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Debt Issued (Details Textual) - CLP ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Debt Issued (Textual)
Proceeds from bond issuances	$ 2,625,176	$ 2,157,587	$ 1,399,001
Short-Term Bonds [Member]
Debt Issued (Textual)
Proceeds from bond issuances	944,413	940,720
Current Bonds [Member]
Debt Issued (Textual)
Proceeds from bond issuances	1,465,406	$ 1,216,867
Subordinated Bonds [Member]
Debt Issued (Textual)
Proceeds from bond issuances	$ 215,357

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- Definition

The cash inflow from the issuing of bonds, notes and debentures.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 7
-IssueDate 2019-01-01
-Paragraph 17
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_17&doctype=Standard
-URIDate 2019-03-27

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