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Financial Assets Held-for-Trading (Details) - CLP ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Financial Assets Held-for-Trading (Details) [Line Items]
Technical reserve	$ 2,986,000	$ 699,400
Financial assets held-for-trading [Member] | Mortgage financial bonds [Member]
Financial Assets Held-for-Trading (Details) [Line Items]
Financial asset classified as held for trading which is presented as a reduction in debt issued	5,156	8,029
Financial assets held-for-trading [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Other instruments with repurchase agreements [Member]
Financial Assets Held-for-Trading (Details) [Line Items]
Financial assets at fair value through profit or loss, classified as held for trading	217,614	15,243
Financial assets held-for-trading [Member] | Other instruments issued in Chile [Member] | Other instruments with repurchase agreements [Member]
Financial Assets Held-for-Trading (Details) [Line Items]
Financial assets at fair value through profit or loss, classified as held for trading	$ 52,809	251,158
Comder Contraparte Central S.A [Member] | Financial assets held-for-trading [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Other instruments [Member]
Financial Assets Held-for-Trading (Details) [Line Items]
Amount of other financial instruments maintained as collateral guaranteeing derivative contracts		$ 57,639

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- Definition

This represents the amount of financial instruments which are considered as collateral guarantee by executing the derivative contracts

+ References

No definition available.

+ Details

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- Definition

Financial asset classified as held for trading which is presented as a reduction in debt issued.

+ References

No definition available.

+ Details

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- References

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- Definition

Technical reserve.

+ References

No definition available.

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- Definition

The amount of financial assets at fair value through profit or loss classified as held for trading. A financial asset is classified as held for trading if: (a) it is acquired principally for the purpose of selling it in the near term; (b) on initial recognition it is part of a portfolio of identified financial instruments that are managed together and for which there is evidence of a recent actual pattern of short-term profit-taking; or (c) it is a derivative (except for a derivative that is a financial guarantee contract or a designated and effective hedging instrument). [Refer: At fair value [member]; Financial assets at fair value through profit or loss]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_55&doctype=Standard
-URIDate 2020-01-01

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Note Expiry date 2021-01-01
-Name IFRS
-Number 7
-IssueDate 2020-01-01
-Paragraph 8
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_8_a&doctype=Standard&book=b
-URIDate 2020-01-01

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