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SEGMENT INFORMATION Narrative (Details) | Jun. 30, 2024 minesite
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Operating segments [Abstract] |
Number of minesite locations | 16
Number of gold mines | 8
Number of copper mines | 1

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- Definition Number of copper mines + References No definition available. + Details
Name: | abx_NumberOfCopperMines
Namespace Prefix: | abx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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

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

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- Definition Operating segments + References No definition available. + Details
Name: | abx_OperatingSegmentsAbstract
Namespace Prefix: | abx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration