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IMPAIRMENT AND REVERSAL OF NON-CURRENT ASSETS - Cash Generating Units (Details) $ in Millions	Dec. 31, 2019 USD ($)
Lumwana | Cash-generating units
Disclosure of information for cash-generating units [line items]
Carrying Value	$ 1,307
Bulyanhulu | Cash-generating units
Disclosure of information for cash-generating units [line items]
Carrying Value	579
Veladero [Member] | Cash-generating units
Disclosure of information for cash-generating units [line items]
Carrying Value	692
Loulo Gounkoto | Cash-generating units
Disclosure of information for cash-generating units [line items]
Carrying Value	4,198
Pascua-Lama | Cash-generating units
Disclosure of information for cash-generating units [line items]
Carrying Value	153
Silver Wheaton Corp. | Pascua-Lama
Disclosure of information for cash-generating units [line items]
Carrying Value	$ 253

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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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- Definition

The higher of an asset’s (or cash-generating unit’s) fair value less costs of disposal and its value in use. [Refer: Cash-generating units [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 36
-IssueDate 2018-01-01
-Paragraph 130
-Subparagraph e
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