v3.26.1
Insurance contracts and private pension - Schedule of Discount Rates (Details)
Dec. 31, 2025
Dec. 31, 2024
1 year    
Disclosure of actual claims compared with previous estimates [line items]    
IGPM 7.29% 7.43%
IPCA 9.13% 7.63%
TR 11.69% 13.07%
3 years    
Disclosure of actual claims compared with previous estimates [line items]    
IGPM 8.04% 5.69%
IPCA 7.80% 8.05%
TR 11.33% 13.48%
5 years    
Disclosure of actual claims compared with previous estimates [line items]    
IGPM 7.98% 6.29%
IPCA 7.62% 7.79%
TR 11.55% 13.24%
10 years    
Disclosure of actual claims compared with previous estimates [line items]    
IGPM 7.58% 6.18%
IPCA 7.23% 7.59%
TR 11.65% 12.78%
20 years    
Disclosure of actual claims compared with previous estimates [line items]    
IGPM 7.34% 5.88%
IPCA 7.04% 7.36%
TR 11.63% 12.58%