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v3.22.1

Contract assets (Details Narrative) | 12 Months Ended
--- | ---
Dec. 31, 2021 BRL (R$)
IfrsStatementLineItems [Line Items] |
Estimated efficiency gain | R$ 217,651
Gain on periodic tariff | 52,277
Gain on partial claim | 24,804
Efficiency gains in the construction of reinforcements and improvement | 48,618
R B S E Assets [Member] |
IfrsStatementLineItems [Line Items] |
Impact of the tariff review | R$ 91,952

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