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SIGNIFICANT ACCOUNTING POLICIES - Stock-Based Compensation (Details) | 12 Months Ended
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Dec. 31, 2019 USD ($)
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Barrick Share Purchase Plan, Employer Matching Contribution, Percent Match | 100.00%
Stock options |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Vesting period | 4 years
RSUs |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Vesting period | 3 years
RSUs | Minimum |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Vesting period | 2 years 6 months
RSUs | Maximum |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Vesting period | 3 years
DSUs |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Minimum required annual retainer (as percent) | 64.00%
PRSUs |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Vesting period | 3 years
PRSUs | Minimum |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Vesting percentage (as percent) | 0.00%
PRSUs | Maximum |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Vesting percentage (as percent) | 200.00%
PGSUs | Minimum |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Vesting percentage (as percent) | 100.00%
PGSUs | Maximum |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Vesting percentage (as percent) | 600.00%
BSPP | Minimum |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Annual contributions per employee (as percent) | 1.00%
BSPP | Maximum |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Annual contributions per employee (as percent) | 10.00%
United States of America, Dollars | BSPP |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Maximum employer contribution | $ 4,000
Canada, Dollars | BSPP |
Disclosure of terms and conditions of share-based payment arrangement [line items] |
Maximum employer contribution | $ 5,000

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- Definition Share-based compensation arrangement by share-based payment award, minimum amount of required annual retainer available for election + References No definition available. + Details
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- Definition Share-based payment arrangement, annual contributions per employee, percent + References No definition available. + Details
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- Definition Share-based payment arrangement, employer matching contribution, maximum amount of match + References No definition available. + Details
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- 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
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