XML 199 R129.htm IDEA: XBRL DOCUMENT
v3.20.4

FINANCIAL INSTRUMENTS - Debt Narrative (Details) - USD ($) $ in Millions |  |  |  | 1 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 31, 2020 | May 02, 2013 | Oct. 16, 2009 | Jan. 31, 2013 | Sep. 30, 2008 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Nov. 30, 2019 | Jun. 30, 2012 | Apr. 03, 2012 | Sep. 30, 2009
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  | $ 5,155 | $ 5,536 | $ 5,738 |  |  |  |  |  |  |
Repayments |  |  |  |  |  | 353 | 281 |  |  |  |  |  |  |  |
5.7% notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate (as percent) |  |  |  |  |  |  |  |  |  |  |  |  | 5.70% |  |
Borrowings |  |  |  |  |  | 842 | 842 | 842 |  |  |  |  |  |  |
Repayments |  |  |  |  |  | $ 0 | $ 0 |  |  |  |  |  |  |  |
Effective rate (as percent) |  |  |  |  |  | 5.73% | 5.74% |  |  |  |  |  |  |  |
3.85%/5.25% Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate (as percent) |  |  |  |  |  | 385.00% |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  | $ 744 | $ 1,079 | 1,079 |  |  |  |  |  |  |
Repayments |  |  |  |  |  | $ 337 | $ 0 |  |  |  |  |  |  |  |
Effective rate (as percent) |  |  |  |  |  | 5.31% | 4.87% |  |  |  |  |  |  |  |
3.85% Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate (as percent) | 3.85% |  |  |  |  |  |  |  |  |  |  |  |  | 3.85% |
Repayments | $ 337 |  |  |  |  |  |  |  |  | $ 913 |  |  |  |  |
5.25% Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate (as percent) |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.25% |
Other fixed rate notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  | $ 1,081 | $ 1,080 | 1,326 |  |  |  |  |  |  |
Repayments |  |  |  |  |  | $ 0 | $ 248 |  |  |  |  |  |  |  |
Effective rate (as percent) |  |  |  |  |  | 6.38% | 6.33% |  |  |  |  |  |  |  |
BPADF Notes Due 2039 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate (as percent) |  |  | 5.95% |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  | $ 850 | $ 850 |  |  |  |  |  |  |  |
Term of borrowings |  |  | 30 years |  |  |  |  |  |  |  |  |  |  |  |
BPDAF Notes Due 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate (as percent) |  |  | 4.95% |  |  |  |  |  |  |  |  |  |  |  |
Repayments |  |  |  |  |  | $ 248 |  |  | $ 152 |  |  |  |  |  |
Term of borrowings |  |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |
7.50% Notes Due 2038 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate (as percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.50%
Term of borrowings |  |  |  |  | 30 years |  |  |  |  |  |  |  |  |  |
Credit Facility Due 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread (as percent) |  |  |  |  |  |  |  |  |  |  |  | 1.125% |  |  |
Commitment fee (as percent) |  |  |  |  |  | 0.125% |  |  |  |  |  |  |  |  |
Credit Facility Due 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayments |  | $ 2,000 |  |  |  |  |  |  |  |  |  |  |  |  |
4.10%/5.75% notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  | $ 843 | 842 | 842 |  |  |  |  |  |  |
Repayments |  |  |  |  |  | 0 | 0 |  |  |  |  |  |  |  |
5.75% Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate (as percent) |  | 5.75% |  |  |  |  |  |  |  |  |  |  |  |  |
Acacia Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  | 0 | 14 | 43 |  |  |  |  |  |  |
Repayments | $ 14 |  |  |  |  | $ 14 | $ 29 | $ 28 | $ 28 | $ 29 | $ 14 |  |  |  |
Term of borrowings |  |  |  | 7 years |  |  |  |  |  |  |  |  |  |  |
Repayment holiday period |  |  |  | 2 years |  |  |  |  |  |  |  |  |  |  |
Effective rate (as percent) |  |  |  |  |  | 0.00% | 3.36% |  |  |  |  |  |  |  |
Gross amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  | $ 5,116 |  |  |  |  |  |  |  |  |
Gross amount | BNAF Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,000 |  |
Gross amount | 5.7% notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |  |  |  |  |  | $ 850 |  |
Gross amount | 3.85%/5.25% Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,000 |
Gross amount | 3.85% Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,250 |
Gross amount | 5.25% Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  | 750 |  |  |  |  |  |  |  | $ 750 |
Gross amount | Other fixed rate notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  | $ 1,250 |  |  |  |  |  |  |  |  |  |  |  |
Gross amount | BPADF Notes Due 2039 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  | 850 |  |  |  |  |  |  |  |  |  |  |  |
Gross amount | BPDAF Notes Due 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  | $ 400 |  |  |  |  |  |  |  |  |  |  |  |
Gross amount | LLCs Notes Due 2013, Due 2019 and Due 2038 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,250
Gross amount | 7.50% Notes Due 2038 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  | 250 |  |  |  |  |  |  |  |  | $ 250
Gross amount | Credit Facility Due 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility available |  |  |  |  |  | 3,000 |  |  |  |  |  |  |  |  |
Gross amount | 4.10%/5.75% notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  | $ 3,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Gross amount | 5.75% Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  | $ 850 |  |  |  | $ 850 |  |  |  |  |  |  |  |  |
Gross amount | Acacia Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility available |  |  |  | $ 142 |  |  |  |  |  |  |  |  |  |  |
Acacia Credit Facility Floating Interest Rate | Acacia Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread (as percent) |  |  |  | 2.50% |  |  |  |  |  |  |  |  |  |  |

X
- Definition Borrowings maturity, term + References No definition available. + Details
Name: | abx_BorrowingsMaturityTerm
Namespace Prefix: | abx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Borrowings, repayment holiday period + References No definition available. + Details
Name: | abx_BorrowingsRepaymentHolidayPeriod
Namespace Prefix: | abx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Effective interest rate of financial liabilities + References No definition available. + Details
Name: | abx_EffectiveInterestRateofFinancialLiabilities
Namespace Prefix: | abx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line of credit facility, commitment fee percentage1 + References No definition available. + Details
Name: | abx_LineOfCreditFacilityCommitmentFeePercentage1
Namespace Prefix: | abx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line of credit facility, maximum borrowing capacity1 + References No definition available. + Details
Name: | abx_LineOfCreditFacilityMaximumBorrowingCapacity1
Namespace Prefix: | abx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of outstanding funds that the entity is obligated to repay. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_55&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_Borrowings
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The adjustment to the basis (reference rate) used for calculation of the interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_7&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_BorrowingsAdjustmentToInterestRateBasis
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 7 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_7&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_BorrowingsInterestRate
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
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: | ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow to settle borrowings, classified as financing activities. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2019-01-01 -Paragraph 17 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_17_d&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_RepaymentsOfBorrowingsClassifiedAsFinancingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=abx_BNAFNotesDue2041Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=abx_ThreePointEightFivePercentNotesDue2022andFivePointTwoFiveNotesDue2042Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=abx_ThreePointEightFivePercentBGCNotes2022Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=abx_FivePointTwoFivePercentBGCNotesDue2042Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=abx_BPADFNotesDue2039Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=abx_BPDAFNotesDue2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=abx_SevenPointFiveZeroPercentBNAFDue2038Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=abx_CreditFacilityDue2025MemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=abx_CreditFacilityDue2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=abx_BNAFNotesDue2043Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=abx_FivePointSevenFivePercentBNAFNotesDue2043Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_GrossCarryingAmountMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=abx_LLCsNotesDue2013Due2019andDue2038Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=ifrs-full_FloatingInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |