Summary of significant accounting policies (Details 1) - CLP ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Summary Of Significant Accounting Policies [Abstract]
Gains (losses) derived from net monetary position	$ 3,115,880	$ (366,955)	$ (6,433,651)

The gains (losses) representing the difference resulting from the restatement of non-monetary assets, owners' equity and items in the statement of comprehensive income and the adjustment of index linked assets and liabilities in hyperinflationary reporting.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 29
-IssueDate 2021-01-01
-Paragraph 9
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=29&code=ifrs-tx-2021-en-r&anchor=para_9&doctype=Standard
-URIDate 2021-03-24

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