v3.26.1
SHAREHOLDERS EQUITY - Repurchase of shares (Details) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
QUANTITY    
Opening balance (in shares) 59,465,852,000 56,652,067,000
Repurchase of shares (in shares) 936,078,000 3,033,300,000
Restricted shares (in shares) (235,891,000) (219,515,000)
Bonus share issuance (in shares) 15,813,910,000 0
Closing balance (in shares) 75,979,949,000 59,465,852,000
AMOUNT    
Opening balance R$ 2,223,011 R$ 2,114,256
Share repurchases 36,728 115,099
Restricted shares (6,773) (6,344)
Bonus share issuance 781,840 0
Closing balance R$ 3,034,806 R$ 2,223,011
Authorized percentage to repurchase shares, maximum 10.00%  
COMMON    
QUANTITY    
Opening balance (in shares) 52,224,491,000  
Closing balance (in shares) 52,799,078,000 52,224,491,000
AMOUNT    
Opening balance R$ 1,953,281  
Closing balance R$ 1,977,823 R$ 1,953,281
Share repurchase program, authorized, number of shares (in shares) 3,428,201  
PNB    
QUANTITY    
Opening balance (in shares) 7,237,000,000  
Closing balance (in shares) 7,362,600,000 7,237,000,000
AMOUNT    
Opening balance R$ 269,518  
Closing balance R$ 274,931 R$ 269,518
Share repurchase program, authorized, number of shares (in shares) 524,800  
PNA    
QUANTITY    
Opening balance (in shares) 4,361,000  
Closing balance (in shares) 4,361,000 4,361,000
AMOUNT    
Opening balance R$ 212  
Closing balance R$ 212 R$ 212
PNC    
QUANTITY    
Opening balance (in shares) 0  
Closing balance (in shares) 15,813,910,000 0
AMOUNT    
Opening balance R$ 0  
Closing balance R$ 781,840 R$ 0