v3.26.1
PROPERTY AND EQUIPMENT (Details 1) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
IfrsStatementLineItems [Line Items]    
Balance beginning R$ 10,220,444 R$ 11,118,009
Additions 1,686,100 1,726,464
Depreciation (2,499,655) (2,622,281)
Impairment (1,398) (1,748)
Ending balance 9,405,491 10,220,444
Buildings [member]    
IfrsStatementLineItems [Line Items]    
Balance beginning 2,859,719 3,610,211
Additions 641,496 (190,906)
Depreciation (627,235) (559,586)
Ending balance 2,873,980 2,859,719
Land [member]    
IfrsStatementLineItems [Line Items]    
Balance beginning 871,952 912,088
Additions (14,126) (40,136)
Ending balance 857,826 871,952
Other property, plant and equipment [member]    
IfrsStatementLineItems [Line Items]    
Balance beginning 2,706,833 3,074,492
Additions 1,269,771 7,551
Depreciation (1,029,489) (374,968)
Impairment (363) (242)
Ending balance 2,946,752 2,706,833
Communication and network equipment [member]    
IfrsStatementLineItems [Line Items]    
Balance beginning 119,670 126,350
Additions 33,436 23,881
Depreciation (28,253) (30,293)
Impairment (5) (268)
Ending balance 124,848 119,670
Data Processing Systems [Member]    
IfrsStatementLineItems [Line Items]    
Balance beginning 3,432,633 3,305,062
Additions (248,520) 1,750,744
Depreciation (774,159) (1,621,935)
Impairment (1,030) (1,238)
Ending balance 2,408,924 3,432,633
Transportation Systems [Member]    
IfrsStatementLineItems [Line Items]    
Balance beginning 229,637 89,806
Additions 4,043 175,330
Depreciation (40,519) (35,499)
Ending balance R$ 193,161 R$ 229,637