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Assets held for sale and Discontinued operations (Details) - BRL (R$) R$ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Assets classified as held for sale |  |  |
Cash and cash equivalents | R$ 4,161,939 | R$ 5,634,623 |
Trade accounts receivable | 3,962,702 | 3,761,170 |
Inventories | 136,324 | 174,726 |
Judicial deposits | 394,364 | 634,712 |
Other receivables | 3,507,960 | 2,819,255 |
Contract assets | 283,896 | 284,616 |
Property, plant and equipment | 8,516,697 | 10,825,421 |
Intangible assets | 16,623,610 | 11,170,089 |
Right-of-use assets | 308,983 | 252,600 |
Assets held for sale | 1,881,826 | 1,462,929 |
Liabilities associated with assets classified as held for sale |  |  |
Payroll, social charges and accruals | 411,102 | 927,538 |
Accounts payable to suppliers | 2,324,423 | 2,154,430 |
Other taxes due | 302,345 | 346,083 |
Debentures | 2,025,110 | 1,225,649 |
Dividend payable | 3,878 | 464,147 |
Post-employment benefits | 95,383 | 85,833 |
Lease liability | 328,506 | 270,442 | R$ 273,756
Provisions for legal claims | 956,696 | 1,492,916 | R$ 2,037,599
Other accounts payable | 1,199,195 | 537,810 |
H P P Colider [Member] |  |  |
Assets classified as held for sale |  |  |
Cash and cash equivalents | 0 |  |
Trade accounts receivable | 0 |  |
Inventories | 0 |  |
Current recoverable taxes and deferred taxes | 0 |  |
Judicial deposits | 0 |  |
Other receivables | 0 |  |
Contract assets | 0 |  |
Property, plant and equipment | 1,602,581 |  |
Intangible assets | 16,762 |  |
Right-of-use assets | 0 |  |
Assets held for sale | 1,619,343 |  |
Liabilities associated with assets classified as held for sale |  |  |
Payroll, social charges and accruals | 0 |  |
Accounts payable to suppliers | 0 |  |
Other taxes due | 0 |  |
Loans and financing | 484,981 |  |
Debentures | 0 |  |
Dividend payable | 0 |  |
Related parties | 32,505 |  |
Post-employment benefits | 0 |  |
Lease liability | 0 |  |
Provisions for legal claims | 0 |  |
Other accounts payable | 0 |  |
Liabilities associated with assets classified as held for sale | 517,486 |  |
Small generation assets [Member] |  |  |
Assets classified as held for sale |  |  |
Cash and cash equivalents | 13 |  |
Trade accounts receivable | 0 |  |
Inventories | 0 |  |
Current recoverable taxes and deferred taxes | 0 |  |
Judicial deposits | 0 |  |
Other receivables | 0 |  |
Contract assets | 0 |  |
Property, plant and equipment | 245,844 |  |
Intangible assets | 16,626 |  |
Right-of-use assets | 0 |  |
Assets held for sale | 262,483 |  |
Liabilities associated with assets classified as held for sale |  |  |
Payroll, social charges and accruals | 0 |  |
Accounts payable to suppliers | 0 |  |
Other taxes due | 0 |  |
Loans and financing | 22,695 |  |
Debentures | 0 |  |
Dividend payable | 0 |  |
Related parties | 280 |  |
Post-employment benefits | 0 |  |
Lease liability | 0 |  |
Provisions for legal claims | 951 |  |
Other accounts payable | 0 |  |
Liabilities associated with assets classified as held for sale | 23,926 |  |
Companhia Paranaense de Gas Compagas [Member] |  |  |
Assets classified as held for sale |  |  |
Cash and cash equivalents | 101,437 |  |
Trade accounts receivable | 82,954 |  |
Inventories | 5,383 |  |
Current recoverable taxes and deferred taxes | 5,334 |  |
Judicial deposits | 61 |  |
Other receivables | 74,083 |  |
Contract assets | 44,039 |  |
Property, plant and equipment | 0 |  |
Intangible assets | 709,626 |  |
Right-of-use assets | 11,489 |  |
Assets held for sale | 1,034,406 |  |
Liabilities associated with assets classified as held for sale |  |  |
Payroll, social charges and accruals | 9,452 |  |
Accounts payable to suppliers | 58,010 |  |
Other taxes due | 51,325 |  |
Loans and financing | 0 |  |
Debentures | 284,202 |  |
Dividend payable | 11,914 |  |
Related parties | 0 |  |
Post-employment benefits | 8,608 |  |
Lease liability | 11,573 |  |
Provisions for legal claims | 16,431 |  |
Other accounts payable | 48,710 |  |
Liabilities associated with assets classified as held for sale | 500,225 |  |
U E G A [Member] |  |  |
Assets classified as held for sale |  |  |
Cash and cash equivalents | 22,354 |  |
Trade accounts receivable | 0 |  |
Inventories | 0 |  |
Current recoverable taxes and deferred taxes | 112,025 |  |
Judicial deposits | 41 |  |
Other receivables | 317 |  |
Contract assets | 0 |  |
Property, plant and equipment | 293,751 |  |
Intangible assets | 35 |  |
Right-of-use assets | 0 |  |
Assets held for sale | 428,523 |  |
Liabilities associated with assets classified as held for sale |  |  |
Payroll, social charges and accruals | 702 |  |
Accounts payable to suppliers | 3,608 |  |
Other taxes due | 277 |  |
Loans and financing | 0 |  |
Debentures | 0 |  |
Dividend payable | 8,109 |  |
Related parties | 0 |  |
Post-employment benefits | 718 |  |
Lease liability | 0 |  |
Provisions for legal claims | 10,935 |  |
Other accounts payable | 8,690 |  |
Liabilities associated with assets classified as held for sale | 33,039 |  |
Consolidated [Member] |  |  |
Assets classified as held for sale |  |  |
Cash and cash equivalents | 13 | 123,791 |
Trade accounts receivable | 0 | 82,954 |
Inventories | 0 | 5,383 |
Current recoverable taxes and deferred taxes | 0 | 117,359 |
Judicial deposits | 0 | 102 |
Other receivables | 0 | 74,400 |
Contract assets | 0 | 44,039 |
Property, plant and equipment | 1,848,425 | 293,751 |
Intangible assets | 33,388 | 709,661 |
Right-of-use assets | 0 | 11,489 |
Assets held for sale | 1,881,826 | 1,462,929 |
Liabilities associated with assets classified as held for sale |  |  |
Payroll, social charges and accruals | 0 | 10,154 |
Accounts payable to suppliers | 0 | 61,618 |
Other taxes due | 0 | 51,602 |
Loans and financing | 507,676 | 0 |
Debentures | 0 | 284,202 |
Dividend payable | 0 | 20,023 |
Related parties | 32,785 | 0 |
Post-employment benefits | 0 | 9,326 |
Lease liability | 0 | 11,573 |
Provisions for legal claims | 951 | 27,366 |
Other accounts payable | 0 | 57,400 |
Liabilities associated with assets classified as held for sale | R$ 541,412 | R$ 533,264 |

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