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Financial Liabilities at Amortized Cost (Details) - Schedule of current accounts and other demand deposits - CLP ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Schedule of Current Accounts and Other Demand Deposits [Abstract] |  |
Current accounts | $ 11,172,137 | $ 15,349,224
Other demand obligations | 1,375,631 | 1,552,280
Demand deposits accounts | 657,057 | 952,621
Other demand deposits | 387,330 | 688,666
Total | $ 13,592,155 | $ 18,542,791

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- Definition The amount of other demand deposits. + References No definition available. + Details
Name: | bch_OtherDemandDeposits
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Demand Obligation means any Senior Lien Obligation the principal of which is payable by the Authority on demand of the owner or holder thereof. + References No definition available. + Details
Name: | bch_OtherDemandObligations
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
Name: | bch_ScheduleOfCurrentAccountsAndOtherDemandDepositsAbstract
Namespace Prefix: | bch_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Total current account and other demand account. + References No definition available. + Details
Name: | bch_TotalCurrentAccount
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The amount of balances in customers' demand deposits held by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_112_c&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_BalancesOnDemandDepositsFromCustomers
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of current other receivables. [Refer: Other receivables] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 78 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_78_b&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_OtherCurrentReceivables
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant