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v3.23.1

Right-of-use Assets and Lease Liabilities (Details) - Shedule of changes of the obligations for lease liabilities - CLP ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Shedule Of Changes Of The Obligations For Lease Liabilities Abstract |  |
Beginnng balance | $ 95,670 | $ 115,017
Liabilities for new lease agreements | 16,559 | 8,283
Interest accrued expenses | 1,865 | 1,978
Payments of capital and interests | (32,375) | (30,585)
Remeasurement | (506) | (206)
Derecognized contracts | (2,020) | (5,524)
Others | 10,176 |
Readjustments |  | 6,707
Ending balance | $ 89,369 | $ 95,670

X
- Definition Capitalized Leases Obligation. + References No definition available. + Details
Name: | bch_CapitalizedLeasesObligation
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of derecognized contracts of lease liabilities. + References No definition available. + Details
Name: | bch_DerecognizedContractsOfLeaseLiabilities
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of interest expenses. + References No definition available. + Details
Name: | bch_InterestExpensesOnLeaseLiability
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of liabilities for new lease agreements. + References No definition available. + Details
Name: | bch_LiabilitiesForNewLeaseAgreements
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of other lease liability. + References No definition available. + Details
Name: | bch_OtherLeaseLiability
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of payments of capital and interests. + References No definition available. + Details
Name: | bch_PaymentsOfCapitalAndInterests
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | bch_Readjustments
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of remeasurement of lease liabilities. + References No definition available. + Details
Name: | bch_RemeasurementOfLeaseLiability
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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