PROPERTY, PLANT AND EQUIPMENT (Details) - BRL (R$)
R$ in Thousands |
12 Months Ended |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Property, plant and equipment at beginning of period |
R$ 36,854,056
|
R$ 35,805,422
|
|
| Business combination |
659,260
|
|
|
| Addition |
3,637,832
|
2,892,180
|
|
| Write-offs |
500,214
|
587,035
|
|
| Depreciation |
(2,160,513)
|
(1,907,233)
|
|
| Transfers assets held for sale |
(2,461)
|
(519,661)
|
|
| Transfers |
170,789
|
(3,687)
|
|
| Property, plant and equipment at end of period |
39,659,177
|
36,854,056
|
R$ 35,805,422
|
| Costs |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Property, plant and equipment at beginning of period |
83,946,366
|
82,056,338
|
|
| Property, plant and equipment at end of period |
87,355,821
|
83,946,366
|
82,056,338
|
| Accumulated Amortization and Impairment |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Property, plant and equipment at beginning of period |
(47,092,310)
|
(46,250,916)
|
|
| Property, plant and equipment at end of period |
(47,696,644)
|
(47,092,310)
|
(46,250,916)
|
| Impairment |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Property, plant and equipment at beginning of period |
(1,175,712)
|
(1,702,404)
|
|
| Addition |
(141,492)
|
(116,508)
|
|
| Write-offs |
550,083
|
650,278
|
|
| Depreciation |
0
|
0
|
|
| Transfers assets held for sale |
0
|
0
|
|
| Transfers |
0
|
(7,078)
|
|
| Property, plant and equipment at end of period |
(767,121)
|
R$ (1,175,712)
|
R$ (1,702,404)
|
| Dams, reservoirs and water mains |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Average depreciation rate per year (%) |
|
1.68%
|
1.72%
|
| Property, plant and equipment at beginning of period |
12,545,178
|
R$ 13,363,232
|
|
| Business combination |
0
|
|
|
| Addition |
834,729
|
22,208
|
|
| Write-offs |
(8,318)
|
(12,775)
|
|
| Depreciation |
(696,715)
|
(914,695)
|
|
| Transfers assets held for sale |
0
|
(267,316)
|
|
| Transfers |
325,474
|
354,524
|
|
| Property, plant and equipment at end of period |
13,000,348
|
12,545,178
|
R$ 13,363,232
|
| Dams, reservoirs and water mains | Costs |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Property, plant and equipment at beginning of period |
25,158,794
|
25,243,381
|
|
| Property, plant and equipment at end of period |
26,307,719
|
25,158,794
|
25,243,381
|
| Dams, reservoirs and water mains | Accumulated Amortization and Impairment |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Property, plant and equipment at beginning of period |
(12,613,616)
|
(11,880,149)
|
|
| Property, plant and equipment at end of period |
(13,307,371)
|
R$ (12,613,616)
|
R$ (11,880,149)
|
| Buildings, civil works and improvements |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Average depreciation rate per year (%) |
|
1.86%
|
1.69%
|
| Property, plant and equipment at beginning of period |
5,772,312
|
R$ 6,126,565
|
|
| Business combination |
0
|
|
|
| Addition |
264,123
|
2,695
|
|
| Write-offs |
(388)
|
295
|
|
| Depreciation |
(293,800)
|
(355,849)
|
|
| Transfers assets held for sale |
0
|
(68,366)
|
|
| Transfers |
(64,545)
|
66,972
|
|
| Property, plant and equipment at end of period |
5,677,702
|
5,772,312
|
R$ 6,126,565
|
| Buildings, civil works and improvements | Costs |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Property, plant and equipment at beginning of period |
11,892,050
|
11,940,669
|
|
| Property, plant and equipment at end of period |
12,017,354
|
11,892,050
|
11,940,669
|
| Buildings, civil works and improvements | Accumulated Amortization and Impairment |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Property, plant and equipment at beginning of period |
(6,119,738)
|
(5,814,104)
|
|
| Property, plant and equipment at end of period |
(6,339,652)
|
R$ (6,119,738)
|
R$ (5,814,104)
|
| Machines and equipment |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Average depreciation rate per year (%) |
|
3.35%
|
2.75%
|
| Property, plant and equipment at beginning of period |
13,198,271
|
R$ 12,381,994
|
|
| Business combination |
348,705
|
|
|
| Addition |
620,314
|
47,956
|
|
| Write-offs |
(14,982)
|
(22,400)
|
|
| Depreciation |
(1,050,121)
|
(544,344)
|
|
| Transfers assets held for sale |
(518)
|
(135,482)
|
|
| Transfers |
3,583,171
|
1,470,547
|
|
| Property, plant and equipment at end of period |
16,684,840
|
13,198,271
|
R$ 12,381,994
|
| Machines and equipment | Costs |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Property, plant and equipment at beginning of period |
38,860,152
|
37,765,942
|
|
| Property, plant and equipment at end of period |
42,336,055
|
38,860,152
|
37,765,942
|
| Machines and equipment | Accumulated Amortization and Impairment |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Property, plant and equipment at beginning of period |
(25,661,881)
|
(25,383,948)
|
|
| Property, plant and equipment at end of period |
(25,651,215)
|
R$ (25,661,881)
|
R$ (25,383,948)
|
| Right of Use |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Average depreciation rate per year (%) |
|
11.28%
|
3.84%
|
| Property, plant and equipment at beginning of period |
150,525
|
R$ 158,971
|
|
| Business combination |
238,779
|
|
|
| Addition |
116,947
|
5,667
|
|
| Write-offs |
(8,860)
|
0
|
|
| Depreciation |
(55,527)
|
(45,331)
|
|
| Transfers assets held for sale |
0
|
0
|
|
| Transfers |
0
|
31,218
|
|
| Property, plant and equipment at end of period |
441,864
|
150,525
|
R$ 158,971
|
| Right of Use | Costs |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Property, plant and equipment at beginning of period |
1,386,894
|
1,350,009
|
|
| Property, plant and equipment at end of period |
1,733,760
|
1,386,894
|
1,350,009
|
| Right of Use | Accumulated Amortization and Impairment |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Property, plant and equipment at beginning of period |
(1,236,369)
|
(1,191,038)
|
|
| Property, plant and equipment at end of period |
(1,291,896)
|
(1,236,369)
|
(1,191,038)
|
| In progress |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Property, plant and equipment at beginning of period |
5,141,851
|
4,432,927
|
|
| Business combination |
0
|
|
|
| Addition |
1,980,405
|
2,845,292
|
|
| Write-offs |
(15,993)
|
(16,048)
|
|
| Depreciation |
0
|
0
|
|
| Transfers assets held for sale |
(1,943)
|
(4,690)
|
|
| Transfers |
(3,596,707)
|
(2,115,630)
|
|
| Property, plant and equipment at end of period |
3,507,613
|
5,141,851
|
4,432,927
|
| In progress | Costs |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Property, plant and equipment at beginning of period |
5,141,851
|
4,432,927
|
|
| Property, plant and equipment at end of period |
3,507,613
|
R$ 5,141,851
|
R$ 4,432,927
|
| Others |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Average depreciation rate per year (%) |
|
5.91%
|
1.10%
|
| Property, plant and equipment at beginning of period |
1,221,631
|
R$ 1,044,137
|
|
| Business combination |
71,776
|
|
|
| Addition |
(37,194)
|
84,870
|
|
| Write-offs |
(1,328)
|
(12,315)
|
|
| Depreciation |
(64,350)
|
(47,014)
|
|
| Transfers assets held for sale |
0
|
(43,807)
|
|
| Transfers |
(76,604)
|
195,760
|
|
| Property, plant and equipment at end of period |
1,113,931
|
1,221,631
|
R$ 1,044,137
|
| Others | Costs |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Property, plant and equipment at beginning of period |
1,506,625
|
1,323,410
|
|
| Property, plant and equipment at end of period |
1,453,320
|
1,506,625
|
1,323,410
|
| Others | Accumulated Amortization and Impairment |
|
|
|
| PROPERTY, PLANT AND EQUIPMENT |
|
|
|
| Property, plant and equipment at beginning of period |
(284,994)
|
(279,273)
|
|
| Property, plant and equipment at end of period |
R$ (339,389)
|
R$ (284,994)
|
R$ (279,273)
|