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SEGMENT INFORMATION SEGMENT INFORMATION Narrative (Details) | Jun. 30, 2021 minesite investment
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Disclosure of operating segments [line items] |
Number of minesite locations | 18
Number of projects | investment | 1
Number of gold mines | 9

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- Definition Number of gold mines + References No definition available. + Details
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Namespace Prefix: | abx_
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- Definition Number of minesite locations + References No definition available. + Details
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Namespace Prefix: | abx_
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- Definition Number of projects + References No definition available. + Details
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Namespace Prefix: | abx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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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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