Other Gains (Losses) (Details Textual) - CLP ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Derivatives [member]
Disclosure of other gains losses [Line Items]
Payments from contracts held for dealing or trading purpose	$ 11,391,103	$ 9,698,871	$ 5,419,700

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 2017-01-01
-Paragraph 14
-Subparagraph g
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=para_14_g&doctype=Standard
-URIDate 2017-03-09

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