XML 189 R154.htm IDEA: XBRL DOCUMENT
v3.20.1

STOCK-BASED COMPENSATION - DSU and RSU Activity (Details) shares in Thousands, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($) shares | Dec. 31, 2018 USD ($) shares
DSUs |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Number of units outstanding beginning of period (shares) | shares | 764 | 725
Settled for cash (shares) | shares | (404) | (143)
Forfeited (shares) | shares | 0 | 0
Granted (shares) | shares | 116 | 182
Credits for dividends (shares) | shares | 0 | 0
Number of units outstanding end of period (shares) | shares | 476 | 764
Fair value, beginning of period | $ | $ 11.2 | $ 11.6
Settled for cash | $ | (6.5) | (1.9)
Forfeited | $ | 0.0 | 0.0
Granted | $ | 1.9 | 2.3
Credits for dividends | $ | $ 0.0 | $ 0.0
Increase (decrease) in number of shares outstanding | shares | 0 | 0
Change in value | $ | $ 2.2 | $ (0.8)
Fair value, end of period | $ | $ 8.8 | $ 11.2
RSUs |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Number of units outstanding beginning of period (shares) | shares | 3,751 | 4,537
Settled for cash (shares) | shares | (2,131) | (3,089)
Forfeited (shares) | shares | (1,157) | (731)
Granted (shares) | shares | 2,600 | 2,974
Credits for dividends (shares) | shares | 47 | 60
Number of units outstanding end of period (shares) | shares | 3,110 | 3,751
Fair value, beginning of period | $ | $ 36.0 | $ 37.7
Settled for cash | $ | (30.7) | (34.6)
Forfeited | $ | (15.8) | (7.9)
Granted | $ | 35.3 | 35.3
Credits for dividends | $ | $ 0.8 | $ 0.8
Increase (decrease) in number of shares outstanding | shares | 0 | 0
Change in value | $ | $ 15.9 | $ 4.7
Fair value, end of period | $ | $ 41.5 | $ 36.0

X
- Definition Aggregate share-based liability fair value, other equity instruments, credit for dividends + References No definition available. + Details
Name: | abx_AggregateSharebasedLiabilityFairValueOtherEquityInstrumentsCreditforDividends
Namespace Prefix: | abx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Aggregate share-based liability, fair value, other equity instruments, exercised or vested + References No definition available. + Details
Name: | abx_AggregateSharebasedLiabilityFairValueOtherEquityInstrumentsExercisedorVested
Namespace Prefix: | abx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate share-based liability, fair value, other equity instruments, forfeited + References No definition available. + Details
Name: | abx_AggregateSharebasedLiabilityFairValueOtherEquityInstrumentsForfeited
Namespace Prefix: | abx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Aggregate share-based liability, fair value, other equity instruments, granted + References No definition available. + Details
Name: | abx_AggregateSharebasedLiabilityFairValueOtherEquityInstrumentsGranted
Namespace Prefix: | abx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Increase (decrease) in aggregate share-based liability, fair value, other equity instruments + References No definition available. + Details
Name: | abx_IncreaseDecreaseInAggregateSharebasedLiabilityFairValueOtherEquityInstruments
Namespace Prefix: | abx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of other equity instruments dividend credit in share-based payment arrangement + References No definition available. + Details
Name: | abx_NumberOfOtherEquityInstrumentsDividendCreditinSharebasedPaymentArrangement
Namespace Prefix: | abx_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

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_DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase (decrease) in the number of shares outstanding. [Refer: Number of shares outstanding] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_79_a_iv&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of liabilities arising from share-based payment transactions. Share-based payment transactions are transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Share-based payment arrangements [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 51 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_51_b_i&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_LiabilitiesFromSharebasedPaymentTransactions2011
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 47 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_47_b&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of other equity instruments (ie other than share options) exercised or vested in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of other equity instruments (ie other than share options) forfeited in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2018-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=abx_DeferredShareUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=abx_RestrictedShareUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |