Summary of significant accounting policies (Details 3) - Argentina Consumer Price [Member]	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement [Line Items]
Level of price index	578.87	384.01	284.14
Price index movements	50.0	35.5	54.2

The value of the level of the general price index used to restate financial statement information of an entity whose functional currency is the currency of a hyperinflationary economy.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 29
-IssueDate 2021-01-01
-Paragraph 39
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=29&code=ifrs-tx-2021-en-r&anchor=para_39_c&doctype=Standard
-URIDate 2021-03-24

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant