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Related Party Transactions (Details) - Schedule of payments and composition of key management personnel $ in Millions | 12 Months Ended
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Dec. 31, 2020 CLP ($) | Dec. 31, 2019 CLP ($) | Dec. 31, 2018 CLP ($)
Related Party Transactions (Details) - Schedule of payments and composition of key management personnel [Line Items] |  |  |  |
Personnel remunerations |  | $ 3,918 | $ 4,148 | $ 3,926
Short-term benefits |  | 3,642 | 3,255 | 3,476
Severance pay |  | 1,550 | 1,264 | 1,037
Directors’ remunerations and fees | [1] | 2,795 | 2,509 | 2,511
Total |  | $ 11,905 | $ 11,176 | $ 10,950
Total number of executives |  | 40 | 39 |
CEO [Member] |  |  |  |
Related Party Transactions (Details) - Schedule of payments and composition of key management personnel [Line Items] |  |  |  |
Total number of executives |  | 1 | 1 |
CEOs of subsidiaries [Member] |  |  |  |
Related Party Transactions (Details) - Schedule of payments and composition of key management personnel [Line Items] |  |  |  |
Total number of executives |  | 6 | 6 |
Division Managers [Member] |  |  |  |
Related Party Transactions (Details) - Schedule of payments and composition of key management personnel [Line Items] |  |  |  |
Total number of executives |  | 14 | 13 |
Directors Bank and subsidiaries [Member] |  |  |  |
Related Party Transactions (Details) - Schedule of payments and composition of key management personnel [Line Items] |  |  |  |
Total number of executives |  | 19 | 19 |
[1] | It includes fees paid to members of the Advisory Committee of Banchile Corredores de Seguros Ltda, of Ch$14 million (Ch$13 million in December 2019 and Ch$12 million in December 2018).

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- Definition The amount represents the remuneration of Key management personnel severance pay. + References No definition available. + Details
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- Definition The amount of remuneration paid or payable to the entity's directors. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2020-01-01 -Paragraph 17 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2020-en-r&anchor=para_17&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2020-01-01 -Paragraph 17 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2020-en-r&anchor=para_17_a&doctype=Standard -URIDate 2020-01-01 + Details
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