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Schedule of other intangible assets (Details) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets, beginning |  | R$ 6,929,456 |  |
Loss on disposal |  | (30,623) | R$ (52,811) | R$ (26,368)
Reclassification | [1] | (20,366) | (657,590) |
Intangible assets, ending |  | 9,215,560 | 6,929,456 |
Other In Service [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets, beginning |  | 19,209 | 31,620 |
Acquisitions |  |  | 128 |
Transfers from property, plant and equipment |  | 986 | 229 |
Capitalizations for intangible in service |  | 4,453 | 7,136 |
Amortization of quotas - concession and authorization |  | (7,770) | (11,584) |
Amortization of quotas - PIS/Pasep and Cofins credits |  | (5) | (13) |
Reclassification |  | 141 | (8,307) |
Effect of acquisition of control of Vilas Complex |  | 10,275 |  |
Acquisitions |  |  |  |
Partial division of assets |  | (5,047) |  |
Intangible assets, ending |  | 22,242 | 19,209 | 31,620
Other In Progress [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets, beginning |  | 20,654 | 14,634 |
Acquisitions |  |  | 10,863 |
Transfers from property, plant and equipment |  | 482 | 2,932 |
Capitalizations for intangible in service |  | (4,453) | (7,136) |
Loss on disposal |  |  | (4) |
Reclassification |  | 599 | (635) |
Acquisitions |  | 10,375 |  |
Partial division of assets |  | (526) |  |
Intangible assets, ending |  | 27,131 | 20,654 | 14,634
Other [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Intangible assets, beginning |  | 39,863 | 46,254 |
Acquisitions |  |  | 10,991 |
Transfers from property, plant and equipment |  | 1,468 | 3,161 |
Amortization of quotas - concession and authorization |  | (7,770) | (11,584) |
Amortization of quotas - PIS/Pasep and Cofins credits |  | (5) | (13) |
Loss on disposal |  |  | (4) |
Reclassification |  | 740 | (8,942) |
Effect of acquisition of control of Vilas Complex |  | 10,275 |  |
Acquisitions |  | 10,375 |  |
Partial division of assets |  | (5,573) |  |
Intangible assets, ending |  | R$ 49,373 | R$ 39,863 | R$ 46,254
[1] | The variation in provisions for legal claims occurred due to the review of the assessment of the Company’s legal advisors, mainly in civil claims. The details of the actions are shown in Note 30.

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