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REVENUE - Revenue by Type (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Disclosure of Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 2,893 | $ 3,055 | $ 5,849 | $ 5,776
Gold |  |  |  |
Disclosure of Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 2,589 | 2,812 | 5,230 | 5,405
Spot market sales |  |  |  |
Disclosure of Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 2,524 | 2,617 | 5,139 | 5,172
Concentrate sales |  |  |  |
Disclosure of Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 63 | 191 | 92 | 229
Gold provisional pricing adjustments [Member] |  |  |  |
Disclosure of Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 2 | 4 | (1) | 4
Copper |  |  |  |
Disclosure of Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 234 | 184 | 490 | 283
Copper concentrate [Member] |  |  |  |
Disclosure of Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 234 | 157 | 445 | 280
Copper provisional pricing adjustments [Member] |  |  |  |
Disclosure of Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | 0 | 27 | 45 | 3
Other |  |  |  |
Disclosure of Disaggregation of Revenue [Line Items] |  |  |  |
Revenue | $ 70 | $ 59 | $ 129 | $ 88

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