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Trade accounts receivables - Breakdown of balances (Details) - Trade accounts receivable - BRL (R$) R$ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
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Trade Accounts Receivables [Line Items] |  |
Current financial assets | R$ 6,354,237 | R$ 9,132,860
Factoring of receivables [member] |  |
Trade Accounts Receivables [Line Items] |  |
Current financial assets | 6,364,876 | 6,821,539
Expected credit losses |  |
Trade Accounts Receivables [Line Items] |  |
Current financial assets | (34,242) | (30,300)
Country of domicile | Accumulated cost | Third party |  |
Trade Accounts Receivables [Line Items] |  |
Current financial assets | 1,768,988 | 1,989,455
Country of domicile | Accumulated cost | Total for all related parties |  |
Trade Accounts Receivables [Line Items] |  |
Current financial assets | 79,826 | 83,343
Foreign countries | Accumulated cost | Third party |  |
Trade Accounts Receivables [Line Items] |  |
Current financial assets | 4,539,485 | 7,090,160
Foreign countries | Accumulated cost | Total for all related parties |  |
Trade Accounts Receivables [Line Items] |  |
Current financial assets | R$ 180 | R$ 202

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- Definition The amount of current financial assets. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_25&doctype=Standard -URIDate 2024-03-27 + Details
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