INTANGIBLE ASSETS AND GOODWILL (Details) - BRL (R$) R$ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
IfrsStatementLineItems [Line Items]
Beginning balance	R$ 23,749,208	R$ 22,107,146
Additions/(reductions)	6,936,555	5,788,489
Impairment	(24,242)	(35,976)
Amortization	(4,921,862)	(4,110,451)
Ending balance	25,739,659	23,749,208
Goodwill [member]
IfrsStatementLineItems [Line Items]
Beginning balance	6,730,642	6,596,649
Additions/(reductions)	(125,639)	133,993
Ending balance	6,605,003	6,730,642
Service concession rights [member]
IfrsStatementLineItems [Line Items]
Beginning balance	5,535,378	5,811,168
Additions/(reductions)	1,999,869	1,556,377
Impairment	(22,470)	(498)
Amortization	(1,853,479)	(1,831,669)
Ending balance	5,659,298	5,535,378
Computer software [member]
IfrsStatementLineItems [Line Items]
Beginning balance	10,287,830	8,463,216
Additions/(reductions)	4,946,676	3,649,518
Impairment	(1,772)	(35,478)
Amortization	(2,791,502)	(1,789,426)
Ending balance	12,441,232	10,287,830
Customer-related intangible assets [member]
IfrsStatementLineItems [Line Items]
Beginning balance	976,220	1,115,481
Additions/(reductions)	63,025	114,230
Amortization	(180,253)	(253,491)
Ending balance	858,992	976,220
Other intangible assets [member]
IfrsStatementLineItems [Line Items]
Beginning balance	219,138	120,632
Additions/(reductions)	52,624	334,371
Amortization	(96,628)	(235,865)
Ending balance	R$ 175,134	R$ 219,138

No definition available.

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- References

No definition available.

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- Definition

The amount of amortisation of intangible assets other than goodwill. [Refer: Depreciation and amortisation expense; Intangible assets other than goodwill]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 38
-IssueDate 2024-01-01
-Paragraph 118
-Subparagraph e
-Clause vi
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2024-en-r&anchor=para_118_e_vi&doctype=Standard
-URIDate 2024-03-27

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- Definition

The amount of impairment loss recognised in profit or loss for intangible assets and goodwill. [Refer: Impairment loss recognised in profit or loss; Intangible assets and goodwill]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 38
-IssueDate 2024-01-01
-Paragraph 118
-Subparagraph e
-Clause iv
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2024-en-r&anchor=para_118_e_iv&doctype=Standard
-URIDate 2024-03-27

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- Definition

The amount of intangible assets and goodwill held by the entity. [Refer: Goodwill; Intangible assets other than goodwill]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

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