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Trade receivables (Details 3) - BRL (R$) R$ in Thousands | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023
Trade Receivables |  |
Write-offs | R$ (190,285) | R$ (190,138)
(Losses)/reversal with state entities – related parties | (580) | (743)
(Losses)/reversal with the private sector/government entities | (40,097) | 8,449
Recoveries | 40,444 | 19,627
Amount recorded as expense (Note 27) | R$ (190,518) | R$ (162,805)

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