Name:	bch_AssetReceivedInLieuOfPayment
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Amount of bank available margin amount.

No definition available.

Name:	bch_BankAvailableMarginAmount
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Credit committee amount.

No definition available.

Name:	bch_CreditCommitteeAmount
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Description Of Liquidity Coverage Ratio.

No definition available.

Name:	bch_DescriptionOfLiquidityCoverageRatio
Namespace Prefix:	bch_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments.

No definition available.

Name:	bch_FinancialAssetsAmount
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the percentage of maximum exposure to credit risk without taking into account guarantees or other credit enhancements by client or counterparty, does not exceed.

No definition available.

Name:	bch_MaximumExposureToCreditRiskDoesNotExceed
Namespace Prefix:	bch_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

The maximum percentage of provisions on renegotiated loans.

No definition available.

Name:	bch_MaximumPercentageOfProvisionOnRenegotiatedLoans
Namespace Prefix:	bch_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

The maximum amount of potential loss impact on trading book.

No definition available.

Name:	bch_MaximumPotentialLossImpactOnTradingBook
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The number of collaterals held by the bank.

No definition available.

Name:	bch_NumberOfCollaterals
Namespace Prefix:	bch_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

The percentage of renegotiated portfolio of bank on the total loans.

No definition available.

Name:	bch_PercentageOfRenegotiatedPortfolioOnLoans
Namespace Prefix:	bch_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	duration

Potential impacts on equity accounts.

No definition available.

Name:	bch_PotentialImpactsOnEquityAccounts
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

Name:	bch_RiskManagementandReportDetailsLineItems
Namespace Prefix:	bch_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The amount of guarantees maintained which relate to placements individually classified a impaired.

No definition available.

Name:	bch_ValueOfGuaranteesClassifiedAsImpaired
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The amount of guarantees maintained which relate to non-impaired loans.

No definition available.

Name:	bch_ValueOfGuaranteesClassifiedAsNonImpaired
Namespace Prefix:	bch_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Name:	ifrs-full_TypesOfRisksAxis=bch_ConsolidatedCurrencyThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_TypesOfRisksAxis=bch_ConsolidatedCurrencyFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_GeographicalAreasAxis=bch_PreSettlementExposureFactorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_GeographicalAreasAxis=bch_ConfidenceLevelOMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfFinancialAssetsAxis=bch_FinancialAssetsHeldForTradingAtFairValueThroughProfitOrLossMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=ifrs-full_ForwardContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_GeographicalAreasAxis=country_FR
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_TypesOfHedgesAxis=bch_DerivativeContractsFinancialMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_GeographicalAreasAxis=country_CH
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_GeographicalAreasAxis=country_ES
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_GeographicalAreasAxis=country_BE
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfFinancialInstrumentsAxis=ifrs-full_SwapContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_GeographicalAreasAxis=country_CA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_ClassesOfFinancialAssetsAxis=bch_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_GeographicalAreasAxis=country_CN
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_GeographicalAreasAxis=country_KP
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_GeographicalAreasAxis=country_PE
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_GeographicalAreasAxis=country_NL
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_GeographicalAreasAxis=country_SG
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: