XML 205 R128.htm IDEA: XBRL DOCUMENT
v3.22.0.1

FAIR VALUE MEASUREMENTS - Assets and Liabilities Measured on Recurring Basis at Aggregate Fair Value (Details) - Recurring fair value measurement - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | $ 5,989 | $ 5,921
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 5,694 | 5,616
Significant Other Observable Inputs (Level 2) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 295 | 305
Significant Unobservable Inputs (Level 3) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 0 | 0
Cash and cash equivalents [Member] |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 5,280 | 5,188
Cash and cash equivalents [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 5,280 | 5,188
Cash and cash equivalents [Member] | Significant Other Observable Inputs (Level 2) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 0 | 0
Cash and cash equivalents [Member] | Significant Unobservable Inputs (Level 3) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 0 | 0
Other investments [Member] |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 414 | 428
Other investments [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 414 | 428
Other investments [Member] | Significant Other Observable Inputs (Level 2) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 0 | 0
Other investments [Member] | Significant Unobservable Inputs (Level 3) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 0 | 0
Derivatives |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 53 | 40
Derivatives | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 0 | 0
Derivatives | Significant Other Observable Inputs (Level 2) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 53 | 40
Derivatives | Significant Unobservable Inputs (Level 3) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 0 | 0
Receivables from provisional copper and gold sales [Member] |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 242 | 265
Receivables from provisional copper and gold sales [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 0 | 0
Receivables from provisional copper and gold sales [Member] | Significant Other Observable Inputs (Level 2) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | 242 | 265
Receivables from provisional copper and gold sales [Member] | Significant Unobservable Inputs (Level 3) |  |
Disclosure of fair value measurement of assets [line items] |  |
Financial assets, at fair value | $ 0 | $ 0

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

X
- 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 2021-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_25&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_FinancialAssetsAtFairValue
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_MeasurementAxis=ifrs-full_RecurringFairValueMeasurementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_LevelsOfFairValueHierarchyAxis=ifrs-full_Level1OfFairValueHierarchyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_LevelsOfFairValueHierarchyAxis=ifrs-full_Level2OfFairValueHierarchyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_LevelsOfFairValueHierarchyAxis=ifrs-full_Level3OfFairValueHierarchyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=abx_CashAndCashEquivalentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=abx_OtherinvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=ifrs-full_DerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfAssetsAxis=abx_ReceivablesfromprovisionalcopperandgoldsalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |