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Equity (Details Textual) - CLP ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Apr. 30, 2018	Dec. 31, 2017	Dec. 31, 2016
EQUITY
Shares outstanding	188,446,126,794	188,446,126,794		188,446,126,794	188,446,126,794
Increase in capital	$ 891,303
Percentage of capitalization earnings			40.00%
Retained earnings to reserves	236,761	$ 141,204		$ 141,706
Negative equity effect	$ 37,041

X

- Definition

Recorded negative equity effect.

+ References

No definition available.

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- Definition

It refers to the percentage of capitalization earnings.

+ References

No definition available.

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X

- Definition

Amount of retained earnings to reserves value.

+ References

No definition available.

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- References

No definition available.

+ Details

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X

- Definition

The increase in equity through the issue of equity instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 106
-Subparagraph d
-Clause iii
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_106_d_iii&doctype=Standard
-URIDate 2019-03-27

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- Definition

The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 79
-Subparagraph a
-Clause iv
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_79_a_iv&doctype=Standard
-URIDate 2019-03-27

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