Business combinations and capital reorganization (Details Textuals) - BRL (R$)	8 Months Ended	12 Months Ended
Aug. 31, 2022	Dec. 31, 2022
Disclosure of detailed information about business combination [line items]
Revenue of acquiree since acquisition date		R$ 6,905
Profit (loss) of acquiree since acquisition date		1,914
Revenue of combined entity as if combination occurred at beginning of period		274,184
Profit (loss) of combined entity as if combination occurred at beginning of period		R$ 330,788
Zetta Health Analytics SA
Disclosure of detailed information about business combination [line items]
Contingent purchase price payable date	April 1, 2025
Contingent consideration milestone condtion	certain metrics related to accumulated gross sales
Preliminary goodwill recognized amounts	R$ 48,742

The description of the basis for determining the amount of the payment for contingent consideration arrangements and indemnification assets.

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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The amount recognised as of the business combination's acquisition date for goodwill. [Refer: Goodwill; Business combinations [member]]

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The profit (loss) of the acquiree, since the acquisition date, included in the consolidated statement of comprehensive income. [Refer: Profit (loss)]

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The profit (loss) of the combined entity as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period. [Refer: Business combinations [member]; Profit (loss)]

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The amount of revenue of the acquiree since the acquisition date included in the consolidated statement of comprehensive income. [Refer: Revenue]

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The revenue of the combined entity as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period. [Refer: Business combinations [member]; Revenue]

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Represents the contingent purchase price payable date.

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