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Derivative Instruments and Accounting Hedges - Fair Value Hedges (Details) - Fair value hedge - CLP ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
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Cross currency swap |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Notional Amounts | $ 8,166 | $ 11,132
Interest rate swap |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Notional Amounts | 86,317 | 226,954
Commercial loans |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Notional Amounts | 8,166 | 11,132
Corporate bonds |  |
Disclosure of detailed information about hedging instruments [line items] |  |
Notional Amounts | $ 86,317 | $ 226,954

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- Definition The nominal or face amount of a financial instrument, used to calculate payments made on that instrument. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard -URIDate 2019-03-27 + Details
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