XML 139 R142.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

OTHER NON-CURRENT LIABILITIES - Narrative (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 USD ($) $ / ounce ozt | Dec. 31, 2018 USD ($) | Sep. 29, 2015 USD ($)
Disclosure of Detailed Information About Other Noncurrent Liabilities [Line Items] |  |  |
Revenue | $ 9,717 | $ 7,243 |
Gain (Loss) On Remeasurement Of Liability | 628 | 0 |
Pueblo Viejo |  |  |
Disclosure of Detailed Information About Other Noncurrent Liabilities [Line Items] |  |  |
Revenue | $ 1,409 | 1,333 |
Proportion of ownership interest in subsidiary | 60.00% |  |
Royal Gold |  |  |
Disclosure of Detailed Information About Other Noncurrent Liabilities [Line Items] |  |  |
Expected initial revenue payments (as percent) | 30.00% |  |
Expected revenue payment from contracts with customers, as percent of prevailing spot prices on volume of mineral resources in deliveries thereafter (as percent) | 60.00% |  |
Royal Gold | Pueblo Viejo |  |  |
Disclosure of Detailed Information About Other Noncurrent Liabilities [Line Items] |  |  |
Revenue | $ 43 |  |
Deposits from customers |  |  | $ 610
Pascua-Lama | Pueblo Viejo |  |  |
Disclosure of Detailed Information About Other Noncurrent Liabilities [Line Items] |  |  |
Revenue |  | 76 |
Silver | Royal Gold |  |  |
Disclosure of Detailed Information About Other Noncurrent Liabilities [Line Items] |  |  |
Threshold delivery volume (in ounces) | ozt | 23,100,000 |  |
Silver | Royal Gold | Pueblo Viejo |  |  |
Disclosure of Detailed Information About Other Noncurrent Liabilities [Line Items] |  |  |
Percent of interest in mineral resource production sold until initial delivery maximum achieved (as percent) | 75.00% |  |
Initial delivery maximum (in ounces) | ozt | 50,000,000 |  |
Percent of interest in mineral resource production to be delivered thereafter (as percent) | 37.50% |  |
Fixed recovery rate (as percent) | 70.00% |  |
Silver | Pascua-Lama | Silver Wheaton Corp. |  |  |
Disclosure of Detailed Information About Other Noncurrent Liabilities [Line Items] |  |  |
Goods deliverable under contract (as percent) | 25.00% |  |
Deposits from customers | $ 625 |  |
Contract duration | 3 years |  |
Selling price (in dollars per ounce) | $ / ounce | 3.90 |  |
Annual inflation adjustment (as percent) | 1.00% |  |
Starting period after project period to apply annual inflation adjustment | 3 years |  |
Gold[member] |  |  |
Disclosure of Detailed Information About Other Noncurrent Liabilities [Line Items] |  |  |
Revenue | $ 9,186 | $ 6,600 |
Gold[member] | Royal Gold |  |  |
Disclosure of Detailed Information About Other Noncurrent Liabilities [Line Items] |  |  |
Threshold delivery volume (in ounces) | ozt | 550,000 |  |
Gold[member] | Royal Gold | Pueblo Viejo |  |  |
Disclosure of Detailed Information About Other Noncurrent Liabilities [Line Items] |  |  |
Percent of interest in mineral resource production sold until initial delivery maximum achieved (as percent) | 7.50% |  |
Initial delivery maximum (in ounces) | ozt | 990,000 |  |
Percent of interest in mineral resource production to be delivered thereafter (as percent) | 3.75% |  |
Lagunas Norte, Pierina and Veladero | Silver |  |  |
Disclosure of Detailed Information About Other Noncurrent Liabilities [Line Items] |  |  |
Contract liabilities | $ 253 |  |
Lagunas Norte, Pierina and Veladero | Silver | Silver Wheaton Corp. |  |  |
Disclosure of Detailed Information About Other Noncurrent Liabilities [Line Items] |  |  |
Goods deliverable under contract (as percent) | 100.00% |  |
Pascua-Lama | Silver | Silver Wheaton Corp. |  |  |
Disclosure of Detailed Information About Other Noncurrent Liabilities [Line Items] |  |  |
Contract liabilities | $ 253 |  |
Gain (Loss) On Remeasurement Of Liability | $ 628 |  |

X
- Definition Contract obligation, fixed recovery rate of mineral resource + References No definition available. + Details
Name: | abx_ContractObligationFixedRecoveryRateofMineralResource
Namespace Prefix: | abx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contract Obligation, Initial Delivery Maximum + References No definition available. + Details
Name: | abx_ContractObligationInitialDeliveryMaximum
Namespace Prefix: | abx_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contract Obligation, Percent of Interest in Mineral Resource Production Sold After Initial Delivery + References No definition available. + Details
Name: | abx_ContractObligationPercentofInterestinMineralResourceProductionSoldAfterInitialDelivery
Namespace Prefix: | abx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contract obligation, percent of interest in mineral resource production sold until initial delivery maximum achieved + References No definition available. + Details
Name: | abx_ContractObligationPercentofInterestinMineralResourceProductionSoldUntilInitialDeliveryMaximumAchieved
Namespace Prefix: | abx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contract obligation, threshold delivery volume of mineral resource for receipt of ongoing cash payments + References No definition available. + Details
Name: | abx_ContractObligationThresholdDeliveryVolumeofMineralResourceforReceiptofOngoingCashPayments
Namespace Prefix: | abx_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contract Obligation, duration of contract + References No definition available. + Details
Name: | abx_ContractsObligationDurationofContract
Namespace Prefix: | abx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contracts with Customer, Percent of Good or Service Deliverable + References No definition available. + Details
Name: | abx_ContractswithCustomerPercentofGoodorServiceDeliverable
Namespace Prefix: | abx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition [Line Items] for Disclosure of Detailed Information About Other Noncurrent Liabilities [Table] + References No definition available. + Details
Name: | abx_DisclosureofDetailedInformationAboutOtherNoncurrentLiabilitiesLineItems
Namespace Prefix: | abx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Expected initial revenue payment from contracts with customers, as percent of prevailing spot prices on volume of mineral resources in initial delivery + References No definition available. + Details
Name: | abx_ExpectedInitialRevenuePaymentFromContractswithCustomersAsPercentOfPrevailingSpotPricesOnVolumeofMineralResourcesInInitialDelivery
Namespace Prefix: | abx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Expected revenue payment from contracts with customers, as percent of prevailing spot prices on volume of mineral resources in deliveries thereafter + References No definition available. + Details
Name: | abx_ExpectedRevenuePaymentFromContractsWithCustomersAsPercentOfPrevailingSpotPricesOnVolumeOfMineralResourcesInDeliveriesThereafter
Namespace Prefix: | abx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gain (Loss) On Remeasurement Of Liability + References No definition available. + Details
Name: | abx_GainLossOnRemeasurementOfLiability
Namespace Prefix: | abx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Revenue from contract with customers, annual inflation adjustment to price per ounce of mineral resource starting year 3 after project completion + References No definition available. + Details
Name: | abx_RevenueFromContractWithCustomersAnnualInflationAdjustmenttoPricePerOunceofMineralResourceStartingYear3AfterProjectCompletion
Namespace Prefix: | abx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Revenue from contract with customers, period after project completion where annual inflation adjustment applicable + References No definition available. + Details
Name: | abx_RevenueFromContractWithCustomersPeriodAfterProjectCompletionWhereAnnualInflationAdjustmentApplicable
Namespace Prefix: | abx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Revenue from contract with customers, selling price per ounce of mineral resource + References No definition available. + Details
Name: | abx_RevenueFromContractWithCustomersSellingPricePerOunceofMineralResource
Namespace Prefix: | abx_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of an entity’s obligation to transfer goods or services to a customer for which the entity has received consideration (or the amount is due) from the customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2018-01-01 -Paragraph 105 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2018-03-01&anchor=para_105&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2018-01-01 -Paragraph 116 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2018-03-01&anchor=para_116_a&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ContractLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of deposit liabilities from customers held by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DepositsFromCustomers
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2018-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2018-03-01&anchor=para_17_b_iii&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2018-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2018-03-01&anchor=para_16_b_iii&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph 19B -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_19B_c&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ProportionOfOwnershipInterestInSubsidiary
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The income arising in the course of an entity's ordinary activities. Income is increases in economic benefits during the accounting period in the form of inflows or enhancements of assets or decreases of liabilities that result in an increase in equity, other than those relating to contributions from equity participants. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2018-01-01 -Paragraph 28 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2018-03-01&anchor=para_28_a&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2018-01-01 -Paragraph 23 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2018-03-01&anchor=para_23_a&doctype=Standard -URIDate 2018-03-16 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2018-01-01 -Paragraph 32 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2018-03-01&anchor=para_32&doctype=Standard -URIDate 2018-03-16 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2018-01-01 -Paragraph 33 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2018-03-01&anchor=para_33_a&doctype=Standard -URIDate 2018-03-16 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2018-01-01 -Paragraph 34 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=8&date=2018-03-01&anchor=para_34&doctype=Standard -URIDate 2018-03-16 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 82 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_82_a&doctype=Standard -URIDate 2018-03-16 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_103&doctype=Standard -URIDate 2018-03-16 Reference 8: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 102 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_102&doctype=Standard -URIDate 2018-03-16 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 5 -IssueDate 2018-01-01 -Paragraph 33 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=5&date=2018-03-01&anchor=para_33_b_i&doctype=Standard -URIDate 2018-03-16 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B12 -Subparagraph b -Clause v -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B12_b_v&doctype=Appendix&seq=2 -URIDate 2018-03-16 Reference 11: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 12 -IssueDate 2018-01-01 -Paragraph B10 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2018-03-01&anchor=para_B10_b&doctype=Appendix&seq=2 -URIDate 2018-03-16 + Details
Name: | ifrs-full_Revenue
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_SignificantInvestmentsInSubsidiariesAxis=abx_PuebloViejoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | abx_InvestmentName1Axis=abx_PascuaLama1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ProductsAndServicesAxis=abx_SilverMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_ProductsAndServicesAxis=abx_GoldcommodityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | abx_NameofPropertyAxis=abx_LagunasNortePierinaandVeladeroMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | abx_NameofPropertyAxis=abx_PascuaLama1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |