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INVENTORIES - Narrative (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Inventories [Abstract] |  |
Purchase obligation for supplies and consumables | $ 1,753 | $ 1,718

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

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- Definition The amount of future purchase obligations for supplies and consumables that the entity is committed to make + References No definition available. + Details
Name: | abx_PurchaseObligationsForSuppliesAndConsumables
Namespace Prefix: | abx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant