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Financial Liabilities Held for Trading at Fair Value Through Pofit or Loss (Details) - Schedule of Financial Liabilities Held for Trading at Fair Value Through Profit or Loss - CLP ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Schedule of Financial Liabilities Held for Trading at Fair Value Through Profit or Loss [Abstract] |  |
Financial derivative contracts | $ 2,196,116 | $ 3,101,469
Other financial instruments | 2,305 | 6,271
Total | $ 2,198,421 | $ 3,107,740

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- Definition Financial derivative contracts. + References No definition available. + Details
Name: | bch_FinancialDerivativeContract
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Other financial instruments. + References No definition available. + Details
Name: | bch_FinancialInstrumentsOwnedOthersAtFairValue
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Financial Liabilities trading value. + References No definition available. + Details
Name: | bch_FinancialLiabilitiestradingvalue
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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