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v3.23.1

Interest and UF Indexation Revenue and Expenses (Details) - Schedule of interest income - CLP ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Interest and UF Indexation Revenue and Expenses (Details) - Schedule of interest income [Line Items] |  |  |
Interest revenue | $ 4,466,881 | $ 2,388,470 | $ 1,876,795
Interest expenses | (2,200,752) | (814,448) | (560,007)
Total net interest income | 2,266,129 | 1,574,022 | 1,316,788
Interest [Member] |  |  |
Interest and UF Indexation Revenue and Expenses (Details) - Schedule of interest income [Line Items] |  |  |
Interest revenue | 2,344,384 | 1,393,233 | 1,492,800
Interest expenses | (1,040,914) | (276,087) | (329,811)
Total net interest income | 1,303,470 | 1,117,146 | 1,162,989
UF indexation [Member] |  |  |
Interest and UF Indexation Revenue and Expenses (Details) - Schedule of interest income [Line Items] |  |  |
Interest revenue | 2,122,497 | 995,237 | 383,995
Interest expenses | (1,159,838) | (538,361) | (230,196)
Total net interest income | $ 962,659 | $ 456,876 | $ 153,799

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- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References No definition available. + Details
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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The amount of income arising from interest. + References No definition available. + Details
Name: | bch_InterestRevenue
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:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of net interest income. + References No definition available. + Details
Name: | bch_TotalNetInterestIncome
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | ifrs-full_InterestRateBenchmarksAxis=bch_InterestMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_InterestRateBenchmarksAxis=bch_UFIndexationMember
Namespace Prefix: |
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Balance Type: |
Period Type: |