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Share-based payment - Main characteristics of the Plans (Details)					12 Months Ended
	Jul. 09, 2020 USD ($) R$ / shares	Feb. 15, 2018 USD ($) R$ / shares	Sep. 30, 2016 USD ($) R$ / shares	Feb. 24, 2012 USD ($) R$ / shares	Dec. 31, 2021 USD ($) R$ / shares shares	Dec. 31, 2020 USD ($) R$ / shares	Dec. 31, 2019 USD ($) R$ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items]
Maximum terms of options					3 years
Total number shares granted | $					4,762,800	17,858,700	900,000
Average Strike Price					R$ 4.06	R$ 3.06	R$ 0.27
Plan 2
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of tranches covered in plan					3
Number of awards authorized | shares					1,699,470
Unit value of options					R$ 3.69
Minimum period of restrictions for exercised options					5 years
Total number shares granted | $				30,590,460
Vesting				5 years
Average Strike Price				R$ 0.21
Plan 3
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of awards authorized | shares					3,384,000
Number of vesting periods					5
Strike price					R$ 4.62
Total number shares granted | $			10,584,000		648,000
Vesting			5 years
Average Strike Price			R$ 0.26
Plan 4 (tranche 1)
Disclosure of terms and conditions of share-based payment arrangement [line items]
Total number shares granted | $		32,714,784				2,880,000	900,000
Vesting		5 years
Average Strike Price		R$ 0.21
Plan 4 (tranche 2)
Disclosure of terms and conditions of share-based payment arrangement [line items]
Maximum terms of options					3 years
Total number shares granted | $	19,093,500				4,114,800	14,978,700
Vesting	5 years
Average Strike Price	R$ 3.60

X

- Definition

Period which the right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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- Definition

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- Definition

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- Definition

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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- Definition

The exercise price of share options granted.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 47
-Subparagraph a
-Clause i
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
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- Definition

The weighted average exercise price of share options granted in a share-based payment arrangement. [Refer: Weighted average [member]]

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
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