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Debt Issued (Details Textual) - CLP ($) $ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Debt Issued (Textual) |  |  |
Proceeds from bond issuances | $ 2,625,176 | $ 2,157,587 | $ 1,399,001
Short-Term Bonds [Member] |  |  |
Debt Issued (Textual) |  |  |
Proceeds from bond issuances | 944,413 | 940,720 |
Current Bonds [Member] |  |  |
Debt Issued (Textual) |  |  |
Proceeds from bond issuances | 1,465,406 | $ 1,216,867 |
Subordinated Bonds [Member] |  |  |
Debt Issued (Textual) |  |  |
Proceeds from bond issuances | $ 215,357 |  |

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- Definition The cash inflow from the issuing of bonds, notes and debentures. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2019-01-01 -Paragraph 17 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_17&doctype=Standard -URIDate 2019-03-27 + Details
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- Details
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