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Financial Assets at Amortized Cost (Details) - Schedule of Bank has Carried Out Transactions - Sale or Transfer [Member] - CLP ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Schedule of Bank has Carried Out Transactions [Line Items] |  |  |
Carrying amount |  | $ 17,013 | $ 7,908
Allowances released |  | (262) | (2,264)
Sale price |  | 17,007 | 7,908
Effect on income (loss) gain | [1] | 256 | 2,264
Sale of outstanding loans [Member] |  |  |
Schedule of Bank has Carried Out Transactions [Line Items] |  |  |
Carrying amount |  | 17,013 | 7,908
Allowances released |  | (262) | (2,264)
Sale price |  | 17,007 | 7,908
Effect on income (loss) gain | [1] | 256 | 2,264
Sale of write-off Loans [Member] |  |  |
Schedule of Bank has Carried Out Transactions [Line Items] |  |  |
Carrying amount |  |  |
Allowances released |  |  |
Sale price |  |  |
Effect on income (loss) gain | [1] |  |
[1] | See Note No. 31.

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- Definition The amount of an allowance account used to record impairments to financial assets due to credit losses. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- Definition Amount of effect on income (loss) gain. + References No definition available. + Details
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Namespace Prefix: | bch_
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Balance Type: | debit
Period Type: | duration

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- Definition Amount of sale price. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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- Definition The fair value of financial assets. [Refer: At fair value [member]; Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 25 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_25&doctype=Standard -URIDate 2023-03-23 + Details
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Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |