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Contingencies and Commitments - Other Matters (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Jan. 01, 2022
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2023
Mar. 31, 2022
Loss Contingencies [Line Items]          
PT-FI Export Licenses, Review By Indonesia Government, Term       6 months  
PT-FI Export Duty Rate 5.00%       2.50%
Construction Progress Manyar Smelter, Percentage   50.00%      
PT Freeport Indonesia          
Loss Contingencies [Line Items]          
Payment for Administrative Fees     $ 57    
Administrative fine         $ 41