Financial instruments by category (Details 1) - BRL (R$) R$ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Amortized cost:
Cash and cash equivalents	R$ 1,794,362	R$ 1,640,065	R$ 1,403,955	R$ 2,763,050
Accounts receivables	23,657,402	16,076,540
Other receivables	206,486	164,805
Judicial deposits	40,224	7,449
Investment	1,406	1,400
Fair value through other comprehensive income
Financial investments	782,647	979,837
Financial assets total	R$ 26,482,527	R$ 18,870,096

The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

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The amount of current investments.

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The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities]

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The amount of investments other than investments accounted for using the equity method. [Refer: Investments accounted for using equity method]

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The amount receivable by the entity that it does not separately disclose in the same statement or note.

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The amount of trade receivables and other receivables. [Refer: Trade receivables; Other receivables]

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Amortized costs Financial Instruments

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Judicial deposits

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