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NON-CONTROLLING INTERESTS - Continuity (Details) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interests held by non-controlling interests | 16.00% |  |
Non-controlling interests, beginning balance | $ 8,395 | $ 8,395 |
Share of income (loss) |  | 1,290 | $ 605
Cash contributed |  | 11 | 140
Disbursements |  | (1,578) | (429)
Non-controlling interests, ending balance |  | 8,369 | 8,395
Subsidiaries |  |  |
Disclosure of subsidiaries [line items] |  |  |
Non-controlling interests, beginning balance | 8,395 | 8,395 | 1,792
Acquisitions |  |  | 6,782
Share of income (loss) |  | 1,290 | 605
Cash contributed |  | 11 | 140
Increase (decrease) in non-controlling interest |  | (251) | 495
Disbursements |  | (1,578) | (429)
Non-controlling interests, ending balance |  | $ 8,369 | 8,395
Nevada Gold Mines |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interests held by non-controlling interests |  | 38.50% |
Non-controlling interests, beginning balance | 6,039 | $ 6,039 | 0
Acquisitions |  |  | 5,910
Share of income (loss) |  | 965 | 275
Cash contributed |  | 0 | 90
Increase (decrease) in non-controlling interest |  | 0 | 0
Disbursements |  | (1,026) | (236)
Non-controlling interests, ending balance |  | $ 5,978 | 6,039
Pueblo Viejo |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interests held by non-controlling interests |  | 40.00% |
Non-controlling interests, beginning balance | 1,424 | $ 1,424 | 1,271
Acquisitions |  |  | 0
Share of income (loss) |  | 196 | 311
Cash contributed |  | 0 | 0
Increase (decrease) in non-controlling interest |  | 0 | 0
Disbursements |  | (427) | (158)
Non-controlling interests, ending balance |  | $ 1,193 | 1,424
Tanzanian Mines [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interests held by non-controlling interests |  | 16.00% |
Non-controlling interests, beginning balance | 0 | $ 0 | 502
Acquisitions |  |  | 0
Share of income (loss) |  | 57 | (7)
Cash contributed |  | 0 | 0
Increase (decrease) in non-controlling interest |  | (251) | 495
Disbursements |  | (45) | 0
Non-controlling interests, ending balance |  | $ 263 | 0
Loulo Gounkoto |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interests held by non-controlling interests |  | 20.00% |
Non-controlling interests, beginning balance | 901 | $ 901 | 0
Acquisitions |  |  | 887
Share of income (loss) |  | 68 | 30
Cash contributed |  | 0 | 0
Increase (decrease) in non-controlling interest |  | 0 | 0
Disbursements |  | (36) | (16)
Non-controlling interests, ending balance |  | $ 933 | 901
Tongon |  |  |
Disclosure of subsidiaries [line items] |  |  |
Proportion of ownership interests held by non-controlling interests |  | 10.30% |
Non-controlling interests, beginning balance | 47 | $ 47 | 0
Acquisitions |  |  | 61
Share of income (loss) |  | 9 | (3)
Cash contributed |  | 0 | 0
Increase (decrease) in non-controlling interest |  | 0 | 0
Disbursements |  | (17) | (11)
Non-controlling interests, ending balance |  | 39 | 47
Other |  |  |
Disclosure of subsidiaries [line items] |  |  |
Non-controlling interests, beginning balance | $ (16) | (16) | 19
Acquisitions |  |  | (76)
Share of income (loss) |  | (5) | (1)
Cash contributed |  | 11 | 50
Increase (decrease) in non-controlling interest |  | 0 | 0
Disbursements |  | (27) | (8)
Non-controlling interests, ending balance |  | $ (37) | $ (16)

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