v3.26.1
Financial Instruments (Details 1) - BRL (R$)
R$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
IfrsStatementLineItems [Line Items]    
Financial assets fair value R$ 44,360,860 R$ 27,016,467
Financial assets fair value 3,102,639 1,105,089
Level 1 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 2,852,057 697,095
Level 2 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 250,582 407,994
Level 3 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value
Derivatives [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 250,582 407,994
Derivatives [member] | Level 1 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Financial assets fair value  
Derivatives [member] | Level 2 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 250,582 407,994
Derivatives [member] | Level 3 of fair value hierarchy [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] | Level 1 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 13,987 140,445
Investments Fund Quotas [Member] | Level 2 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value
Investments Fund Quotas [Member] | Level 3 of fair value hierarchy [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] | Level 1 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 210,891 1,073
Investment Securities Letters Of Credits [Member] | Level 2 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value
Investment Securities Letters Of Credits [Member] | Level 3 of fair value hierarchy [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] | Level 1 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 646,754  
Investment Securities National Treasury Bills [Member] | Level 2 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Investment Securities National Treasury Bills [Member] | Level 3 of fair value hierarchy [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] | Level 1 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 1,722,314 546,768
Investment Securities Financial Treasury Bills [Member] | Level 2 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value
Investment Securities Financial Treasury Bills [Member] | Level 3 of fair value hierarchy [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] | Level 1 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 139,335  
Investment Securities National Treasury Notes [Member] | Level 2 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Investment Securities National Treasury Notes [Member] | Level 3 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
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] | Level 1 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 118,776  
Mexican Government Securities C E T E S [Member] | Level 2 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Mexican Government Securities C E T E S [Member] | Level 3 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Premium Bond [Member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value 2,573
Premium Bond [Member] | Level 1 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value   2,573
Premium Bond [Member] | Level 2 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Premium Bond [Member] | Level 3 of fair value hierarchy [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] | Level 1 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value   6,236
Repurchase Agreements Financial Treasury Bills [Member] | Level 2 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value  
Repurchase Agreements Financial Treasury Bills [Member] | Level 3 of fair value hierarchy [member]    
IfrsStatementLineItems [Line Items]    
Financial assets fair value