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OTHER ASSETS (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Disclosure of detailed information about other non-current assets [Line Items]    
Value added taxes receivable $ 199 $ 193
Other investments 414 428
Notes receivable 123 154
Norte Abierto JV Partner Receivable 150 193
Restricted cash 147 146
Non-current prepayments 253 161
Non-current derivative financial assets 53 40
Other 170 148
Other non-current assets 1,509 1,463
Argentina    
Disclosure of detailed information about other non-current assets [Line Items]    
Non-current value added tax receivables 47 52
Tanzania    
Disclosure of detailed information about other non-current assets [Line Items]    
Non-current value added tax receivables 94 79
Chile    
Disclosure of detailed information about other non-current assets [Line Items]    
Non-current value added tax receivables $ 58 $ 61