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Intangible Assets - Individual Business Segments (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2019 CLP ($) Segment | Dec. 31, 2018 CLP ($) Segment
Disclosure of detailed information about intangible assets [line items] |  |
Number of business segments | Segment | 4 | 4
Goodwill |  | $ 85,471
Individual Business Segments |  |
Disclosure of detailed information about intangible assets [line items] |  |
Goodwill | $ 16,714 | 16,714
Individual Business Segments | Retail |  |
Disclosure of detailed information about intangible assets [line items] |  |
Goodwill | 5,928 | 5,928
Individual Business Segments | Wholesale |  |
Disclosure of detailed information about intangible assets [line items] |  |
Goodwill | 2,135 | 2,135
Individual Business Segments | Treasury and money market operations |  |
Disclosure of detailed information about intangible assets [line items] |  |
Goodwill | 4,513 | 4,513
Individual Business Segments | Subsidiaries |  |
Disclosure of detailed information about intangible assets [line items] |  |
Goodwill | $ 4,138 | $ 4,138

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- Definition The amount of assets representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognised. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2019-01-01 -Paragraph B67 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2019-en-r&anchor=para_B67_d&doctype=Appendix&subtype=B -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2019-01-01 -Paragraph 134 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2019-en-r&anchor=para_134_a&doctype=Standard -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2019-01-01 -Paragraph 135 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2019-en-r&anchor=para_135_a&doctype=Standard -URIDate 2019-03-27 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 54 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_54_c&doctype=Standard -URIDate 2019-03-27 + Details
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