Contingencies and Commitments - Other Matters (Details) t in Millions, $ in Millions	1 Months Ended		3 Months Ended	6 Months Ended			12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2023	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2024	Aug. 01, 2023	Jul. 24, 2023 t	Jul. 15, 2023 USD ($)	Dec. 31, 2022 USD ($)
Loss Contingencies [Line Items]
Export duties, construction progress, threshold					50.00%
Construction progress Manyar smelter, percentage	50.00%
Other assets					$ 1,764						$ 1,601
Estimated future deposit					250
Bank Time Deposits | Carrying Amount, Fair Value Disclosure
Loss Contingencies [Line Items]
Other assets					$ 134						$ 133
Subsequent event
Loss Contingencies [Line Items]
Export license granted for concentrate | t									1.7
Export proceeds to be held in Indonesian banks, percent								30.00%
Export proceeds to be held in Indonesian banks, term								90 days
Forecast | Smelter Progress from 70% to 90%
Loss Contingencies [Line Items]
Export duty to be paid, percent				7.50%			10.00%
Forecast | Smelter Progress Above 90%
Loss Contingencies [Line Items]
Export duty to be paid, percent				5.00%			7.50%
Minimum
Loss Contingencies [Line Items]
Export duties, smelter construction progress, percent					70.00%
Maximum
Loss Contingencies [Line Items]
Export duties, smelter construction progress, percent					90.00%
PT Freeport Indonesia
Loss Contingencies [Line Items]
Payment for administrative fees		$ 57
Administrative fine			$ 41		$ 55	$ 41
PT Freeport Indonesia | Subsequent event
Loss Contingencies [Line Items]
Loss contingency, estimate of possible loss										$ 55