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Provisions for Contingent Loans Credit Risk (Details) - Schedule of Credit Risk for Contingent Loans - CLP ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Outstanding Exposure [Member] |  |
Schedule of Credit Risk for Contingent Loans [Line Items] |  |
Warranty by endorsement and sureties | $ 351,531 | $ 348,774
Confirmed foreign letters of credit | 83,392 | 120,971
Issued foreign letters of credit | 267,212 | 303,224
Performance guarantees | 2,640,297 | 2,697,608
Undrawn credit lines | 10,084,458 | 9,347,863
Other commitments | 120,545 | 72,355
Total | 13,547,435 | 12,890,795
Expected Credit Loss [Member] |  |
Schedule of Credit Risk for Contingent Loans [Line Items] |  |
Warranty by endorsement and sureties | 1,576 | 8,690
Confirmed foreign letters of credit | 43 | 107
Issued foreign letters of credit | 285 | 468
Performance guarantees | 20,565 | 24,205
Undrawn credit lines | 66,747 | 109,849
Other commitments | 424 | 170
Total | $ 89,640 | $ 143,489

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- Definition Amount of contingent liabilities related to confirmed foreign letters of credit. + References No definition available. + Details
Name: | bch_ConfirmedForeignLettersOfCredit
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of contingent liabilities related to Issued foreign letters of credit. + References No definition available. + Details
Name: | bch_IssuedForeignLettersOfCredit
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of contingent liabilities related to other commitments. + References No definition available. + Details
Name: | bch_OtherCommitments
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of contingent liabilities relating to performance guarantees. + References No definition available. + Details
Name: | bch_PerformanceGuarantees
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition The amount of contingent liabilities related to undrawn credit lines. + References No definition available. + Details
Name: | bch_UndrawnCreditLines
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Warranty by endorsement and sureties. + References No definition available. + Details
Name: | bch_WarrantyByEndorsementAndSureties
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of the estimated financial effect of contingent liabilities. [Refer: Contingent liabilities [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2023-01-01 -Paragraph 86 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2023-en-r&anchor=para_86_a&doctype=Standard -URIDate 2023-03-23 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |