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Other income (expenses), net - Summary of Details of Other income (expenses), net (Detail) - BRL (R$) R$ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Analysis of income and expense [abstract] |  |  |  |
Settlement of disputes in the renewal process | [1] | R$ 9,242 | R$ 278,496 |
Tax credits | [1] | 287,049 | 132,399 | 165,398
Gain (loss) on disposal of non-current assets and intangibles |  | 7,295 | 30,610 | (35,274)
Gain from bargain purchase (Note 9.3) |  | 416,268 |  |
Reimbursement of natural gas loss in the process |  |  | 26,945 |
Gain on compensation claims |  |  |  | 50,284
Net effect of legal proceedings |  | (263,945) | (32,704) | (105,153)
Depreciation of right-of-use |  |  | (100,593) | (40,545)
Disposal of credit rights |  |  | (68,311) | 410,000
Change in fair value of investment properties (note 11.5) |  | 17,116 |  |
Loss on impairment (Note 12.2) |  |  | (143,984) |
Other |  | (90,425) | 54,011 | (40,024)
Other (expense) income, net |  | R$ 382,600 | R$ 176,869 | R$ 404,686
[1] | Effect referring to the reversal of lease liabilities in dispute registered, related to labor credits from lawsuits for return, of subsidiary Rumo in the amount of R$52,963; and waiver of administrative and regulatory proceedings contemplated in the 7 th Addendum to the Concession Agreement Renewal of the concession agreement of subsidiary Comgás in the amount of (R$43,721).

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