XML 121 R101.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Cash collateral on securities and reverse repurchase agreements- Selling financial instruments and repurchasing (Details) $ in Thousands, $ in Millions | Dec. 31, 2017 USD ($) | Dec. 31, 2017 CLP ($) | Dec. 31, 2016 CLP ($)
--- | --- | --- | ---
Payables by selling financial instruments and security repurchase commitment |  |  |
Payables from repurchase agreements and security lending | $ 317,489 | $ 195,392 | $ 216,817
Carrying amount of securities lent and of Payables from Repurchase Agreements and Security Lending |  | 195,437 | 223,721
Instruments issued by the Chilean Government and Central Bank | Central Bank bonds |  |  |
Payables by selling financial instruments and security repurchase commitment |  |  |
Payables from repurchase agreements and security lending |  | 5,169 | 10,568
Instruments issued by the Chilean Government and Central Bank | Central Bank promissory notes |  |  |
Payables by selling financial instruments and security repurchase commitment |  |  |
Payables from repurchase agreements and security lending |  | 5,095 | 16,165
Other instruments issued in Chile | Bonds from domestic banks |  |  |
Payables by selling financial instruments and security repurchase commitment |  |  |
Payables from repurchase agreements and security lending |  | 2,013 |
Other instruments issued in Chile | Deposits in domestic banks |  |  |
Payables by selling financial instruments and security repurchase commitment |  |  |
Payables from repurchase agreements and security lending |  | 171,121 | 190,084
Other instruments issued in Chile | Other instruments |  |  |
Payables by selling financial instruments and security repurchase commitment |  |  |
Payables from repurchase agreements and security lending |  | 11,994 |
Up to 1 month |  |  |
Payables by selling financial instruments and security repurchase commitment |  |  |
Payables from repurchase agreements and security lending |  | 138,630 | 200,811
Up to 1 month | Instruments issued by the Chilean Government and Central Bank | Central Bank bonds |  |  |
Payables by selling financial instruments and security repurchase commitment |  |  |
Payables from repurchase agreements and security lending |  | 5,169 | 10,568
Up to 1 month | Instruments issued by the Chilean Government and Central Bank | Central Bank promissory notes |  |  |
Payables by selling financial instruments and security repurchase commitment |  |  |
Payables from repurchase agreements and security lending |  | 5,095 | 16,165
Up to 1 month | Other instruments issued in Chile | Bonds from domestic banks |  |  |
Payables by selling financial instruments and security repurchase commitment |  |  |
Payables from repurchase agreements and security lending |  | 2,013 |
Up to 1 month | Other instruments issued in Chile | Deposits in domestic banks |  |  |
Payables by selling financial instruments and security repurchase commitment |  |  |
Payables from repurchase agreements and security lending |  | 114,359 | 174,078
Up to 1 month | Other instruments issued in Chile | Other instruments |  |  |
Payables by selling financial instruments and security repurchase commitment |  |  |
Payables from repurchase agreements and security lending |  | 11,994 |
Between 1 and 3 months |  |  |
Payables by selling financial instruments and security repurchase commitment |  |  |
Payables from repurchase agreements and security lending |  |  | 16,006
Between 1 and 3 months | Other instruments issued in Chile | Deposits in domestic banks |  |  |
Payables by selling financial instruments and security repurchase commitment |  |  |
Payables from repurchase agreements and security lending |  |  | $ 16,006
Between 3 and 12 months |  |  |
Payables by selling financial instruments and security repurchase commitment |  |  |
Payables from repurchase agreements and security lending |  | 56,762 |
Between 3 and 12 months | Other instruments issued in Chile | Deposits in domestic banks |  |  |
Payables by selling financial instruments and security repurchase commitment |  |  |
Payables from repurchase agreements and security lending |  | $ 56,762 |

X
- Definition The amount of financial assets that the entity as pledged as collateral for repurchase agreements. + References No definition available. + Details
Name: | bch_FinancialAssetsPledgedAsCollateralForRepurchaseAgreements
Namespace Prefix: | bch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | bch_PayablesBySellingFinancialInstrumentsAndSecurityRepurchaseCommitmentLineItems
Namespace Prefix: | bch_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of instruments sold with the intent to reacquire in repurchase agreements and cash collateral on securities lent. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_RepurchaseAgreementsAndCashCollateralOnSecuritiesLent
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_CounterpartiesAxis=bch_InstrumentsIssuedByChileanGovernmentAndCentralBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=bch_CentralBankBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=bch_CentralBankPromissoryNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CounterpartiesAxis=bch_OtherInstrumentsIssuedInChileMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=bch_BondsFromDomesticBanksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=bch_DepositsInDomesticBanksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=bch_OtherInstrumentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_NotLaterThanOneMonthMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanOneMonthAndNotLaterThanThreeMonthsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanThreeMonthsAndNotLaterThanOneYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |