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Financial Assets at Fair Value through Other Comprehensive Income (Details) - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Debt Instruments Valued At Fair Value [Member] |  |  |
Financial Assets at Fair Value through Other Comprehensive Income (Details) [Line Items] |  |  |
Net unrealized gain recorded in other comprehensive income for available for sale securities | $ 9,054 | $ 15,290 |
Impairment of financial assets | 3,084 | 7,736 |
Debt Instruments Valued At Fair Value [Member] | Instruments issued by the Chilean Governments and Central Bank of Chile [Member] | Other Instruments Sold Under Repurchase Agreements [Member] |  |  |
Financial Assets at Fair Value through Other Comprehensive Income (Details) [Line Items] |  |  |
Assets | $ 13,268 |  |
Repurchase agreement expiration period | 5 days |  |
Financial Assets Availableforsale Category [Member] |  |  |
Financial Assets at Fair Value through Other Comprehensive Income (Details) [Line Items] |  |  |
Realized gains reclassified to the income statement | $ 22,735 | $ 4,716 | $ 400

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- Definition The amount of non-derivative financial assets that are designated as available for sale or are not classified as (a) loans and receivables; (b) held-to-maturity investments; or (c) financial assets at fair value through profit or loss. [Refer: Derivative financial assets; Financial assets at fair value through profit or loss; Held-to-maturity investments] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph 8 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_8_d&doctype=Standard&book=b -URIDate 2020-01-01 + Details
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- Definition The gains (losses) recognised in profit or loss on financial assets reclassified out of the available-for-sale category. [Refer: Financial assets available-for-sale; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph 12A -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_12A_e&doctype=Standard&book=b -URIDate 2020-01-01 + Details
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- Definition The amount of impairment loss on financial assets. [Refer: Financial assets; Impairment loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph 20 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_20_e&doctype=Standard&book=b -URIDate 2020-01-01 + Details
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