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Property and Equipment and Leased Assets and Lease Liabilities (Details) - Schedule of changes of obligations under capitalized leases - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Schedule of changes of obligations under capitalized leases [Abstract] |  |
Beginning Balance | $ 146,013 | $ 144,497
Liabilities for new lease agreements | 5,768 | 24,431
Interest expenses | 2,532 | 2,574
Payments of capital and interests | (28,705) | (29,374)
Remeasurement | (1,644) |
Derecognized contracts | (12,337) |
Others | 3,390 | 3,885
Ending balance | $ 115,017 | $ 146,013

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- References No definition available. + Details
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Namespace Prefix: | bch_
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- Definition Derecognized contracts of lease liabilities. + References No definition available. + Details
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Balance Type: | credit
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- References No definition available. + Details
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Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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- References No definition available. + Details
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Namespace Prefix: | bch_
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- Definition Remeasurement of lease liabilities. + References No definition available. + Details
Name: | bch_RemeasurementOfLeaseLiability
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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