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v3.21.1

Other Operating Income (Details) - Schedule of other operating income $ in Thousands, $ in Millions | 12 Months Ended
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Dec. 31, 2020 CLP ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 CLP ($) | Dec. 31, 2018 CLP ($)
Income for assets received in lieu of payment |  |  |  |
Income from sale of assets received in lieu of payment | $ 3 |  | $ 2,560 | $ 3,650
Other income | 87 |  | 40 | 56
Subtotal | 90 |  | 2,600 | 3,706
Release of provisions for contingencies |  |  |  |
Other provisions for contingencies |  |  |  | 7,526
Subtotal |  |  |  | 7,526
Other income |  |  |  |
Release of provisions and expense recovery | 6,497 |  | 9,002 | 4,218
Rental investment properties | 5,748 |  | 8,387 | 9,013
Reimbursements for insurance policies | 4,414 |  | 349 | 6,346
Recovery from correspondent banks | 2,841 |  | 2,816 | 2,591
Income from sale leased assets | 1,956 |  | 1,166 | 2,586
Revaluation of prepaid monthly payments | 1,569 |  | 1,731 | 1,224
Credit card income | 459 |  | 4,037 | 2,504
Others | 3,097 |  | 2,227 | 5,581
Subtotal | 26,581 |  | 29,715 | 34,063
Total | $ 26,671 | $ 37,465 | $ 32,315 | $ 45,295

X
- Definition The amount represents credit card income. + References No definition available. + Details
Name: | bch_CreditCardIncome
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition The amount of income recognised from recovery of expenses. + References No definition available. + Details
Name: | bch_IncomeFromExpenseRecovery
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of income recognised from recovery of correspondent banks. + References No definition available. + Details
Name: | bch_IncomeFromRecoveryFromCorrespondentBanks
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of income recognised from release of provision for contingencies. + References No definition available. + Details
Name: | bch_IncomeFromReleaseOfProvisionsForContingencies
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The gains and losses on sale of sale leased assets. + References No definition available. + Details
Name: | bch_IncomeFromSaleLeasedAssets
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of income from sale of assets received in lieu of payment. + References No definition available. + Details
Name: | bch_IncomeFromSaleOfAssetsReceivedInLieuOfPayment
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition The amount of other operating income categorised as other. + References No definition available. + Details
Name: | bch_OtherOperatingIncomeOther
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of other operating income subtotal. + References No definition available. + Details
Name: | bch_OtherOperatingIncomeSubTotal
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of other provisions for contingencies. + References No definition available. + Details
Name: | bch_OtherProvisionsForContingencies
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of other operating income. + References No definition available. + Details
Name: | bch_OthersOperatingIncome
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition The amount represents revaluation of prepaid monthly payments. + References No definition available. + Details
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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of income recognised from the reimbursement of a claim as a result of the occurrence of an insured event covered by an insurance contract. [Refer: Types of insurance contracts [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of miscellaneous other operating income. [Refer: Other operating income (expense)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of income recognised from rental activities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_RentalIncome
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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