XML 182 R165.htm IDEA: XBRL DOCUMENT
v3.21.1

Provisions (Details) - Schedule of impairment of losses on contingent loan risks - CLP ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Outstanding exposure [Member] |  |
Provisions (Details) - Schedule of impairment of losses on contingent loan risks [Line Items] |  |
Warranty by endorsement and sureties | $ 224,079 | $ 280,838
Confirmed foreign letters of credit | 58,299 | 94,673
Issued foreign letters of credit | 343,663 | 316,916
Performance guarantees | 2,214,370 | 2,283,390
Undrawn credit lines | 7,650,382 | 7,870,260
Other commitments | 107,707 | 155,163
Total | 10,598,500 | 11,001,240
ECL [Member] |  |
Provisions (Details) - Schedule of impairment of losses on contingent loan risks [Line Items] |  |
Warranty by endorsement and sureties | 6,068 | 63
Confirmed foreign letters of credit | 10 | 4
Issued foreign letters of credit | 235 | 51
Performance guarantees | 13,124 | 4,037
Undrawn credit lines | 78,744 | 20,816
Other commitments |  |
Total | $ 98,181 | $ 24,971

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

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

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

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

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

X
- 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 2020-01-01 -Paragraph 86 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2020-en-r&anchor=para_86_a&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_EstimatedFinancialEffectOfContingentLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfProvisionsAxis=bch_OutstandingExposureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfProvisionsAxis=bch_ECLExposuresMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |