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Provisions (Details) - Schedule of provisions $ in Thousands, $ in Millions | Dec. 31, 2021 CLP ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CLP ($)
--- | --- | --- | ---
Schedule of provisions [Abstract] |  |  |
Provision for minimum dividends | $ 237,877 |  | $ 138,932
Provisions for contingent loan risks | 93,049 |  | 98,181
Provisions for other contingencies | 958 |  | 507
Total | $ 331,884 | $ 389,247 | $ 237,620

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- Definition Provision for minimum dividends. + References No definition available. + Details
Name: | bch_ProvisionForMinimumDividends
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Provisions for contingent loan risks. + References No definition available. + Details
Name: | bch_ProvisionsForContingentLoanRisks
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Provisions for other contingencies. + References No definition available. + Details
Name: | bch_ProvisionsForOtherContingencies
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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- Definition The amount of liabilities of uncertain timing or amount, including provisions for employee benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph l -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_l&doctype=Standard -URIDate 2021-03-24 + Details
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Data Type: | xbrli:monetaryItemType
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Period Type: | instant