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Provisions (Details) - Schedule of impairment of losses on contingent loan risks - CLP ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Outstanding Exposure [Member] |  |
Provisions (Details) - Schedule of impairment of losses on contingent loan risks [Line Items] |  |
Warranty by endorsement and sureties | $ 439,669 | $ 224,079
Confirmed foreign letters of credit | 91,270 | 58,299
Issued foreign letters of credit | 358,755 | 343,663
Performance guarantees | 2,366,953 | 2,214,370
Undrawn credit lines | 8,651,193 | 7,650,382
Other commitments | 78,951 | 107,707
Total | 11,986,791 | 10,598,500
ECL [Member] |  |
Provisions (Details) - Schedule of impairment of losses on contingent loan risks [Line Items] |  |
Warranty by endorsement and sureties | 3,754 | 6,068
Confirmed foreign letters of credit | 3 | 10
Issued foreign letters of credit | 200 | 235
Performance guarantees | 7,029 | 13,124
Undrawn credit lines | 82,033 | 78,744
Other commitments | 30 |
Total | $ 93,049 | $ 98,181

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- Definition Amount of contingent liabilities related to confirmed foreign letters of credit. + References No definition available. + Details
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- Definition Amount of contingent liabilities related to Issued foreign letters of credit. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition Amount of contingent liabilities related to other commitments. + References No definition available. + Details
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Balance Type: | credit
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- Definition The amount of contingent liabilities relating to performance guarantees. + References No definition available. + Details
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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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- Definition The amount of contingent liabilities related to undrawn credit lines. + References No definition available. + Details
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- Definition Warranty by endorsement and sureties. + References No definition available. + Details
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Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of the estimated financial effect of contingent liabilities. [Refer: Contingent liabilities [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2021-01-01 -Paragraph 86 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_86_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Details
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