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v3.25.1

Expected Credit Losses - Schedule of Expense of Provisions Constituted for Credit Risk and Expected Credit Losses (Details) - CLP ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Evaluation Individual [Member] |  |  |
Expense of provisions constituted |  |  |
Expense of allowances established for credit risk | $ 25,598 | $ (28,415) | $ 25,334
Evaluation Group [Member] |  |  |
Expense of provisions constituted |  |  |
Expense of allowances established for credit risk | 395,612 | 350,244 | 393,082
Subtotal [Member] |  |  |
Expense of provisions constituted |  |  |
Total Expected Credit Losses | 352,706 | 201,944 | 412,130
Expense of allowances established for credit risk | 421,210 | 321,829 | 418,416
Impairments for credit risk from financial assets at fair value through other comprehensive income | 1,009 | (2,754) | 8,009
Loans and advances to Banks [Member] | Evaluation Individual [Member] |  |  |
Expense of provisions constituted |  |  |
Allowances established | 559 |  | 1,792
Allowances released |  | (270) |
Subtotal | 559 | (270) | 1,792
Loans and advances to Banks [Member] | Evaluation Group [Member] |  |  |
Expense of provisions constituted |  |  |
Allowances established |  |  |
Allowances released |  |  |
Subtotal |  |  |
Loans and advances to Banks [Member] | Subtotal [Member] |  |  |
Expense of provisions constituted |  |  |
Allowances established | 559 |  | 1,792
Allowances released |  | (270) |
Subtotal | 559 | (270) | 1,792
Commercial loans [Member] | Evaluation Individual [Member] |  |  |
Expense of provisions constituted |  |  |
Allowances established | 25,039 |  | 23,542
Allowances released |  | (28,145) |
Subtotal | 25,039 | (28,145) | 23,542
Commercial loans [Member] | Evaluation Group [Member] |  |  |
Expense of provisions constituted |  |  |
Allowances established | 66,749 | 65,734 | 67,256
Allowances released |  |  |
Subtotal | 66,749 | 65,734 | 67,256
Commercial loans [Member] | Subtotal [Member] |  |  |
Expense of provisions constituted |  |  |
Allowances established | 91,788 | 65,734 | 90,798
Allowances released |  | (28,145) |
Subtotal | 91,788 | 37,589 | 90,798
Residential Mortgage Loans [Member] | Evaluation Individual [Member] |  |  |
Expense of provisions constituted |  |  |
Allowances established |  |  |
Allowances released |  |  |
Subtotal |  |  |
Residential Mortgage Loans [Member] | Evaluation Group [Member] |  |  |
Expense of provisions constituted |  |  |
Allowances established | 4,976 | (8,422) | 22,706
Allowances released |  |  |
Subtotal | 4,976 | (8,422) | 22,706
Residential Mortgage Loans [Member] | Subtotal [Member] |  |  |
Expense of provisions constituted |  |  |
Allowances established | 4,976 | (8,422) | 22,706
Allowances released |  |  |
Subtotal | 4,976 | (8,422) | 22,706
Consumer loans [Member] | Evaluation Individual [Member] |  |  |
Expense of provisions constituted |  |  |
Allowances established |  |  |
Allowances released |  |  |
Subtotal |  |  |
Consumer loans [Member] | Evaluation Group [Member] |  |  |
Expense of provisions constituted |  |  |
Allowances established | 323,887 | 292,932 | 303,120
Allowances released |  |  |
Subtotal | 323,887 | 292,932 | 303,120
Consumer loans [Member] | Subtotal [Member] |  |  |
Expense of provisions constituted |  |  |
Allowances established | 323,887 | 292,932 | 303,120
Allowances released |  |  |
Subtotal | 323,887 | 292,932 | 303,120
Contingent loans [Member] | Subtotal [Member] |  |  |
Expense of provisions constituted |  |  |
Loans and advances to Banks |  |  |
Commercial loans | (5,258) | (15,670) | 30,645
Consumer loans | 1,058 | (38,205) | 20,800
Subtotal [Member] | Subtotal [Member] |  |  |
Expense of provisions constituted |  |  |
Expenses of provisions for contingent loans | (4,200) | (53,875) | 51,445
Recovery of written-off credits [Member] | Subtotal [Member] |  |  |
Expense of provisions constituted |  |  |
Subtotal | (65,313) | (63,256) | (65,740)
Loans and advances to Banks |  |  |
Commercial loans | (19,752) | (19,660) | (26,554)
Residential mortgage loans | (6,941) | (11,716) | (10,481)
Consumer loans | $ (38,620) | $ (31,880) | $ (28,705)

X
- Definition Commercial loans including industrial and agricultural, real estate (commercial and residential, construction and development), trade financing, and lease financing. + References No definition available. + Details
Name: | bch_CommercialLoans
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of consumer loans made by the entity. [Refer: Loans to consumers [member]] + References No definition available. + Details
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- References No definition available. + Details
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- Definition Amount of expense of provisions established for credit risk. + References No definition available. + Details
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X
- Definition Represents the amount of expenses of provisions for contingent loans. + References No definition available. + Details
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X
- Definition The amount of impairment loss recognised in other comprehensive income. Impairment loss on a revalued asset is recognised in other comprehensive income to the extent that the impairment loss does not exceed the amount in the revaluation surplus for that same asset. [Refer: Impairment loss; Revaluation surplus; Other comprehensive income] + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Definition The amount of net established provisions. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The amount of provisions for loan, lease, credit, and other related losses. + 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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Balance Type: | debit
Period Type: | duration

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- Definition Amount of residential mortgage loans. + References No definition available. + Details
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Namespace Prefix: | bch_
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Period Type: | instant

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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of loans and advances the entity has made to banks. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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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: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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