Loan and lease operations (Details 4) - BRL (R$) R$ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operations
Financial income	R$ 884	R$ 901	R$ 742
Variable payments	7	7	10
Total	R$ 891	R$ 908	R$ 752

The amount of income relating to variable lease payments not included in the measurement of the net investment in the finance lease. Variable lease payments are the portion of payments made by a lessee to a lessor for the right to use an underlying asset during the lease term that varies because of changes in facts or circumstances occurring after the commencement date, other than the passage of time. [Refer: Net investment in finance lease]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2023-01-01
-Paragraph 90
-Subparagraph a
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_90_a_iii&doctype=Standard
-URIDate 2023-03-23

Name:	ifrs-full_IncomeRelatingToVariableLeasePaymentsNotIncludedInMeasurementOfNetInvestmentInFinanceLease
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration