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Employee benefits - Remeasurement of the fair value of plans (Details) - ADR	12 Months Ended
	Dec. 31, 2021 USD ($) R$ / shares	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2021 $ / shares
Disclosure of significant unobservable inputs used in fair value measurement of equity [line items]
Share price per share | (per share)	R$ 109.02			$ 20.12
Number of shares granted	1,046,255	2,154,534	1,222,721
Period of service required	3 years

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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.

+ References

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- Definition

The number of share options granted in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
-Subparagraph b
-Clause ii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_ii&doctype=Standard
-URIDate 2021-03-24

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- Definition

Price of a single share of a number of saleable stocks of a company.

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- Definition

Period period of service required, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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