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Provisions - Changes in Provisions (Details) $ in Thousands, $ in Millions | 12 Months Ended
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Dec. 31, 2018 USD ($) | Dec. 31, 2018 CLP ($) | Dec. 31, 2017 CLP ($)
Changes in provisions |  |  |
Beginning Balance |  | $ 194,537 | $ 187,568
Provisions established |  | 180,506 | 172,804
Provisions used |  | (192,151) | (165,675)
Provisions released |  | (1,921) | (160)
Ending Balance | $ 294,040 | 203,946 | 194,537
Impairment of losses |  |  |
Foreign office guarantees and standby letters of credit |  | 341,676 | 285,035
Confirmed foreign letters of credit |  | 56,764 | 64,970
Issued foreign letters of credit |  | 388,396 | 94,313
Performance guarantees |  | 2,232,682 | 2,220,828
Undrawn credit lines |  | 7,769,325 | 7,240,406
Total |  | 31,840,465 | 31,004,741
Minimum dividends |  |  |
Changes in provisions |  |  |
Beginning Balance |  | 172,804 | 165,675
Provisions established |  | 178,462 | 172,804
Provisions used |  | (172,804) | (165,675)
Ending Balance |  | 178,462 | 172,804
Provisions for contingent loan risks |  |  |
Changes in provisions |  |  |
Provisions established |  | 2,041 |
Ending Balance |  | 25,016 |
Impairment of losses |  |  |
Foreign office guarantees and standby letters of credit |  | 428 |
Confirmed foreign letters of credit |  | 29 |
Issued foreign letters of credit |  | 93 |
Performance guarantees |  | 4,080 |
Undrawn credit lines |  | 20,386 |
Total |  | 25,016 |
Contingencies |  |  |
Changes in provisions |  |  |
Beginning Balance |  | 21,733 | 21,893
Provisions established |  | 3 |
Provisions used |  | (19,347) |
Provisions released |  | (1,921) | (160)
Ending Balance |  | $ 468 | $ 21,733

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- Definition Amount of contingent liabilities related to confirmed foreign letters of credit. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of contingent liabilities related to foreign office guarantees and standby letters of credit. + References No definition available. + Details
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- Definition No definition available.. + References No definition available. + Details
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- Definition Amount of contingent liabilities related to Issued foreign letters of credit. + References No definition available. + Details
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- Definition The amount of contingent liabilities relating to performance guarantees. + References No definition available. + Details
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Balance Type: | credit
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- Definition The amount of contingent liabilities related to undrawn credit lines. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition The amount of the estimated financial effect of contingent liabilities. [Refer: Contingent liabilities [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2018-01-01 -Paragraph 86 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2018-03-01&anchor=para_86_a&doctype=Standard -URIDate 2018-03-16 + Details
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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 2018-01-01 -Paragraph 84 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2018-03-01&anchor=para_84_b&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount used (ie incurrent 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 2018-01-01 -Paragraph 84 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2018-03-01&anchor=para_84_c&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of liabilities of uncertain timing or amount. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 54 -Subparagraph l -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_54_l&doctype=Standard -URIDate 2018-03-16 + 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 2018-01-01 -Paragraph 84 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2018-03-01&anchor=para_84_d&doctype=Standard -URIDate 2018-03-16 + Details
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- Details
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- Details
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- Details
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