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Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of credit ratings of the issuers of debt instruments - Debt Instruments Valued At Fair Value - CLP ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of credit ratings of the issuers of debt instruments [Line Items] |  |
Financial assets at fair value through other comprehensive income | $ 1,060,523 | $ 1,357,846
Stage 1 - Individual [Member] |  |
Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of credit ratings of the issuers of debt instruments [Line Items] |  |
Financial assets at fair value through other comprehensive income | 1,060,307 | 1,357,846
Stage 2 - Individual [Member] |  |
Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of credit ratings of the issuers of debt instruments [Line Items] |  |
Financial assets at fair value through other comprehensive income | 216 |
Stage 3 - Individual [Member] |  |
Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of credit ratings of the issuers of debt instruments [Line Items] |  |
Financial assets at fair value through other comprehensive income |  |
Investment Grade [Member] |  |
Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of credit ratings of the issuers of debt instruments [Line Items] |  |
Financial assets at fair value through other comprehensive income | 1,028,181 | 1,269,516
Investment Grade [Member] | Stage 1 - Individual [Member] |  |
Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of credit ratings of the issuers of debt instruments [Line Items] |  |
Financial assets at fair value through other comprehensive income | 1,027,965 | 1,269,516
Investment Grade [Member] | Stage 2 - Individual [Member] |  |
Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of credit ratings of the issuers of debt instruments [Line Items] |  |
Financial assets at fair value through other comprehensive income | 216 |
Investment Grade [Member] | Stage 3 - Individual [Member] |  |
Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of credit ratings of the issuers of debt instruments [Line Items] |  |
Financial assets at fair value through other comprehensive income |  |
Non-investment grade [Member] |  |
Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of credit ratings of the issuers of debt instruments [Line Items] |  |
Financial assets at fair value through other comprehensive income |  |
Non-investment grade [Member] | Stage 1 - Individual [Member] |  |
Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of credit ratings of the issuers of debt instruments [Line Items] |  |
Financial assets at fair value through other comprehensive income |  |
Non-investment grade [Member] | Stage 2 - Individual [Member] |  |
Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of credit ratings of the issuers of debt instruments [Line Items] |  |
Financial assets at fair value through other comprehensive income |  |
Non-investment grade [Member] | Stage 3 - Individual [Member] |  |
Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of credit ratings of the issuers of debt instruments [Line Items] |  |
Financial assets at fair value through other comprehensive income |  |
Without Rating [Member] |  |
Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of credit ratings of the issuers of debt instruments [Line Items] |  |
Financial assets at fair value through other comprehensive income | 32,342 | 88,330
Without Rating [Member] | Stage 1 - Individual [Member] |  |
Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of credit ratings of the issuers of debt instruments [Line Items] |  |
Financial assets at fair value through other comprehensive income | 32,342 | 88,330
Without Rating [Member] | Stage 2 - Individual [Member] |  |
Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of credit ratings of the issuers of debt instruments [Line Items] |  |
Financial assets at fair value through other comprehensive income |  |
Without Rating [Member] | Stage 3 - Individual [Member] |  |
Financial Assets at Fair Value through Other Comprehensive Income (Details) - Schedule of credit ratings of the issuers of debt instruments [Line Items] |  |
Financial assets at fair value through other comprehensive income |  |

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- Definition The amount of financial assets at fair value through other comprehensive income. [Refer: At fair value [member]; Financial assets; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph 8 -Subparagraph h -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_8_h&doctype=Standard -URIDate 2020-01-01 + Details
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