v3.26.1
Financial Investments and Derivatives - Schedule of Derivative Financial Instruments (Details) - BRL (R$)
R$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Derivative hedging instrument of portfolio hedge accounting    
Derivative hedging instrument of portfolio hedge accounting R$ 28,871  
Derivatives measured at fair value through profit and loss    
Derivatives measured at fair value though profit and loss 145  
Total assets 29,016 R$ 54,187
Derivatives measured at fair value through profit and loss    
Total liabilities 15,751
Up to 30 days [Member]    
Derivative hedging instrument of portfolio hedge accounting    
Derivative hedging instrument of portfolio hedge accounting 12,387  
Derivatives measured at fair value through profit and loss    
Derivatives measured at fair value though profit and loss 145  
Total assets 12,532
Derivatives measured at fair value through profit and loss    
Total liabilities 15,751  
From 31 to 365 days [Member]    
Derivative hedging instrument of portfolio hedge accounting    
Derivative hedging instrument of portfolio hedge accounting 5,601  
Derivatives measured at fair value through profit and loss    
Derivatives measured at fair value though profit and loss  
Total assets 5,601 7,118
Derivatives measured at fair value through profit and loss    
Total liabilities  
Over 365 days [Member]    
Derivative hedging instrument of portfolio hedge accounting    
Derivative hedging instrument of portfolio hedge accounting 10,883  
Derivatives measured at fair value through profit and loss    
Derivatives measured at fair value though profit and loss  
Total assets 10,883 47,069
Derivatives measured at fair value through profit and loss    
Total liabilities  
DI1 – Future Contract [Member]    
Derivatives measured at fair value through profit and loss    
Derivatives measured at fair value though profit and loss [1],[2]  
Derivatives measured at fair value through profit and loss    
Total liabilities [1],[2] 1,674  
DI1 – Future Contract [Member] | Up to 30 days [Member]    
Derivatives measured at fair value through profit and loss    
Derivatives measured at fair value though profit and loss [1],[2]  
Derivatives measured at fair value through profit and loss    
Total liabilities [1],[2] 1,674  
DI1 – Future Contract [Member] | From 31 to 365 days [Member]    
Derivatives measured at fair value through profit and loss    
Derivatives measured at fair value though profit and loss [1],[2]  
Derivatives measured at fair value through profit and loss    
Total liabilities [1],[2]  
DI1 – Future Contract [Member] | Over 365 days [Member]    
Derivatives measured at fair value through profit and loss    
Derivatives measured at fair value though profit and loss [1],[2]  
Derivatives measured at fair value through profit and loss    
Total liabilities [1],[2]  
Derivatives Financial Instruments (Swap) [Member]    
Derivatives measured at fair value through profit and loss    
Total liabilities 14,077  
Derivatives Financial Instruments (Swap) [Member] | Up to 30 days [Member]    
Derivatives measured at fair value through profit and loss    
Total liabilities 14,077  
Derivatives Financial Instruments (Swap) [Member] | From 31 to 365 days [Member]    
Derivatives measured at fair value through profit and loss    
Total liabilities  
Derivatives Financial Instruments (Swap) [Member] | Over 365 days [Member]    
Derivatives measured at fair value through profit and loss    
Total liabilities  
Notional Value [Member]    
Derivative hedging instrument of portfolio hedge accounting    
Derivative hedging instrument of portfolio hedge accounting 12,981,303  
Derivatives measured at fair value through profit and loss    
Derivatives measured at fair value though profit and loss 1,274,996  
Total assets 14,256,299 4,938,286
Derivatives measured at fair value through profit and loss    
Total liabilities 3,913,522  
Notional Value [Member] | DI1 – Future Contract [Member]    
Derivatives measured at fair value through profit and loss    
Derivatives measured at fair value though profit and loss [1],[2]   5,195
Derivatives measured at fair value through profit and loss    
Total liabilities [1],[2] 3,252,200  
Notional Value [Member] | Derivatives Financial Instruments (Swap) [Member]    
Derivatives measured at fair value through profit and loss    
Total liabilities 661,322  
Derivatives Financial Instruments (Swap) [Member]    
Derivative hedging instrument of portfolio hedge accounting    
Derivative hedging instrument of portfolio hedge accounting 27,572 54,187
Derivatives Financial Instruments (Swap) [Member] | Up to 30 days [Member]    
Derivative hedging instrument of portfolio hedge accounting    
Derivative hedging instrument of portfolio hedge accounting 11,088
Derivatives Financial Instruments (Swap) [Member] | From 31 to 365 days [Member]    
Derivative hedging instrument of portfolio hedge accounting    
Derivative hedging instrument of portfolio hedge accounting 5,601 7,118
Derivatives Financial Instruments (Swap) [Member] | Over 365 days [Member]    
Derivative hedging instrument of portfolio hedge accounting    
Derivative hedging instrument of portfolio hedge accounting 10,883 47,069
Derivatives Financial Instruments (Swap) [Member] | Notional Value [Member]    
Derivative hedging instrument of portfolio hedge accounting    
Derivative hedging instrument of portfolio hedge accounting 1,201,903 1,982,636
DI1 – Future Contract [Member]    
Derivative hedging instrument of portfolio hedge accounting    
Derivative hedging instrument of portfolio hedge accounting [1],[2] 1,299
Derivatives measured at fair value through profit and loss    
Total assets 1,299  
DI1 – Future Contract [Member] | Up to 30 days [Member]    
Derivative hedging instrument of portfolio hedge accounting    
Derivative hedging instrument of portfolio hedge accounting [1],[2] 1,299
DI1 – Future Contract [Member] | From 31 to 365 days [Member]    
Derivative hedging instrument of portfolio hedge accounting    
Derivative hedging instrument of portfolio hedge accounting [1],[2]
DI1 – Future Contract [Member] | Over 365 days [Member]    
Derivative hedging instrument of portfolio hedge accounting    
Derivative hedging instrument of portfolio hedge accounting [1],[2]
DI1 – Future Contract [Member] | Notional Value [Member]    
Derivative hedging instrument of portfolio hedge accounting    
Derivative hedging instrument of portfolio hedge accounting [1],[2] 11,779,400 R$ 2,950,455
DI1 and DDI - Future Contract [Member]    
Derivatives measured at fair value through profit and loss    
Derivatives measured at fair value though profit and loss [1],[2] 145  
DI1 and DDI - Future Contract [Member] | Up to 30 days [Member]    
Derivatives measured at fair value through profit and loss    
Derivatives measured at fair value though profit and loss [1],[2] 145  
DI1 and DDI - Future Contract [Member] | From 31 to 365 days [Member]    
Derivatives measured at fair value through profit and loss    
Derivatives measured at fair value though profit and loss [1],[2]  
DI1 and DDI - Future Contract [Member] | Over 365 days [Member]    
Derivatives measured at fair value through profit and loss    
Derivatives measured at fair value though profit and loss [1],[2]  
DI1 and DDI - Future Contract [Member] | Notional Value [Member]    
Derivatives measured at fair value through profit and loss    
Derivatives measured at fair value though profit and loss [1],[2] R$ 1,274,996  
[1] As of December 31, 2025 and 2024 – DI1 Futures Contracts are commitments to buy or sell a financial instrument at a future date, at a contracted price or yield. For these instruments, daily settlements are made related to changes in market prices.
[2] PicPay started the portfolio fair value hedge of interest rate risk in February 2024.