Estimated mineral price for measurement of fair value less costs Of disposal

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The amount of acquisition-related costs for transactions recognised separately from the acquisition of assets and the assumption of liabilities in business combinations. [Refer: Business combinations [member]]

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- Definition

Adjustments for fair value losses (gains) to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]

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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.

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No definition available.

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The amount of non-controlling interest in the acquiree recognised at the acquisition date for business combinations in which the acquirer holds less than 100 per cent of the equity interests in the acquiree at the acquisition date. [Refer: Business combinations [member]]

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The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]

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The profit (loss) of the acquiree, since the acquisition date, included in the consolidated statement of comprehensive income. [Refer: Profit (loss)]

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- Definition

The profit (loss) of the combined entity as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period. [Refer: Business combinations [member]; Profit (loss)]

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- Definition

The proportion of ownership interest in a joint operation attributable to the entity. [Refer: Joint operations [member]]

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The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]]

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The proportion of ownership interests in a subsidiary held by non-controlling interests. [Refer: Subsidiaries [member]; Non-controlling interests]

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The amount of revenue of the acquiree since the acquisition date included in the consolidated statement of comprehensive income. [Refer: Revenue]

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The revenue of the combined entity as though the acquisition date for all business combinations that occurred during the year had been as of the beginning of the annual reporting period. [Refer: Business combinations [member]; Revenue]

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ACQUISITIONS AND DIVESTITURES - Business Combination of Newmont (Details) $ in Millions			3 Months Ended	6 Months Ended		12 Months Ended
	Jan. 01, 2020	Mar. 10, 2019	Sep. 30, 2019 USD ($) $ / bbl	Jun. 30, 2020 Rate	Dec. 31, 2019 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Jun. 30, 2019 USD ($)
Disclosure of detailed information about business combination [line items]
Proportion of ownership interests held by non-controlling interests	16.00%
Proportion of ownership interest in subsidiary						100.00%
Remeasurement of Turquoise Ridge to fair value (note 4)						$ 0	$ (1,886)
Acquisition-related costs for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination						$ 0	18
Turquoise Ridge
Disclosure of detailed information about business combination [line items]
Proportion of ownership in joint operation \| Rate				75.00%
Remeasurement of Turquoise Ridge to fair value (note 4)			$ 1,900
Barrick Nevada Mines [Member]
Disclosure of detailed information about business combination [line items]
Proportion of ownership interest in subsidiary \| Rate				100.00%
Nevada Gold Mines
Disclosure of detailed information about business combination [line items]
Proportion of ownership interests held by non-controlling interests						38.50%
Proportion of ownership interest in subsidiary						61.50%
Mineral price (gold, in dollars per ounce; copper, in dollars per pound) \| $ / bbl			1,300
Newmont [Member]
Disclosure of detailed information about business combination [line items]
Percentage of voting equity interests acquired		61.50%
Proportion of ownership interests held by non-controlling interests		38.50%
Non-controlling interest in acquiree recognised at acquisition date			$ 1,645					$ 2,440
Revenue of acquiree since acquisition date					$ 1,184
Profit (loss) of acquiree since acquisition date					$ 322
Revenue of combined entity as if combination occurred at beginning of period							10,745
Profit (loss) of combined entity as if combination occurred at beginning of period							4,500
Acquisition-related costs for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination							$ 30