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INVESTMENTS - Summarized Equity Investee Financial Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Kibali [Member]    
Disclosure of joint ventures [line items]    
Revenue $ 1,469 $ 1,440
Cost of sales (excluding depreciation) 515 495
Depreciation expense 314 387
Finance expense (income) (1) (1)
Other expenses (income) 68 43
Income before income taxes 573 516
Income tax expense (141) (94)
Net income 432 422
Total comprehensive income 432 422
Jabal Sayid [Member]    
Disclosure of joint ventures [line items]    
Revenue 597 400
Cost of sales (excluding depreciation) 157 154
Depreciation expense 42 54
Finance expense (income) 1 0
Other expenses (income) (5) 4
Income before income taxes 402 188
Income tax expense (84) (40)
Net income 318 148
Total comprehensive income 318 148
Zaldívar    
Disclosure of joint ventures [line items]    
Revenue 847 595
Cost of sales (excluding depreciation) 469 380
Depreciation expense 158 143
Finance expense (income) (4) 1
Other expenses (income) 25 32
Income before income taxes 199 39
Income tax expense (61) (15)
Net income 138 24
Total comprehensive income $ 138 $ 24