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Employee Benefits (Details) - Schedule of Compliance Bonuses Provision - CLP ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Schedule of Compliance Bonuses Provision [Abstract] |  |
Balances as of January 1 | $ 73,204 | $ 53,069
Net provisions established | 58,135 | 66,818
Provisions used | (60,237) | (46,683)
Total | $ 71,102 | $ 73,204

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- Definition Amount of compliance bonuses provision. + References No definition available. + Details
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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of compliance bonuses provision net. + References No definition available. + Details
Name: | bch_ComplianceBonusesProvisionNet
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of net provision established amount. + References No definition available. + Details
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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of provisions used amount compliance. + References No definition available. + Details
Name: | bch_ProvisionsUsedAmountCompliance
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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