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Provisions (Details) - Schedule of changes in provision - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Provisions (Details) - Schedule of changes in provision [Line Items] |  |
Beginning Balance | $ 203,374 | $ 203,946
Provisions established | 212,148 | 177,935
Provisions used | (177,902) | (178,507)
Provisions released |  |
Ending Balance | 237,620 | 203,374
Minimum dividends [Member] |  |
Provisions (Details) - Schedule of changes in provision [Line Items] |  |
Beginning Balance | 177,902 | 178,462
Provisions established | 138,932 | 177,902
Provisions used | (177,902) | (178,462)
Provisions released |  |
Ending Balance | 138,932 | 177,902
Contingent loan risks [Member] |  |
Provisions (Details) - Schedule of changes in provision [Line Items] |  |
Beginning Balance | 24,971 | 25,016
Provisions established | 73,210 |
Provisions used |  | (45)
Provisions released |  |
Ending Balance | 98,181 | 24,971
Other [Member] |  |
Provisions (Details) - Schedule of changes in provision [Line Items] |  |
Beginning Balance | 501 | 468
Provisions established | 6 | 33
Provisions used |  |
Provisions released |  |
Ending Balance | $ 507 | $ 501

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- Definition The amount recognised for new other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 37 -IssueDate 2020-01-01 -Paragraph 84 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_84_b&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount of provisions other than provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2020-01-01 -Paragraph 84 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_84_a&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 78 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_78_d&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount used (ie incurred and charged against the provision) for other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2020-01-01 -Paragraph 84 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_84_c&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The amount reversed for unused other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2020-01-01 -Paragraph 84 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_84_d&doctype=Standard -URIDate 2020-01-01 + Details
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