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Financial Liabilities at Amortized Cost - Schedule of Current Accounts and Other Demand Deposits (Details) - CLP ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Schedule of Current Accounts and Other Demand Deposits [Abstract] |  |
Current accounts | $ 11,769,419 | $ 11,025,685
Other demand obligations | 1,750,048 | 1,573,962
Demand deposits accounts | 652,075 | 625,923
Other demand deposits | 459,255 | 445,223
Total | $ 14,630,797 | $ 13,670,793

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

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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 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + 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 2024-01-01 -Paragraph 78 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_78_b&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_OtherCurrentReceivables
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant