Additional basic capital requirements.

No definition available.

Name:	bch_AdditionalBasicCapitalRequirements
Namespace Prefix:	bch_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represent the percentage of additional capital requirements.

+ References

No definition available.

+ Details

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

- Definition

Additional charges for effective equity, percentage of assets exposed to risk.

+ References

No definition available.

+ Details

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

- Definition

Additional provisions and debt instrument, percentage of assets exposed to risk.

+ References

No definition available.

+ Details

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

- Definition

Bank specific capital requirements, percentage.

+ References

No definition available.

+ Details

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

- Definition

Basic capital limit percentage.

+ References

No definition available.

+ Details

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

- Definition

Capital adequacy leverage, requirements percentage.

+ References

No definition available.

+ Details

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

- Definition

Charge for maintaining the current requirement, percentage.

+ References

No definition available.

+ Details

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

- Definition

Charges incurred, percentage of assets exposed to risk.

+ References

No definition available.

+ Details

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

- Definition

Conservation buffer, percentage.

+ References

No definition available.

+ Details

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

- Definition

Conservation buffer, percentage of risk-weighted assets.

+ References

No definition available.

+ Details

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

- Definition

Conservation buffer required, percentage.

+ References

No definition available.

+ Details

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

- Definition

Represent the implementation period.

+ References

No definition available.

+ Details

Name:	bch_ImplementationPeriod
Namespace Prefix:	bch_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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

- Definition

Investment assets, percentage on owners' equity.

+ References

No definition available.

+ Details

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

- Definition

Non-controlling interest, percentage on owner's assets.

+ References

No definition available.

+ Details

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

- Definition

Percentage of additional capital requirements to be constituted.

+ References

No definition available.

+ Details

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

- Definition

Represent the percentage of requirement must be recognized at basic capital.

+ References

No definition available.

+ Details

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

- Definition

Represent the percentage of risk weighted assets net of required provisions.

+ References

No definition available.

+ Details

Name:	bch_PercentageOfRiskWeightedAssetsNetOfRequiredProvisions
Namespace Prefix:	bch_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of pillar 2 charges.

+ References

No definition available.

+ Details

Name:	bch_Pillar2ChargePercentage
Namespace Prefix:	bch_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represent the percentage of risk weighted assets (RWA).

+ References

No definition available.

+ Details

Name:	bch_RiskWeightedAssetsPercentage
Namespace Prefix:	bch_
Data Type:	dtr:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Risk-weighted assets of banking institutions

+ References

No definition available.

+ Details

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

- Definition

Standard methodology limit percentage.

+ References

No definition available.

+ Details

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

- Definition

Systemic bank charge, percentage.

+ References

No definition available.

+ Details

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

- Definition

Systemic bank charges, percentage.

+ References

No definition available.

+ Details

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

- Definition

Total assets percentage.

+ References

No definition available.

+ Details

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

- Definition

Transitional provisions decrease percentage.

+ References

No definition available.

+ Details

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

- Definition

Transitional provisions required, percentage on basic capital requirements.

+ References

No definition available.

+ Details

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

- Definition

Transitional provisions required, percentage on capital charge.

+ References

No definition available.

+ Details

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

- Definition

The percentage other types of assets not separately disclosed contribute to the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [domain]] [Contrast: Other assets, amount contributed to fair value of plan assets]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 19
-IssueDate 2025-01-01
-Paragraph 142
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_142&doctype=Standard
-URIDate 2025-03-27

+ Details

Name:	ifrs-full_OtherAssetsPercentageContributedToFairValueOfPlanAssets
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	bch_LegalFormOfEntityAxis=bch_CentralBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_EventsOfReclassificationOfFinancialAssetsAxis=bch_PillarTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=ifrs-full_MajorOrdinaryShareTransactionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_CapitalRequirementsAxis=bch_CapitalRequirementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Information on Regulatory Capital and Capital Adequacy Ratios (Details)				1 Months Ended		12 Months Ended
	Jan. 17, 2025	Jan. 16, 2024	Dec. 01, 2021	Jun. 30, 2024	May 23, 2023	Dec. 31, 2025	Dec. 31, 2024	Apr. 01, 2025
Information on Regulatory Capital and Capital Adequacy Ratios [Line Items]
Risk-weighted assets of banking institutions					0.50%
Percentage of basic capital				56.30%
Charge for maintaining the current requirement, percentage	0.13%
Additional basic capital requirements								1.25%
Conservation buffer, percentage of risk-weighted assets						2.50%
Non-controlling interest, percentage on owner's assets						20.00%
Investment assets, percentage on owners' equity						5.00%
Capital adequacy leverage, requirements percentage						3.00%
Charges incurred, percentage of risk-weighted assets						4.50%
Systemic bank charge, percentage						6.00%
Additional charges, percentage of risk-weighted assets						8.00%
Systemic bank charges, percentage						1.25%
Bank specific capital requirements, percentage						0.13%
Transitional provisions required, percentage on capital charge						100.00%	75.00%
Pillar 2 charge, percentage							0.125%
Transitional provisions required, percentage on basic capital requirements							56.30%
Conservation buffer required, percentage							100.00%
Conservation buffer, percentage							2.50%
Standard methodology limit percentage						1.25%
Basic capital limit percentage						50.00%
Additional provisions and subordinated bonds, percentage of RWA			1.00%
Transitional provisions decrease percentage						0.50%
Central Bank [Member]
Information on Regulatory Capital and Capital Adequacy Ratios [Line Items]
Risk-weighted assets of banking institutions					0.50%
Pillar 2 [Member]
Information on Regulatory Capital and Capital Adequacy Ratios [Line Items]
Additional capital requirements		0.50%
Implementation period		4 years
Pillar 2 charge, percentage						100.00%	25.00%
Non-adjusting events after reporting period [Member] \| Pillar 2 [Member]
Information on Regulatory Capital and Capital Adequacy Ratios [Line Items]
Percentage of additional capital requirements to be constituted				25.00%
Capital Requirements [Member]
Information on Regulatory Capital and Capital Adequacy Ratios [Line Items]
Risk-weighted assets percentage						8.00%
Basic capital percentage						4.50%
Total assets percentage						3.00%
Preferred shares percentage						6.00%