DEBT - Components of Debt (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Debt Instruments [Line Items]
Debt issuance costs, net	$ 58	$ 67
Long-term debt	8,948	9,422
Less current portion of debt	(41)	(766)
Long-term debt	$ 8,907	8,656
Senior Notes \| 4.55% Senior Notes
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.55%
Long-term debt	$ 0	730
Senior Notes \| Senior Notes due 2027, 5%
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.00%
Long-term debt	$ 449	448
Senior Notes \| Senior Notes Due 2028, 4.125%
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.125%
Long-term debt	$ 484	483
Senior Notes \| Senior Notes Due 2028, 4.375%
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.375%
Long-term debt	$ 431	430
Senior Notes \| Senior Notes due 2029, 5.25%
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.25%
Long-term debt	$ 469	468
Senior Notes \| Senior Notes Due 2030, 4.25%
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.25%
Long-term debt	$ 447	446
Senior Notes \| Senior Notes Due 2030, 4.625%
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.625%
Long-term debt	$ 589	588
Senior Notes \| Senior Notes due 2034 5 point 4 percent
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.40%
Long-term debt	$ 724	723
Senior Notes \| 5.450% Senior Notes due March 2043
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.45%
Long-term debt	$ 1,688	1,689
Other Debt
Debt Instruments [Line Items]
Long-term debt	$ 81	83
Freeport McMoRan Corporation \| Senior Notes \| Debentures Due 2027
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	7.125%
Freeport McMoRan Corporation \| Senior Notes \| Senior Notes Due 2031
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	9.50%
Long-term debt	$ 119	121
Freeport McMoRan Corporation \| Senior Notes \| Senior Notes Due 2034
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.125%
Long-term debt	$ 119	118
Freeport McMoRan Corporation \| Debentures \| Debentures Due 2027
Debt Instruments [Line Items]
Long-term debt	115	115
Freeport McMoRan Corporation \| Revolving Credit Facility
Debt Instruments [Line Items]
Long-term line of credit	0	0
PT-FI \| Senior Notes \| Senior Notes Due 2027, 4.763%
Debt Instruments [Line Items]
Long-term debt	747	746
PT-FI \| Senior Notes \| Senior Notes Due 2032, 5.315%
Debt Instruments [Line Items]
Long-term debt	1,491	1,490
PT-FI \| Senior Notes \| Senior Notes Due 2052, 6.200%
Debt Instruments [Line Items]
Long-term debt	745	744
PT-FI \| Revolving Credit Facility
Debt Instruments [Line Items]
Long-term line of credit	250	0
Cerro Verde \| Revolving Credit Facility
Debt Instruments [Line Items]
Long-term line of credit	$ 0	$ 0
Freeport-McMoRan Oil & Gas \| Senior Notes \| Senior Notes Due 2027, 4.763%
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	4.763%
Freeport-McMoRan Oil & Gas \| Senior Notes \| Senior Notes Due 2032, 5.315%
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.315%
Freeport-McMoRan Oil & Gas \| Senior Notes \| Senior Notes Due 2052, 6.200%
Debt Instruments [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.20%

Contractual interest rate for funds borrowed, under the debt agreement.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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