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Consolidated statement of cash flows (Parenthetical) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
North South Railroad Concession Agreement [Member] |  |  |
Statement [LineItems] |  |  |
Right-of-use assets recognized | R$ 104,840 | R$ 3,522,469 |
Construction in progress [member] |  |  |
Statement [LineItems] |  |  |
Payment for acquisition of assets in installments | 263,143 | 297,002 | R$ 176,632
Companhia de Gas de Sao Paulo - COMGAS [member] |  |  |
Statement [LineItems] |  |  |
Non-cash payment of annual adjustment for previous fiscal year |  | 262,843 |
Payly Solucoes de Pagamentos SA [Member] |  |  |
Statement [LineItems] |  |  |
Capital contribution capitalization of expenses | R$ 3,750 | R$ 10,000 |

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