v3.26.1
INTANGIBLE ASSETS (Tables)
 12 Months Ended
Dec. 31, 2025
Disclosure of detailed information about intangible assets [abstract]  
Schedule of movement of intangible assets
Concession
Rights		SoftwareUse of the
public
property		Intangible
assets in
progress		ImpairmentOthersTotal
Average depreciation rate per year (%)2.66 9.86 1.60 — — 1.28 
Costs81,916,771 929,008 298,841 609,906 — 425,870 84,180,396 
Accumulated Amortization and Impairment
(5,197,924)(408,998)(101,577)— (36,576)(262,048)(6,007,123)
Balance on December 31, 202476,718,847 520,010 197,264 609,906 (36,576)163,822 78,173,273 
Business combination452,938 — — — — — 452,938 
Additions24,576 12 242 479,047 — 99,876 603,753 
Write-offs/Reversals(9,203)— — — — — (9,203)
Amortizations(2,241,005)(122,393)(7,208)— — (53,660)(2,424,266)
Transfers(181,612)406,577 — (394,714)— (1,040)(170,789)
Balance on December 31, 202574,764,541 804,206 190,298 694,239 (36,576)208,998 76,625,706 
Costs81,989,472 1,328,544 299,083 694,239 — 518,360 84,829,698 
Accumulated Amortization and Impairment
(7,224,932)(524,338)(108,785)— (36,576)(309,362)(8,203,993)
Concession
Rights		SoftwareUse of the
public
property		Intangible
assets in
progress		ImpairmentOthersTotal
Average depreciation rate per year (%)2.42 6.54 2.36 — — 1.03 
Costs81,960,541 633,504 314,044 562,560 — 396,819 83,867,468 
Accumulated Amortization and Impairment
(3,268,833)(363,511)(98,695)— (43,654)(226,534)(4,001,227)
Balance on December 31, 202378,691,708 269,993 215,349 562,560 (43,654)170,285 79,866,241 
Additions— 3,601 208 391,046 — 54,205 449,060 
Write-offs/Reversals(17,358)(52,073)— (1,232)— (799)(71,462)
Amortizations(1,934,243)(49,655)(7,938)— — (35,514)(2,027,350)
Transfers for Assets Held for Sale(35,533)— (10,770)— — (5,501)(51,804)
Transfers14,273 348,144 415 (342,468)7,078 (18,854)8,588 
Balance on December 31, 202476,718,847 520,010 197,264 609,906 (36,576)163,822 78,173,273 
Costs81,916,771 929,008 298,841 609,906 — 425,870 84,180,396 
Accumulated Amortization and Impairment
(5,197,924)(408,998)(101,577)— (36,576)(262,048)(6,007,123)