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IMPAIRMENT OF GOODWILL AND OTHER ASSETS Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Mar. 31, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [abstract] |  |  |  |  |
Impairment reversals | $ (23) |  | $ (12) | $ 313 | $ (15)
Tanzanian Mines |  |  |  |  |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [abstract] |  |  |  |  |
Loss (gain) on assignment of shareholder loans |  | $ 167 |  |  |
Proportion of ownership interests held by non-controlling interests |  | 16.00% |  | 16.00% |
Impairment reversals |  |  |  | $ 332 |
Tanzanian Mines | Non-controlling interests |  |  |  |  |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [abstract] |  |  |  |  |
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity |  |  |  | 238 |
Porgera |  |  |  |  |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [abstract] |  |  |  |  |
Recoverable amount of asset or cash-generating unit | $ 254 |  |  | $ 254 |
Proportion of ownership interest in joint venture | 47.50% |  |  |  |
Individual assets or cash-generating units [member] | North Mara1 [Member] |  |  |  |  |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [abstract] |  |  |  |  |
Recoverable amount of asset or cash-generating unit |  | $ 967 |  |  |
Impairment reversals |  | (88) |  |  |
Individual assets or cash-generating units [member] | Bulyanhulu [Member] |  |  |  |  |
Disclosure of information for impairment loss recognised or reversed for individual asset or cash-generating unit [abstract] |  |  |  |  |
Recoverable amount of asset or cash-generating unit |  | 1,237 |  |  |
Impairment reversals |  | $ (649) |  |  |

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- Definition The amount of impairment loss, impairment gain or reversal of impairment loss that is recognised in profit or loss in accordance with paragraph 5.5.8 of IFRS 9 and that arises from applying the impairment requirements in Section 5.5 of IFRS 9. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 82 -Subparagraph ba -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_82_ba&doctype=Standard -URIDate 2019-03-27 + Details
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