v3.26.1
Risk and Capital Management - Schedule of Sensitivity Analysis (Details)
R$ in Millions
12 Months Ended
Dec. 31, 2025
BRL (R$)
Impact in Income, Insurance  
Risk And Capital Management [Line Items]  
Biometric tables, increase R$ (15)
Biometric tables, decrease 15
Claims rates, increase (31)
Claims rates, decrease 31
Impact in Income, Private Pension  
Risk And Capital Management [Line Items]  
Discount rate, increase (48)
Discount rate, decrease 33
Biometric tables, increase 39
Biometric tables, decrease (41)
Impact in Stockholders’ Equity, Insurance  
Risk And Capital Management [Line Items]  
Discount rate, increase 57
Discount rate, decrease (62)
Impact in Stockholders’ Equity, Private Pension  
Risk And Capital Management [Line Items]  
Discount rate, increase 430
Discount rate, decrease R$ (460)