v3.26.1
Financial Instruments (Details 2) - BRL (R$)
R$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
IfrsStatementLineItems [Line Items]    
Financial assets fair value R$ 3,102,639 R$ 1,105,089
Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 303,311 791,944
Later than one year and not later than two years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 477,585 311,779
Later than two years and not later than three years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 2,182,408 1,366
Later than five years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 139,335
Derivatives [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 250,582 407,994
Derivatives [member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 250,582 407,994
Derivatives [member] | Later than one year and not later than two years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value
Derivatives [member] | Later than two years and not later than three years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value
Derivatives [member] | Later than five years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value
Investments Fund Quotas [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 13,987 140,445
Investments Fund Quotas [Member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 13,987 140,445
Investments Fund Quotas [Member] | Later than one year and not later than two years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value
Investments Fund Quotas [Member] | Later than two years and not later than three years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value
Investments Fund Quotas [Member] | Later than five years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value
Investment Securities Letters Of Credits [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 210,891 1,073
Investment Securities Letters Of Credits [Member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 38,742
Investment Securities Letters Of Credits [Member] | Later than one year and not later than two years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 172,149 1,073
Investment Securities Letters Of Credits [Member] | Later than two years and not later than three years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value
Investment Securities Letters Of Credits [Member] | Later than five years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value
Investment Securities National Treasury Bills [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 646,754
Investment Securities National Treasury Bills [Member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Investment Securities National Treasury Bills [Member] | Later than one year and not later than two years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Investment Securities National Treasury Bills [Member] | Later than two years and not later than three years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 646,754  
Investment Securities National Treasury Bills [Member] | Later than five years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Investment Securities Financial Treasury Bills [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 1,722,314 546,768
Investment Securities Financial Treasury Bills [Member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 237,269
Investment Securities Financial Treasury Bills [Member] | Later than one year and not later than two years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 186,660 309,499
Investment Securities Financial Treasury Bills [Member] | Later than two years and not later than three years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 1,535,654
Investment Securities Financial Treasury Bills [Member] | Later than five years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value
Investment Securities National Treasury Notes [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 139,335
Investment Securities National Treasury Notes [Member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Investment Securities National Treasury Notes [Member] | Later than one year and not later than two years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Investment Securities National Treasury Notes [Member] | Later than two years and not later than three years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Investment Securities National Treasury Notes [Member] | Later than five years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 139,335  
Mexican Government Securities C E T E S [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 118,776
Mexican Government Securities C E T E S [Member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Mexican Government Securities C E T E S [Member] | Later than one year and not later than two years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 118,776  
Mexican Government Securities C E T E S [Member] | Later than two years and not later than three years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Mexican Government Securities C E T E S [Member] | Later than five years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Premium Bond [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 2,573
Premium Bond [Member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Premium Bond [Member] | Later than one year and not later than two years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value   1,207
Premium Bond [Member] | Later than two years and not later than three years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value   1,366
Premium Bond [Member] | Later than five years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Repurchase Agreements Financial Treasury Bills [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 6,236
Repurchase Agreements Financial Treasury Bills [Member] | Not later than one year [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value   6,236
Repurchase Agreements Financial Treasury Bills [Member] | Later than one year and not later than two years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Repurchase Agreements Financial Treasury Bills [Member] | Later than two years and not later than three years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Repurchase Agreements Financial Treasury Bills [Member] | Later than five years [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value