OTHER ASSETS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule Of Other Assets [Line Items]
Intangible Assets, Net (Excluding Goodwill)	$ 422	$ 416
Legally restricted fundsg	212	182
Long-term receivable for taxes	70	54
Investments: [Abstract]
Assurance bond	97	133
Available-for-sale Securities, Noncurrent	84	79
Materials, Supplies, and Other	26	24
Prepaid rent and deposits	39	26
Other	182	144
Total other assets	1,810	1,601
Indefinite-lived Intangible Assets (Excluding Goodwill)	214	214
Finite-Lived Intangible Assets, Accumulated Amortization	43	39
Equity in affiliated companies’ net earnings	15	31	$ 5
Finite-Lived Intangible Assets, Net	208	202
PT Smelting
Investments: [Abstract]
Loans to PT Smelting	233	101
PT-FI
Schedule Of Other Assets [Line Items]
Long-term receivable for taxes	10	12
Cerro Verde
Schedule Of Other Assets [Line Items]
Long-term receivable for taxes	274	333
PT Smelting
Investments: [Abstract]
PT Smelting	123	50
Equity in affiliated companies’ net earnings		112
Accounts Receivable, before Allowance for Credit Loss, Current		277
NEW MEXICO
Investments: [Abstract]
Legally restricted funds for asset retirement obligations at New Mexico mines	200
Deepwater Gulf of Mexico Interests | Freeport-McMoRan Oil & Gas
Investments: [Abstract]
Total other assets	$ 38	$ 47