Contingencies and Commitments - Litigation (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($)	Dec. 31, 2019 case
Loss Contingencies [Line Items]
Payments for Legal Settlements | $	$ 15
Louisiana Parishes Coastal Erosion Cases | FCX affiliates
Loss Contingencies [Line Items]
Number of pending claims		42
Number of Parishes That Filed Claims		6
Settled litigation | Louisiana Parishes Coastal Erosion Cases | FCX affiliates
Loss Contingencies [Line Items]
Number of pending claims		13