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Financial Assets at Fair Value through Other Comprehensive Income (Details Textual) - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure of financial assets [line items] |  |  |
Assets | $ 1,366,343 | $ 1,053,191 |
Assets instruments Available-for Sale |  |  |
Disclosure of financial assets [line items] |  |  |
Net unrealized gain recorded in other comprehensive income for available for sale securities |  |  | $ 9,521
Assets instruments Available-for Sale | Other Instruments Sold Under Repurchase Agreements | Instruments Issued By Chilean Government And Central Bank [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Assets |  | $ 5,177 |
Repurchase agreement expiration period |  | 3 days |
Debt Instruments Valued At Fair Value |  |  |
Disclosure of financial assets [line items] |  |  |
Assets | 1,357,846 | $ 1,043,440 |
Net unrealized gain recorded in other comprehensive income for available for sale securities | 15,290 | 3,649 |
Impairment of financial assets | 7,736 | 4,268 |
Debt Instruments Valued At Fair Value | Fair Value |  |  |
Disclosure of financial assets [line items] |  |  |
Net unrealized gain recorded in other comprehensive income for available for sale securities |  |  |
Impairment of financial assets |  |  |
Debt Instruments Valued At Fair Value | Other Instruments Sold Under Repurchase Agreements | Instruments Issued By Chilean Government And Central Bank [Member] |  |  |
Disclosure of financial assets [line items] |  |  |
Assets |  | $ 6,965 |
Repurchase agreement expiration period | 0 days | 3 days |
Financial Assets Availableforsale Category |  |  |
Disclosure of financial assets [line items] |  |  |
Realized gains reclassified to the income statement | $ 4,716 | $ 400 | $ 5,149

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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 2019-01-01 -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 2019-03-27 + 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 2019-01-01 -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 2019-03-27 + Details
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