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Fair Value of Financial Assets and Liabilities-Transfers between levels (Details) - Instruments issued by the Chilean Government and Central Bank - CLP ($) $ in Millions | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Financial assets held-for-trading |  |
Transfers between levels |  |
Transfers from level 1 to level 2 | $ 4,688 |
Transfers from level 2 to level 1 | 3,498 |
Financial assets available-for-sale |  |
Transfers between levels |  |
Transfers from level 2 to level 1 | $ 4,373 | $ 15,217

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- Definition The amount of transfers out of Level 1 and into Level 2 of the fair value hierarchy of assets held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2017-01-01 -Paragraph 93 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=13&date=2017-03-01&anchor=para_93_c&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of transfers out of Level 2 and into Level 1 of the fair value hierarchy of assets held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2017-01-01 -Paragraph 93 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=13&date=2017-03-01&anchor=para_93_c&doctype=Standard -URIDate 2017-03-09 + Details
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