XML 178 R158.htm IDEA: XBRL DOCUMENT v3.26.1
Provisions and contingent liabilities - Summary of contingent liabilities (Details)
R$ in Thousands
 12 Months Ended
Dec. 31, 2025
BRL (R$)
claim
installment
Dec. 31, 2024
BRL (R$)
claim
Jun. 30, 2022
BRL (R$)
Dec. 31, 2021
BRL (R$)
Dec. 31, 2020
BRL (R$)
Dec. 31, 2019
BRL (R$)
Dec. 31, 2018
BRL (R$)
Dec. 31, 2017
BRL (R$)
Dec. 31, 2015
BRL (R$)
Dec. 31, 2011
BRL (R$)
Disclosure of contingent liabilities [line items]                    
Estimated financial effect of contingent liabilities R$ 3,703,191 R$ 2,481,746                
Percentage of tax penalty applied to claim 150.00%                  
Percentage of reduction in tax settlement program 65.00%                  
Remaining balance tax settlement program R$ 710                  
Number of installments tax settlement program | installment 9                  
Number of civil and administrative claims by customers and investment agents | claim 2,673 2,130                
Number of labor claims by former employees | claim 228 235                
Tax                    
Disclosure of contingent liabilities [line items]                    
Estimated financial effect of contingent liabilities R$ 2,105,051 R$ 1,338,518                
Tax | Federal Revenue of Brazil v. Company re. Brazilian Law 10,101/00                    
Disclosure of contingent liabilities [line items]                    
Estimated financial effect of contingent liabilities     R$ 196,165       R$ 168,785 R$ 138,618 R$ 59,756 R$ 23,381
Tax | Employees Profit Sharing Plan                    
Disclosure of contingent liabilities [line items]                    
Estimated financial effect of contingent liabilities       R$ 587,342 R$ 402,871 R$ 227,507        
Tax | Amortization of Goodwill                    
Disclosure of contingent liabilities [line items]                    
Estimated financial effect of contingent liabilities 116,367                  
Civil                    
Disclosure of contingent liabilities [line items]                    
Estimated financial effect of contingent liabilities 1,429,045 970,615                
Labor Contingent Liability [Member]                    
Disclosure of contingent liabilities [line items]                    
Estimated financial effect of contingent liabilities R$ 169,095 R$ 172,613