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Provision for Dividends - Schedule of Provisions for Dividends (Details) - CLP ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Schedule of Provisions for Dividends [Abstract] |  |
Provisions for dividends | $ 362,218 | $ 373,090
Total | $ 362,218 | $ 373,090

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- Definition Amount of provisions for dividends. + References No definition available. + Details
Name: | bch_ProvisionsForDividends
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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- Definition The amount of current provisions, including provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 54 -Subparagraph l -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_54_l&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_CurrentProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant