XML 155 R135.htm IDEA: XBRL DOCUMENT v3.26.1
Retirement plans liabilities (Details 3) - BRL (R$)
R$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of reconciliation of changes in insurance contracts by remaining coverage and incurred claims [line items]        
Assets R$ 396,528,353 R$ 347,456,760    
Liabilities 372,980,645 327,409,523    
Retirement plan liabilities from insurance and reinsurance contracts (8,260,312) 0    
Equity 23,547,708 R$ 20,047,237 R$ 19,450,844 R$ 17,042,210
Insurance and reinsurance contracts for assets [Member]        
Disclosure of reconciliation of changes in insurance contracts by remaining coverage and incurred claims [line items]        
Assets 8,267,289      
Securities of insurance and reinsurance contracts 8,267,289      
Insurance and reinsurance contracts for liabilities [Member]        
Disclosure of reconciliation of changes in insurance contracts by remaining coverage and incurred claims [line items]        
Liabilities 8,260,312      
Retirement plan liabilities from insurance and reinsurance contracts 8,260,312      
Insurance and reinsurance contracts for changes in equity [Member]        
Disclosure of reconciliation of changes in insurance contracts by remaining coverage and incurred claims [line items]        
Equity 6,977      
Assets (liabilities) R$ 6,977