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Borrowings from Financial Institutions (Details) $ in Thousands, $ in Millions | Dec. 31, 2017 USD ($) | Dec. 31, 2017 CLP ($) | Dec. 31, 2016 CLP ($)
--- | --- | --- | ---
Borrowings from Financial Institutions |  |  |
Domestic banks - inter-bank loans |  | $ 1,100 |
Total borrowings from domestic banks |  | 1,100 |
Foreign banks - trade financing - Chilean export financing |  | 1,064,435 | $ 905,874
Foreign banks - trade financing - Chilean import financing |  | 23,064 | 20,317
Foreign banks - borrowings and other obligations - current account overdrafts |  | 13,745 | 12,947
Foreign banks - borrowings and other obligations - long term borrowings |  | 92,683 | 100,885
Total borrowings from foreign banks |  | 1,193,927 | 1,040,023
Chilean Central Bank - borrowings and other obligations - debt reprogramming credit lines |  | 1 | 3
Total borrowings from Chilean Central Bank |  | 1 | 3
Total Borrowings from Financial Institutions | $ 1,941,777 | $ 1,195,028 | $ 1,040,026

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- Definition Represents the amount of debt reprogramming credit lines from the Central Bank. + References No definition available. + Details
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- Definition Represents the amount of borrowings from domestic banks. + References No definition available. + Details
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- Definition Represents the amount of domestic inter-bank loans. + References No definition available. + Details
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- Definition Represents the amount of borrowings from foreign banks. + References No definition available. + Details
Name: | bch_ForeignBankBorrowings
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- Definition Represents the amount of current account overdrafts from foreign banks. + References No definition available. + Details
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- Definition Represents the amount of long term borrowings from banks. + References No definition available. + Details
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- Definition Represents the amount of borrowings from foreign banks for financing exports. + References No definition available. + Details
Name: | bch_ForeignBanksExportFinancing
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Represents the amount of borrowings from foreign banks for financing imports. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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- Definition The amount of liabilities due to central banks. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of loans received. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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