Details http://santander.com.br/role/DebtInstrumentsTables 114 false false R115.htm 00000115 - Disclosure - 7. Equity instruments (Details 1) Sheet http://santander.com.br/role/EquityInstrumentsDetails1 7. Equity instruments (Details 1) Details http://santander.com.br/role/EquityInstrumentsTables 115 false false R116.htm 00000116 - Disclosure - 7. Equity instruments (Details 2) Sheet http://santander.com.br/role/EquityInstrumentsDetails2 7. Equity instruments (Details 2) Details http://santander.com.br/role/EquityInstrumentsTables 116 false false R117.htm 00000117 - Disclosure - 7. Equity instruments (Details 3) Sheet http://santander.com.br/role/EquityInstrumentsDetails3 7. Equity instruments (Details 3) Details http://santander.com.br/role/EquityInstrumentsTables 117 false false R118.htm 00000118 - Disclosure - 7. Equity instruments (Details 4) Sheet http://santander.com.br/role/EquityInstrumentsDetails4 7. Equity instruments (Details 4) Details http://santander.com.br/role/EquityInstrumentsTables 118 false false R119.htm 00000119 - Disclosure - 8. Derivative financial instruments and Short positions (Details 1) Sheet http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsDetails1 8. Derivative financial instruments and Short positions (Details 1) Details http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsTables 119 false false R120.htm 00000120 - Disclosure - 8. Derivative financial instruments and Short positions (Details 2) Sheet http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsDetails2 8. Derivative financial instruments and Short positions (Details 2) Details http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsTables 120 false false R121.htm 00000121 - Disclosure - 8. Derivative financial instruments and Short positions (Details 3) Sheet http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsDetails3 8. Derivative financial instruments and Short positions (Details 3) Details http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsTables 121 false false R122.htm 00000122 - Disclosure - 8. Derivative financial instruments and Short positions (Details 4) Sheet http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsDetails4 8. Derivative financial instruments and Short positions (Details 4) Details http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsTables 122 false false R123.htm 00000123 - Disclosure - 8. Derivative financial instruments and Short positions (Details 5) Sheet http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsDetails5 8. Derivative financial instruments and Short positions (Details 5) Details http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsTables 123 false false R124.htm 00000124 - Disclosure - 8. Derivative financial instruments and Short positions (Details 6) Sheet http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsDetails6 8. Derivative financial instruments and Short positions (Details 6) Details http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsTables 124 false false R125.htm 00000125 - Disclosure - 8. Derivative financial instruments and Short positions (Details 7) Sheet http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsDetails7 8. Derivative financial instruments and Short positions (Details 7) Details http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsTables 125 false false R126.htm 00000126 - Disclosure - 8. Derivative financial instruments and Short positions (Details 8) Sheet http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsDetails8 8. Derivative financial instruments and Short positions (Details 8) Details http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsTables 126 false false R127.htm 00000127 - Disclosure - 8. Derivative financial instruments and Short positions (Details 9) Sheet http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsDetails9 8. Derivative financial instruments and Short positions (Details 9) Details http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsTables 127 false false R128.htm 00000128 - Disclosure - 8. Derivative financial instruments and Short positions (Details 10) Sheet http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsDetails10 8. Derivative financial instruments and Short positions (Details 10) Details http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsTables 128 false false R129.htm 00000129 - Disclosure - 8. Derivative financial instruments and Short positions (Details 11) Sheet http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsDetails11 8. Derivative financial instruments and Short positions (Details 11) Details http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsTables 129 false false R130.htm 00000130 - Disclosure - 8. Derivative financial instruments and Short positions (Details 12) Sheet http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsDetails12 8. Derivative financial instruments and Short positions (Details 12) Details http://santander.com.br/role/DerivativeFinancialInstrumentsAndShortPositionsTables 130 false false R131.htm 00000131 - Disclosure - 9. Loans and advances to clients (Details 1) Sheet http://santander.com.br/role/LoansAndAdvancesToClientsDetails1 9. Loans and advances to clients (Details 1) Details http://santander.com.br/role/LoansAndAdvancesToClientsTables 131 false false R132.htm 00000132 - Disclosure - 9. Loans and advances to clients (Details 2) Sheet http://santander.com.br/role/LoansAndAdvancesToClientsDetails2 9. Loans and advances to clients (Details 2) Details http://santander.com.br/role/LoansAndAdvancesToClientsTables 132 false false R133.htm 00000133 - Disclosure - 9. Loans and advances to clients (Details 3) Sheet http://santander.com.br/role/LoansAndAdvancesToClientsDetails3 9. Loans and advances to clients (Details 3) Details http://santander.com.br/role/LoansAndAdvancesToClientsTables 133 false false R134.htm 00000134 - Disclosure - 9. Loans and advances to clients (Details 4) Sheet http://santander.com.br/role/LoansAndAdvancesToClientsDetails4 9. Loans and advances to clients (Details 4) Details http://santander.com.br/role/LoansAndAdvancesToClientsTables 134 false false R135.htm 00000135 - Disclosure - 9. Loans and advances to clients (Details 5) Sheet http://santander.com.br/role/LoansAndAdvancesToClientsDetails5 9. Loans and advances to clients (Details 5) Details http://santander.com.br/role/LoansAndAdvancesToClientsTables 135 false false R136.htm 00000136 - Disclosure - 9. Loans and advances to clients (Details 6) Sheet http://santander.com.br/role/LoansAndAdvancesToClientsDetails6 9. Loans and advances to clients (Details 6) Details http://santander.com.br/role/LoansAndAdvancesToClientsTables 136 false false R137.htm 00000137 - Disclosure - 9. Loans and advances to clients (Details 7) Sheet http://santander.com.br/role/LoansAndAdvancesToClientsDetails7 9. Loans and advances to clients (Details 7) Details http://santander.com.br/role/LoansAndAdvancesToClientsTables 137 false false R138.htm 00000138 - Disclosure - 9. Loans and advances to clients (Details 8) Sheet http://santander.com.br/role/LoansAndAdvancesToClientsDetails8 9. Loans and advances to clients (Details 8) Details http://santander.com.br/role/LoansAndAdvancesToClientsTables 138 false false R139.htm 00000139 - Disclosure - 9. Loans and advances to clients (Details 9) Sheet http://santander.com.br/role/LoansAndAdvancesToClientsDetails9 9. Loans and advances to clients (Details 9) Details http://santander.com.br/role/LoansAndAdvancesToClientsTables 139 false false R140.htm 00000140 - Disclosure - 9. Loans and advances to clients (Details 10) Sheet http://santander.com.br/role/LoansAndAdvancesToClientsDetails10 9. Loans and advances to clients (Details 10) Details http://santander.com.br/role/LoansAndAdvancesToClientsTables 140 false false R141.htm 00000141 - Disclosure - 9. Loans and advances to clients (Details 11) Sheet http://santander.com.br/role/LoansAndAdvancesToClientsDetails11 9. Loans and advances to clients (Details 11) Details http://santander.com.br/role/LoansAndAdvancesToClientsTables 141 false false R142.htm 00000142 - Disclosure - 10. Non-current assets held for sale (Details 1) Sheet http://santander.com.br/role/Non-currentAssetsHeldForSaleDetails1 10. Non-current assets held for sale (Details 1) Details http://santander.com.br/role/Non-currentAssetsHeldForSaleTables 142 false false R143.htm 00000143 - Disclosure - 11. Investments in associates and joint ventures (Details 1) Sheet http://santander.com.br/role/InvestmentsInAssociatesAndJointVenturesDetails1 11. Investments in associates and joint ventures (Details 1) Details http://santander.com.br/role/InvestmentsInAssociatesAndJointVenturesTables 143 false false R144.htm 00000144 - Disclosure - 11. Investments in associates and joint ventures (Details 2) Sheet http://santander.com.br/role/InvestmentsInAssociatesAndJointVenturesDetails2 11. Investments in associates and joint ventures (Details 2) Details http://santander.com.br/role/InvestmentsInAssociatesAndJointVenturesTables 144 false false R145.htm 00000145 - Disclosure - 11. Investments in associates and joint ventures (Details 3) Sheet http://santander.com.br/role/InvestmentsInAssociatesAndJointVenturesDetails3 11. Investments in associates and joint ventures (Details 3) Details http://santander.com.br/role/InvestmentsInAssociatesAndJointVenturesTables 145 false false R146.htm 00000146 - Disclosure - 11. Investments in associates and joint ventures (Details 4) Sheet http://santander.com.br/role/InvestmentsInAssociatesAndJointVenturesDetails4 11. Investments in associates and joint ventures (Details 4) Details http://santander.com.br/role/InvestmentsInAssociatesAndJointVenturesTables 146 false false R147.htm 00000147 - Disclosure - 11. Investments in associates and joint ventures (Details 5) Sheet http://santander.com.br/role/InvestmentsInAssociatesAndJointVenturesDetails5 11. Investments in associates and joint ventures (Details 5) Details http://santander.com.br/role/InvestmentsInAssociatesAndJointVenturesTables 147 false false R148.htm 00000148 - Disclosure - 11. Investments in associates and joint ventures (Details 6) Sheet http://santander.com.br/role/InvestmentsInAssociatesAndJointVenturesDetails6 11. Investments in associates and joint ventures (Details 6) Details http://santander.com.br/role/InvestmentsInAssociatesAndJointVenturesTables 148 false false R149.htm 00000149 - Disclosure - 12. Tangible assets (Details 1) Sheet http://santander.com.br/role/TangibleAssetsDetails1 12. Tangible assets (Details 1) Details http://santander.com.br/role/TangibleAssetsTables 149 false false R150.htm 00000150 - Disclosure - 12. Tangible assets (Details Text) Sheet http://santander.com.br/role/TangibleAssetsDetailsText 12. Tangible assets (Details Text) Details http://santander.com.br/role/TangibleAssetsTables 150 false false R151.htm 00000151 - Disclosure - 13. Intangible assets - Goodwill (Details 1) Sheet http://santander.com.br/role/IntangibleAssets-GoodwillDetails1 13. Intangible assets - Goodwill (Details 1) Details http://santander.com.br/role/IntangibleAssets-GoodwillTables 151 false false R152.htm 00000152 - Disclosure - 13. Intangible assets - Goodwill (Details 2) Sheet http://santander.com.br/role/IntangibleAssets-GoodwillDetails2 13. Intangible assets - Goodwill (Details 2) Details http://santander.com.br/role/IntangibleAssets-GoodwillTables 152 false false R153.htm 00000153 - Disclosure - 13. Intangible assets - Goodwill (Details 3) Sheet http://santander.com.br/role/IntangibleAssets-GoodwillDetails3 13. Intangible assets - Goodwill (Details 3) Details http://santander.com.br/role/IntangibleAssets-GoodwillTables 153 false false R154.htm 00000154 - Disclosure - 14. Intangible assets - Other intangible assets (Details 1) Sheet http://santander.com.br/role/IntangibleAssets-OtherIntangibleAssetsDetails1 14. Intangible assets - Other intangible assets (Details 1) Details http://santander.com.br/role/IntangibleAssets-OtherIntangibleAssetsTables 154 false false R155.htm 00000155 - Disclosure - 15. Other assets (Details 1) Sheet http://santander.com.br/role/OtherAssetsDetails1 15. Other assets (Details 1) Details http://santander.com.br/role/OtherAssetsTables 155 false false R156.htm 00000156 - Disclosure - 16. Deposits from the Brazilian Central Bank and Deposits from credit institutions (Details 1) Sheet http://santander.com.br/role/DepositsFromBrazilianCentralBankAndDepositsFromCreditInstitutionsDetails1 16. Deposits from the Brazilian Central Bank and Deposits from credit institutions (Details 1) Details http://santander.com.br/role/DepositsFromBrazilianCentralBankAndDepositsFromCreditInstitutionsTables 156 false false R157.htm 00000157 - Disclosure - 16. Deposits from the Brazilian Central Bank and Deposits from credit institutions (Details 2) Sheet http://santander.com.br/role/DepositsFromBrazilianCentralBankAndDepositsFromCreditInstitutionsDetails2 16. Deposits from the Brazilian Central Bank and Deposits from credit institutions (Details 2) Details http://santander.com.br/role/DepositsFromBrazilianCentralBankAndDepositsFromCreditInstitutionsTables 157 false false R158.htm 00000158 - Disclosure - 17. Client deposits (Details 1) Sheet http://santander.com.br/role/ClientDepositsDetails1 17. Client deposits (Details 1) Details http://santander.com.br/role/ClientDepositsTables 158 false false R159.htm 00000159 - Disclosure - 18. Marketable debt securities (Details 1) Sheet http://santander.com.br/role/MarketableDebtSecuritiesDetails1 18. Marketable debt securities (Details 1) Details http://santander.com.br/role/MarketableDebtSecuritiesTables 159 false false R160.htm 00000160 - Disclosure - 18. Marketable debt securities (Details 2) Sheet http://santander.com.br/role/MarketableDebtSecuritiesDetails2 18. Marketable debt securities (Details 2) Details http://santander.com.br/role/MarketableDebtSecuritiesTables 160 false false R161.htm 00000161 - Disclosure - 18. Marketable debt securities (Details 3) Sheet http://santander.com.br/role/MarketableDebtSecuritiesDetails3 18. Marketable debt securities (Details 3) Details http://santander.com.br/role/MarketableDebtSecuritiesTables 161 false false R162.htm 00000162 - Disclosure - 18. Marketable debt securities (Details 4) Sheet http://santander.com.br/role/MarketableDebtSecuritiesDetails4 18. Marketable debt securities (Details 4) Details http://santander.com.br/role/MarketableDebtSecuritiesTables 162 false false R163.htm 00000163 - Disclosure - 18. Marketable debt securities (Details 5) Sheet http://santander.com.br/role/MarketableDebtSecuritiesDetails5 18. Marketable debt securities (Details 5) Details http://santander.com.br/role/MarketableDebtSecuritiesTables 163 false false R164.htm 00000164 - Disclosure - 18. Marketable debt securities (Details 6) Sheet http://santander.com.br/role/MarketableDebtSecuritiesDetails6 18. Marketable debt securities (Details 6) Details http://santander.com.br/role/MarketableDebtSecuritiesTables 164 false false R165.htm 00000165 - Disclosure - 19. Debt Instruments Eligible to Compose Capital (Details 1) Sheet http://santander.com.br/role/DebtInstrumentsEligibleToComposeCapitalDetails1 19. Debt Instruments Eligible to Compose Capital (Details 1) Details http://santander.com.br/role/DebtInstrumentsEligibleToComposeCapitalTables 165 false false R166.htm 00000166 - Disclosure - 19. Debt Instruments Eligible to Compose Capital (Details 2) Sheet http://santander.com.br/role/DebtInstrumentsEligibleToComposeCapitalDetails2 19. Debt Instruments Eligible to Compose Capital (Details 2) Details http://santander.com.br/role/DebtInstrumentsEligibleToComposeCapitalTables 166 false false R167.htm 00000167 - Disclosure - 20. Other financial liabilities (Details 1) Sheet http://santander.com.br/role/OtherFinancialLiabilitiesDetails1 20. Other financial liabilities (Details 1) Details http://santander.com.br/role/OtherFinancialLiabilitiesTables 167 false false R168.htm 00000168 - Disclosure - 21. Provisions for pensions and similar obligations (Details 1) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsDetails1 21. Provisions for pensions and similar obligations (Details 1) Details http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 168 false false R169.htm 00000169 - Disclosure - 21. Provisions for pensions and similar obligations (Details 2) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsDetails2 21. Provisions for pensions and similar obligations (Details 2) Details http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 169 false false R170.htm 00000170 - Disclosure - 21. Provisions for pensions and similar obligations (Details 3) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsDetails3 21. Provisions for pensions and similar obligations (Details 3) Details http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 170 false false R171.htm 00000171 - Disclosure - 21. Provisions for pensions and similar obligations (Details 4) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsDetails4 21. Provisions for pensions and similar obligations (Details 4) Details http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 171 false false R172.htm 00000172 - Disclosure - 21. Provisions for pensions and similar obligations (Details 5) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsDetails5 21. Provisions for pensions and similar obligations (Details 5) Details http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 172 false false R173.htm 00000173 - Disclosure - 21. Provisions for pensions and similar obligations (Details 6) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsDetails6 21. Provisions for pensions and similar obligations (Details 6) Details http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 173 false false R174.htm 00000174 - Disclosure - 21. Provisions for pensions and similar obligations (Details 7) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsDetails7 21. Provisions for pensions and similar obligations (Details 7) Details http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 174 false false R175.htm 00000175 - Disclosure - 21. Provisions for pensions and similar obligations (Details 8) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsDetails8 21. Provisions for pensions and similar obligations (Details 8) Details http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 175 false false R176.htm 00000176 - Disclosure - 21. Provisions for pensions and similar obligations (Details 9) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsDetails9 21. Provisions for pensions and similar obligations (Details 9) Details http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 176 false false R177.htm 00000177 - Disclosure - 21. Provisions for pensions and similar obligations (Details 10) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsDetails10 21. Provisions for pensions and similar obligations (Details 10) Details http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 177 false false R178.htm 00000178 - Disclosure - 21. Provisions for pensions and similar obligations (Details 11) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsDetails11 21. Provisions for pensions and similar obligations (Details 11) Details http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 178 false false R179.htm 00000179 - Disclosure - 21. Provisions for pensions and similar obligations (Details 12) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsDetails12 21. Provisions for pensions and similar obligations (Details 12) Details http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 179 false false R180.htm 00000180 - Disclosure - 21. Provisions for pensions and similar obligations (Details 13) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsDetails13 21. Provisions for pensions and similar obligations (Details 13) Details http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 180 false false R181.htm 00000181 - Disclosure - 21. Provisions for pensions and similar obligations (Details 14) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsDetails14 21. Provisions for pensions and similar obligations (Details 14) Details http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 181 false false R182.htm 00000182 - Disclosure - 21. Provisions for pensions and similar obligations (Details 15) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsDetails15 21. Provisions for pensions and similar obligations (Details 15) Details http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 182 false false R183.htm 00000183 - Disclosure - 21. Provisions for pensions and similar obligations (Details 16) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsDetails16 21. Provisions for pensions and similar obligations (Details 16) Details http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 183 false false R184.htm 00000184 - Disclosure - 21. Provisions for pensions and similar obligations (Details 17) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsDetails17 21. Provisions for pensions and similar obligations (Details 17) Details http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 184 false false R185.htm 00000185 - Disclosure - 21. Provisions for pensions and similar obligations (Details 18) Sheet http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsDetails18 21. Provisions for pensions and similar obligations (Details 18) Details http://santander.com.br/role/ProvisionsForPensionsAndSimilarObligationsTables 185 false false R186.htm 00000186 - Disclosure - 22. Provisions for judicial and administrative proceedings, commitments and other provisions (Details 1) Sheet http://santander.com.br/role/ProvisionsForJudicialAndAdministrativeProceedingsCommitmentsAndOtherProvisionsDetails1 22. Provisions for judicial and administrative proceedings, commitments and other provisions (Details 1) Details http://santander.com.br/role/ProvisionsForJudicialAndAdministrativeProceedingsCommitmentsAndOtherProvisionsTables 186 false false R187.htm 00000187 - Disclosure - 22. Provisions for judicial and administrative proceedings, commitments and other provisions (Details 2) Sheet http://santander.com.br/role/ProvisionsForJudicialAndAdministrativeProceedingsCommitmentsAndOtherProvisionsDetails2 22. Provisions for judicial and administrative proceedings, commitments and other provisions (Details 2) Details http://santander.com.br/role/ProvisionsForJudicialAndAdministrativeProceedingsCommitmentsAndOtherProvisionsTables 187 false false R188.htm 00000188 - Disclosure - 22. Provisions for judicial and administrative proceedings, commitments and other provisions (Details 3) Sheet http://santander.com.br/role/ProvisionsForJudicialAndAdministrativeProceedingsCommitmentsAndOtherProvisionsDetails3 22. Provisions for judicial and administrative proceedings, commitments and other provisions (Details 3) Details http://santander.com.br/role/ProvisionsForJudicialAndAdministrativeProceedingsCommitmentsAndOtherProvisionsTables 188 false false R189.htm 00000189 - Disclosure - 23. Tax assets and liabilities (Details 1) Sheet http://santander.com.br/role/TaxAssetsAndLiabilitiesDetails1 23. Tax assets and liabilities (Details 1) Details http://santander.com.br/role/TaxAssetsAndLiabilitiesTables 189 false false R190.htm 00000190 - Disclosure - 23. Tax assets and liabilities (Details 2) Sheet http://santander.com.br/role/TaxAssetsAndLiabilitiesDetails2 23. Tax assets and liabilities (Details 2) Details http://santander.com.br/role/TaxAssetsAndLiabilitiesTables 190 false false R191.htm 00000191 - Disclosure - 23. Tax assets and liabilities (Details 3) Sheet http://santander.com.br/role/TaxAssetsAndLiabilitiesDetails3 23. Tax assets and liabilities (Details 3) Details http://santander.com.br/role/TaxAssetsAndLiabilitiesTables 191 false false R192.htm 00000192 - Disclosure - 23. Tax assets and liabilities (Details 4) Sheet http://santander.com.br/role/TaxAssetsAndLiabilitiesDetails4 23. Tax assets and liabilities (Details 4) Details http://santander.com.br/role/TaxAssetsAndLiabilitiesTables 192 false false R193.htm 00000193 - Disclosure - 23. Tax assets and liabilities (Details 5) Sheet http://santander.com.br/role/TaxAssetsAndLiabilitiesDetails5 23. Tax assets and liabilities (Details 5) Details http://santander.com.br/role/TaxAssetsAndLiabilitiesTables 193 false false R194.htm 00000194 - Disclosure - 23. Tax assets and liabilities (Details 6) Sheet http://santander.com.br/role/TaxAssetsAndLiabilitiesDetails6 23. Tax assets and liabilities (Details 6) Details http://santander.com.br/role/TaxAssetsAndLiabilitiesTables 194 false false R195.htm 00000195 - Disclosure - 23. Tax assets and liabilities (Details 7) Sheet http://santander.com.br/role/TaxAssetsAndLiabilitiesDetails7 23. Tax assets and liabilities (Details 7) Details http://santander.com.br/role/TaxAssetsAndLiabilitiesTables 195 false false R196.htm 00000196 - Disclosure - 24. Other liabilities (Details 1) Sheet http://santander.com.br/role/OtherLiabilitiesDetails1 24. Other liabilities (Details 1) Details http://santander.com.br/role/OtherLiabilitiesTables 196 false false R197.htm 00000197 - Disclosure - 25. Other Comprehensive Income (Details 1) Sheet http://santander.com.br/role/OtherComprehensiveIncomeDetails1 25. Other Comprehensive Income (Details 1) Details http://santander.com.br/role/OtherComprehensiveIncomeTables 197 false false R198.htm 00000198 - Disclosure - 26. Non-controlling interests (Details 1) Sheet http://santander.com.br/role/Non-controllingInterestsDetails1 26. Non-controlling interests (Details 1) Details http://santander.com.br/role/Non-controllingInterestsTables 198 false false R199.htm 00000199 - Disclosure - 26. Non-controlling interests (Details 2) Sheet http://santander.com.br/role/Non-controllingInterestsDetails2 26. Non-controlling interests (Details 2) Details http://santander.com.br/role/Non-controllingInterestsTables 199 false false R200.htm 00000200 - Disclosure - 26. Non-controlling interests (Details 3) Sheet http://santander.com.br/role/Non-controllingInterestsDetails3 26. Non-controlling interests (Details 3) Details http://santander.com.br/role/Non-controllingInterestsTables 200 false false R201.htm 00000201 - Disclosure - 27. Shareholders' equity (Details 1) Sheet http://santander.com.br/role/ShareholdersEquityDetails1 27. Shareholders' equity (Details 1) Details http://santander.com.br/role/ShareholdersEquityTables 201 false false R202.htm 00000202 - Disclosure - 27. Shareholders' equity (Details 2) Sheet http://santander.com.br/role/ShareholdersEquityDetails2 27. Shareholders' equity (Details 2) Details http://santander.com.br/role/ShareholdersEquityTables 202 false false R203.htm 00000203 - Disclosure - 27. Shareholders' equity (Details 3) Sheet http://santander.com.br/role/ShareholdersEquityDetails3 27. Shareholders' equity (Details 3) Details http://santander.com.br/role/ShareholdersEquityTables 203 false false R204.htm 00000204 - Disclosure - 28. Earnings per share (Details 1) Sheet http://santander.com.br/role/EarningsPerShareDetails1 28. Earnings per share (Details 1) Details http://santander.com.br/role/EarningsPerShareTables 204 false false R205.htm 00000205 - Disclosure - 28. Earnings per share (Details 2) Sheet http://santander.com.br/role/EarningsPerShareDetails2 28. Earnings per share (Details 2) Details http://santander.com.br/role/EarningsPerShareTables 205 false false R206.htm 00000206 - Disclosure - 29. Fair value of financial assets and liabilities (Details 1) Sheet http://santander.com.br/role/FairValueOfFinancialAssetsAndLiabilitiesDetails1 29. Fair value of financial assets and liabilities (Details 1) Details http://santander.com.br/role/FairValueOfFinancialAssetsAndLiabilitiesTables 206 false false R207.htm 00000207 - Disclosure - 29. Fair value of financial assets and liabilities (Details 2) Sheet http://santander.com.br/role/FairValueOfFinancialAssetsAndLiabilitiesDetails2 29. Fair value of financial assets and liabilities (Details 2) Details http://santander.com.br/role/FairValueOfFinancialAssetsAndLiabilitiesTables 207 false false R208.htm 00000208 - Disclosure - 29. Fair value of financial assets and liabilities (Details 3) Sheet http://santander.com.br/role/FairValueOfFinancialAssetsAndLiabilitiesDetails3 29. Fair value of financial assets and liabilities (Details 3) Details http://santander.com.br/role/FairValueOfFinancialAssetsAndLiabilitiesTables 208 false false R209.htm 00000209 - Disclosure - 29. Fair value of financial assets and liabilities (Details 4) Sheet http://santander.com.br/role/FairValueOfFinancialAssetsAndLiabilitiesDetails4 29. Fair value of financial assets and liabilities (Details 4) Details http://santander.com.br/role/FairValueOfFinancialAssetsAndLiabilitiesTables 209 false false R210.htm 00000210 - Disclosure - 30. Operational Ratios (Details 1) Sheet http://santander.com.br/role/OperationalRatiosDetails1 30. Operational Ratios (Details 1) Details http://santander.com.br/role/OperationalRatiosTables 210 false false R211.htm 00000211 - Disclosure - 31. Interest and similar income (Details 1) Sheet http://santander.com.br/role/InterestAndSimilarIncomeDetails1 31. Interest and similar income (Details 1) Details http://santander.com.br/role/InterestAndSimilarIncomeTables 211 false false R212.htm 00000212 - Disclosure - 32. Interest expense and similar charges (Details 1) Sheet http://santander.com.br/role/InterestExpenseAndSimilarChargesDetails1 32. Interest expense and similar charges (Details 1) Details http://santander.com.br/role/InterestExpenseAndSimilarChargesTables 212 false false R213.htm 00000213 - Disclosure - 33. Income from equity instruments (Details 1) Sheet http://santander.com.br/role/IncomeFromEquityInstrumentsDetails1 33. Income from equity instruments (Details 1) Details http://santander.com.br/role/IncomeFromEquityInstrumentsTables 213 false false R214.htm 00000214 - Disclosure - 34. Fee and commission income (Details 1) Sheet http://santander.com.br/role/FeeAndCommissionIncomeDetails1 34. Fee and commission income (Details 1) Details http://santander.com.br/role/FeeAndCommissionIncomeTables 214 false false R215.htm 00000215 - Disclosure - 35. Fee and commission expense (Details 1) Sheet http://santander.com.br/role/FeeAndCommissionExpenseDetails1 35. Fee and commission expense (Details 1) Details http://santander.com.br/role/FeeAndCommissionExpenseTables 215 false false R216.htm 00000216 - Disclosure - 36. Gains or losses on financial assets and liabilities (Details 1) Sheet http://santander.com.br/role/GainsOrLossesOnFinancialAssetsAndLiabilitiesDetails1 36. Gains or losses on financial assets and liabilities (Details 1) Details http://santander.com.br/role/GainsOrLossesOnFinancialAssetsAndLiabilitiesTables 216 false false R217.htm 00000217 - Disclosure - 37. Exchange differences (net) (Details 1) Sheet http://santander.com.br/role/ExchangeDifferencesNetDetails1 37. Exchange differences (net) (Details 1) Details http://santander.com.br/role/ExchangeDifferencesNetTables 217 false false R218.htm 00000218 - Disclosure - 38. Other operating income and expenses (Details 1) Sheet http://santander.com.br/role/OtherOperatingIncomeAndExpensesDetails1 38. Other operating income and expenses (Details 1) Details http://santander.com.br/role/OtherOperatingIncomeAndExpensesTables 218 false false R219.htm 00000219 - Disclosure - 39. Personnel expenses (Details 1) Sheet http://santander.com.br/role/PersonnelExpensesDetails1 39. Personnel expenses (Details 1) Details http://santander.com.br/role/PersonnelExpensesTables 219 false false R220.htm 00000220 - Disclosure - 39. Personnel expenses (Details 2) Sheet http://santander.com.br/role/PersonnelExpensesDetails2 39. Personnel expenses (Details 2) Details http://santander.com.br/role/PersonnelExpensesTables 220 false false R221.htm 00000221 - Disclosure - 39. Personnel expenses (Details 3) Sheet http://santander.com.br/role/PersonnelExpensesDetails3 39. Personnel expenses (Details 3) Details http://santander.com.br/role/PersonnelExpensesTables 221 false false R222.htm 00000222 - Disclosure - 39. Personnel expenses (Details 4) Sheet http://santander.com.br/role/PersonnelExpensesDetails4 39. Personnel expenses (Details 4) Details http://santander.com.br/role/PersonnelExpensesTables 222 false false R223.htm 00000223 - Disclosure - 40. Other general administrative expenses (Details 1) Sheet http://santander.com.br/role/OtherGeneralAdministrativeExpensesDetails1 40. Other general administrative expenses (Details 1) Details http://santander.com.br/role/OtherGeneralAdministrativeExpensesTables 223 false false R224.htm 00000224 - Disclosure - 40. Other general administrative expenses (Details 2) Sheet http://santander.com.br/role/OtherGeneralAdministrativeExpensesDetails2 40. Other general administrative expenses (Details 2) Details http://santander.com.br/role/OtherGeneralAdministrativeExpensesTables 224 false false R225.htm 00000225 - Disclosure - 40. Other general administrative expenses (Details Text) Sheet http://santander.com.br/role/OtherGeneralAdministrativeExpensesDetailsText 40. Other general administrative expenses (Details Text) Details http://santander.com.br/role/OtherGeneralAdministrativeExpensesTables 225 false false R226.htm 00000226 - Disclosure - 41. Gains or losses on non financial assets and investments, net (Details 1) Sheet http://santander.com.br/role/GainsOrLossesOnNonFinancialAssetsAndInvestmentsNetDetails1 41. Gains or losses on non financial assets and investments, net (Details 1) Details http://santander.com.br/role/GainsOrLossesOnNonFinancialAssetsAndInvestmentsNetTables 226 false false R227.htm 00000227 - Disclosure - 42. Gains losses on disposal and expenses (Details Text) Sheet http://santander.com.br/role/GainsLossesOnDisposalAndExpensesDetailsText 42. Gains losses on disposal and expenses (Details Text) Details 227 false false R228.htm 00000228 - Disclosure - 43. Other disclosures (Details 1) Sheet http://santander.com.br/role/OtherDisclosuresDetails1 43. Other disclosures (Details 1) Details http://santander.com.br/role/OtherDisclosuresTables 228 false false R229.htm 00000229 - Disclosure - 43. Other disclosures (Details 2) Sheet http://santander.com.br/role/OtherDisclosuresDetails2 43. Other disclosures (Details 2) Details http://santander.com.br/role/OtherDisclosuresTables 229 false false R230.htm 00000230 - Disclosure - 43. Other disclosures (Details 3) Sheet http://santander.com.br/role/OtherDisclosuresDetails3 43. Other disclosures (Details 3) Details http://santander.com.br/role/OtherDisclosuresTables 230 false false R231.htm 00000231 - Disclosure - 43. Other disclosures (Details 4) Sheet http://santander.com.br/role/OtherDisclosuresDetails4 43. Other disclosures (Details 4) Details http://santander.com.br/role/OtherDisclosuresTables 231 false false R232.htm 00000232 - Disclosure - 43. Other disclosures (Details 5) Sheet http://santander.com.br/role/OtherDisclosuresDetails5 43. Other disclosures (Details 5) Details http://santander.com.br/role/OtherDisclosuresTables 232 false false R233.htm 00000233 - Disclosure - 43. Other disclosures (Details 6) Sheet http://santander.com.br/role/OtherDisclosuresDetails6 43. Other disclosures (Details 6) Details http://santander.com.br/role/OtherDisclosuresTables 233 false false R234.htm 00000234 - Disclosure - 43. Other disclosures (Details 7) Sheet http://santander.com.br/role/OtherDisclosuresDetails7 43. Other disclosures (Details 7) Details http://santander.com.br/role/OtherDisclosuresTables 234 false false R235.htm 00000235 - Disclosure - 43. Other disclosures (Details 8) Sheet http://santander.com.br/role/OtherDisclosuresDetails8 43. Other disclosures (Details 8) Details http://santander.com.br/role/OtherDisclosuresTables 235 false false R236.htm 00000236 - Disclosure - 43. Other disclosures (Details 9) Sheet http://santander.com.br/role/OtherDisclosuresDetails9 43. Other disclosures (Details 9) Details http://santander.com.br/role/OtherDisclosuresTables 236 false false R237.htm 00000237 - Disclosure - 43. Other disclosures (Details 10) Sheet http://santander.com.br/role/OtherDisclosuresDetails10 43. Other disclosures (Details 10) Details http://santander.com.br/role/OtherDisclosuresTables 237 false false R238.htm 00000238 - Disclosure - 43. Other disclosures (Details Text) Sheet http://santander.com.br/role/OtherDisclosuresDetailsText 43. Other disclosures (Details Text) Details http://santander.com.br/role/OtherDisclosuresTables 238 false false R239.htm 00000239 - Disclosure - 44. Business segment reporting (Details 1) Sheet http://santander.com.br/role/BusinessSegmentReportingDetails1 44. Business segment reporting (Details 1) Details http://santander.com.br/role/BusinessSegmentReportingTables 239 false false R240.htm 00000240 - Disclosure - 44. Business segment reporting (Details 2) Sheet http://santander.com.br/role/BusinessSegmentReportingDetails2 44. Business segment reporting (Details 2) Details http://santander.com.br/role/BusinessSegmentReportingTables 240 false false R241.htm 00000241 - Disclosure - 45. Related party transactions (Details 1) Sheet http://santander.com.br/role/RelatedPartyTransactionsDetails1 45. Related party transactions (Details 1) Details http://santander.com.br/role/RelatedPartyTransactionsTables 241 false false R242.htm 00000242 - Disclosure - 45. Related party transactions (Details 2) Sheet http://santander.com.br/role/RelatedPartyTransactionsDetails2 45. Related party transactions (Details 2) Details http://santander.com.br/role/RelatedPartyTransactionsTables 242 false false R243.htm 00000243 - Disclosure - 45. Related party transactions (Details 3) Sheet http://santander.com.br/role/RelatedPartyTransactionsDetails3 45. Related party transactions (Details 3) Details http://santander.com.br/role/RelatedPartyTransactionsTables 243 false false R244.htm 00000244 - Disclosure - 45. Related party transactions (Details 4) Sheet http://santander.com.br/role/RelatedPartyTransactionsDetails4 45. Related party transactions (Details 4) Details http://santander.com.br/role/RelatedPartyTransactionsTables 244 false false R245.htm 00000245 - Disclosure - 46. Risk management (Details 1) Sheet http://santander.com.br/role/RiskManagementDetails1 46. Risk management (Details 1) Details http://santander.com.br/role/RiskManagementTables 245 false false R246.htm 00000246 - Disclosure - 46. Risk management (Details 2) Sheet http://santander.com.br/role/RiskManagementDetails2 46. Risk management (Details 2) Details http://santander.com.br/role/RiskManagementTables 246 false false R247.htm 00000247 - Disclosure - 46. Risk management (Details 3) Sheet http://santander.com.br/role/RiskManagementDetails3 46. Risk management (Details 3) Details http://santander.com.br/role/RiskManagementTables 247 false false R248.htm 00000248 - Disclosure - 46. Risk management (Details 4) Sheet http://santander.com.br/role/RiskManagementDetails4 46. Risk management (Details 4) Details http://santander.com.br/role/RiskManagementTables 248 false false R249.htm 00000249 - Disclosure - 46. Risk management (Details 5) Sheet http://santander.com.br/role/RiskManagementDetails5 46. Risk management (Details 5) Details http://santander.com.br/role/RiskManagementTables 249 false false R250.htm 00000250 - Disclosure - 46. Risk management (Details 6) Sheet http://santander.com.br/role/RiskManagementDetails6 46. Risk management (Details 6) Details http://santander.com.br/role/RiskManagementTables 250 false false R251.htm 00000251 - Disclosure - 46. Risk management (Details 7) Sheet http://santander.com.br/role/RiskManagementDetails7 46. Risk management (Details 7) Details http://santander.com.br/role/RiskManagementTables 251 false false R252.htm 00000252 - Disclosure - 46. Risk management (Details 8) Sheet http://santander.com.br/role/RiskManagementDetails8 46. Risk management (Details 8) Details http://santander.com.br/role/RiskManagementTables 252 false false R253.htm 00000253 - Disclosure - 46. Risk management (Details 9) Sheet http://santander.com.br/role/RiskManagementDetails9 46. Risk management (Details 9) Details http://santander.com.br/role/RiskManagementTables 253 false false R254.htm 00000254 - Disclosure - 46. Risk management (Details 10) Sheet http://santander.com.br/role/RiskManagementDetails10 46. Risk management (Details 10) Details http://santander.com.br/role/RiskManagementTables 254 false false R255.htm 00000255 - Disclosure - 46. Risk management (Details 11) Sheet http://santander.com.br/role/RiskManagementDetails11 46. Risk management (Details 11) Details http://santander.com.br/role/RiskManagementTables 255 false false R256.htm 00000256 - Disclosure - 46. Risk management (Details 12) Sheet http://santander.com.br/role/RiskManagementDetails12 46. Risk management (Details 12) Details http://santander.com.br/role/RiskManagementTables 256 false false R257.htm 00000257 - Disclosure - APPENDIX I - RECONCILIATION OF STOCKHOLDERS' EQUITY AND NET INCOME - BRGAAP vs IFRS (Details 1) Sheet http://santander.com.br/role/AppendixI-ReconciliationOfStockholdersEquityAndNetIncome-BrgaapVsIfrsDetails1 APPENDIX I - RECONCILIATION OF STOCKHOLDERS' EQUITY AND NET INCOME - BRGAAP vs IFRS (Details 1) Details 257 false false R258.htm 00000258 - Disclosure - APPENDIX II - STATEMENTS OF VALUE ADDED (Details 2) Sheet http://santander.com.br/role/AppendixIi-StatementsOfValueAddedDetails2 APPENDIX II - STATEMENTS OF VALUE ADDED (Details 2) Details 258 false false All Reports Book All Reports bsbr-20201231.xml bsbr-20201231.xsd bsbr-20201231_cal.xml bsbr-20201231_def.xml bsbr-20201231_lab.xml bsbr-20201231_pre.xml http://xbrl.ifrs.org/taxonomy/2020-03-16/ifrs-full http://xbrl.sec.gov/dei/2020-01-31 true true