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FINANCIAL INSTRUMENTS - Commodity Price Risk (Details) - Commodity price risk - Cash flow hedges
$ in Millions
12 Months Ended
Dec. 31, 2021
USD ($)
Brent Crude Oil Option Contracts (barrels)  
Disclosure of detailed information about hedging instruments [line items]  
Risk exposure associated with instruments sharing characteristic $ 18.7
Increase of 10%, sensitivity analysis 26.7
Decrease of 10%, sensitivity analysis 10.9
WTI Crude Oil Option Contracts  
Disclosure of detailed information about hedging instruments [line items]  
Risk exposure associated with instruments sharing characteristic 19.7
Increase of 10%, sensitivity analysis 27.9
Decrease of 10%, sensitivity analysis 11.6
Gold price contracts  
Disclosure of detailed information about hedging instruments [line items]  
Risk exposure associated with instruments sharing characteristic 1.0
Increase of 10%, sensitivity analysis (7.9)
Decrease of 10%, sensitivity analysis $ 15.0