XML 142 R122.htm IDEA: XBRL DOCUMENT v3.25.1
PROPERTY, PLANT AND EQUIPMENT - Movement of property, plant, and equipment (Details) - BRL (R$)
R$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
PROPERTY, PLANT AND EQUIPMENT      
Property, plant and equipment at beginning of period R$ 35,805,421 R$ 34,739,705  
Acquisition of investee control   4,573,248  
Addition 2,892,180 2,796,504  
Write-offs 587,035 (51,416)  
Depreciation (1,907,233) (1,975,400)  
Transfers assets held for sale (519,661) (3,586,047)  
Transfer (3,687) (691,173)  
Property, plant and equipment at end of period 36,854,056 35,805,421 R$ 34,739,705
Cost      
PROPERTY, PLANT AND EQUIPMENT      
Property, plant and equipment at beginning of period 82,056,338 82,365,221  
Property, plant and equipment at end of period 83,946,366 82,056,338 82,365,221
Accumulated Depreciation and Impairment      
PROPERTY, PLANT AND EQUIPMENT      
Property, plant and equipment at beginning of period (46,250,916) (47,625,516)  
Property, plant and equipment at end of period (47,092,310) (46,250,916) (47,625,516)
Impairment.      
PROPERTY, PLANT AND EQUIPMENT      
Property, plant and equipment at beginning of period (1,702,404) (2,536,835)  
Addition (116,508) (1,073,345)  
Write-offs 650,278 73,635  
Transfers assets held for sale   1,829,696  
Transfer (7,078) 4,445  
Property, plant and equipment at end of period (1,175,712) R$ (1,702,404) R$ (2,536,835)
Dams, reservoirs and water mains      
PROPERTY, PLANT AND EQUIPMENT      
Average rate of depreciation   1.72% 2.00%
Property, plant and equipment at beginning of period 13,363,232 R$ 11,466,292  
Acquisition of investee control   2,973,633  
Addition 22,208 532  
Write-offs (12,775) (19,443)  
Depreciation (914,695) (602,937)  
Transfers assets held for sale (267,316) (167,687)  
Transfer 354,524 (287,158)  
Property, plant and equipment at end of period 12,545,178 13,363,232 R$ 11,466,292
Dams, reservoirs and water mains | Cost      
PROPERTY, PLANT AND EQUIPMENT      
Property, plant and equipment at beginning of period 25,243,381 22,752,509  
Property, plant and equipment at end of period 25,158,794 25,243,381 22,752,509
Dams, reservoirs and water mains | Accumulated Depreciation and Impairment      
PROPERTY, PLANT AND EQUIPMENT      
Property, plant and equipment at beginning of period (11,880,149) (11,286,217)  
Property, plant and equipment at end of period (12,613,616) R$ (11,880,149) R$ (11,286,217)
Buildings, civil works and improvements      
PROPERTY, PLANT AND EQUIPMENT      
Average rate of depreciation   1.69% 2.50%
Property, plant and equipment at beginning of period 6,126,565 R$ 5,357,369  
Acquisition of investee control   1,127,662  
Addition 2,695 11,764  
Write-offs 295 (155)  
Depreciation (355,849) (290,467)  
Transfers assets held for sale (68,366) (140,959)  
Transfer 66,972 61,351  
Property, plant and equipment at end of period 5,772,312 6,126,565 R$ 5,357,369
Buildings, civil works and improvements | Cost      
PROPERTY, PLANT AND EQUIPMENT      
Property, plant and equipment at beginning of period 11,940,669 10,977,908  
Property, plant and equipment at end of period 11,892,050 11,940,669 10,977,908
Buildings, civil works and improvements | Accumulated Depreciation and Impairment      
PROPERTY, PLANT AND EQUIPMENT      
Property, plant and equipment at beginning of period (5,814,104) (5,620,539)  
Property, plant and equipment at end of period (6,119,738) R$ (5,814,104) R$ (5,620,539)
Machines and equipment      
PROPERTY, PLANT AND EQUIPMENT      
Average rate of depreciation   2.75% 3.30%
Property, plant and equipment at beginning of period 12,381,994 R$ 16,466,066  
Acquisition of investee control   203,498  
Addition 47,956 216,012  
Write-offs (22,400) (53,134)  
Depreciation (544,344) (952,293)  
Transfers assets held for sale (135,482) (3,929,766)  
Transfer 1,470,547 431,611  
Property, plant and equipment at end of period 13,198,271 12,381,994 R$ 16,466,066
Machines and equipment | Cost      
PROPERTY, PLANT AND EQUIPMENT      
Property, plant and equipment at beginning of period 37,765,942 43,366,208  
Property, plant and equipment at end of period 38,860,152 37,765,942 43,366,208
Machines and equipment | Accumulated Depreciation and Impairment      
PROPERTY, PLANT AND EQUIPMENT      
Property, plant and equipment at beginning of period (25,383,948) (26,900,142)  
Property, plant and equipment at end of period (25,661,881) R$ (25,383,948) R$ (26,900,142)
Right-of-use      
PROPERTY, PLANT AND EQUIPMENT      
Average rate of depreciation   3.84% 3.50%
Property, plant and equipment at beginning of period 158,971 R$ 955,149  
Acquisition of investee control   378  
Addition 5,667 12,075  
Write-offs   (5,371)  
Depreciation (45,331) (92,403)  
Transfers assets held for sale   (710,857)  
Transfer 31,218    
Property, plant and equipment at end of period 150,525 158,971 R$ 955,149
Right-of-use | Cost      
PROPERTY, PLANT AND EQUIPMENT      
Property, plant and equipment at beginning of period 1,350,009 2,052,882  
Property, plant and equipment at end of period 1,386,894 1,350,009 2,052,882
Right-of-use | Accumulated Depreciation and Impairment      
PROPERTY, PLANT AND EQUIPMENT      
Property, plant and equipment at beginning of period (1,191,038) (1,097,733)  
Property, plant and equipment at end of period (1,236,369) (1,191,038) (1,097,733)
In progress      
PROPERTY, PLANT AND EQUIPMENT      
Property, plant and equipment at beginning of period 4,432,927 2,716,242  
Acquisition of investee control   13,028  
Addition 2,845,292 3,847,094  
Write-offs (16,048) (28,670)  
Transfers assets held for sale (4,690) (462,734)  
Transfer (2,115,630) (1,652,033)  
Property, plant and equipment at end of period 5,141,851 4,432,927 2,716,242
In progress | Cost      
PROPERTY, PLANT AND EQUIPMENT      
Property, plant and equipment at beginning of period 4,432,927 2,716,242  
Property, plant and equipment at end of period 5,141,851 R$ 4,432,927 R$ 2,716,242
Others      
PROPERTY, PLANT AND EQUIPMENT      
Average rate of depreciation   1.10% 5.80%
Property, plant and equipment at beginning of period 1,044,137 R$ 315,422  
Acquisition of investee control   255,049  
Addition 84,870 (217,628)  
Write-offs (12,315) (18,278)  
Depreciation (47,014) (37,300)  
Transfers assets held for sale (43,807) (3,740)  
Transfer 195,760 750,612  
Property, plant and equipment at end of period 1,221,631 1,044,137 R$ 315,422
Others | Cost      
PROPERTY, PLANT AND EQUIPMENT      
Property, plant and equipment at beginning of period 1,323,410 499,472  
Property, plant and equipment at end of period 1,506,625 1,323,410 499,472
Others | Accumulated Depreciation and Impairment      
PROPERTY, PLANT AND EQUIPMENT      
Property, plant and equipment at beginning of period (279,273) (184,050)  
Property, plant and equipment at end of period R$ (284,994) R$ (279,273) R$ (184,050)