Other Gains (Losses) (Details Textual) - CLP ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Derivatives [member]
Disclosure of other gains losses [Line Items]
Payments from contracts held for dealing or trading purpose	$ 2,404,593	$ 8,184,537	$ 7,508,815

The cash outflow for contracts held for dealing or trading purposes.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 7
-IssueDate 2020-01-01
-Paragraph 14
-Subparagraph g
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_14_g&doctype=Standard
-URIDate 2020-01-01

Name:	ifrs-full_PaymentsFromContractsHeldForDealingOrTradingPurpose
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration