The dollar value of the pounds of copper purchased from joint venture partner.

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The percent interest the subsidiary has in the Contract of Work and future exploration projects held by the joint venture partner in certain assets and future production.

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Amount of net assets (liabilities).

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Amounts due from an entity in which the reporting entity shares joint control with another party or group, due within 1 year (or 1 business cycle).

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Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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Percent of net assets at close of period. For schedules of investments that are categorized, each category has a percent of net assets for the aggregated value of the Investments in the category.

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Receivables to be collected from (obligations owed to) related parties, net as of the balance sheet date where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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OWNERSHIP IN SUBSIDIARIES AND JOINT VENTURES (Details) oz in Millions, lb in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2016 USD ($) lb oz	Dec. 31, 2015 USD ($)	Dec. 31, 1994 lb oz
Summary of investment holdings [Line Items]
Retained Earnings (accumulated deficit)		$ (16,540)	$ (12,387)
Freeport-McMoRan Corporation [Member]
Summary of investment holdings [Line Items]
Number of pounds of copper purchased from Sumitomo (in pounds) \| lb		165
Sumitomo Metal Mining, Ltd. and SMM Morenci Inc. [Member]
Summary of investment holdings [Line Items]
Dollar value of pounds purchased from Sumitomo		$ 362
Due from Joint Ventures, Current		$ 15
PT-FI
Summary of investment holdings [Line Items]
Percent interest in certain assets and future production per terms of the joint venture agreement		60.00%
Percentage of cash flows from specified annual amounts of copper, gold and silver calculated by reference to proven and probable reserves as of 12/31/1994 (in hundredths)		100.00%
Percentage of remaining cash flows		60.00%
Percentage of optional participation of any other future exploration costs shared by joint venture		60.00%
PT Freeport Indonesia [Member]
Summary of investment holdings [Line Items]
Net assets (liabilities) in subsidiary		$ 6,400
Retained Earnings (accumulated deficit)		6,100
Loans outstanding		$ 88
Rio Tinto Share In Joint Venture [Member]
Summary of investment holdings [Line Items]
Percent interest in certain assets and future production per terms of the joint venture agreement		40.00%
Percentage of optional participation of any other future exploration costs shared by joint venture		40.00%
Sumitomo Metal Mining Co., Ltd. [Member]
Summary of investment holdings [Line Items]
Due from Joint Ventures, Current			$ 10
Copper
Summary of investment holdings [Line Items]
Estimated Recoverable Proven And Probable Reserves (in pounds) \| lb		104,600
Copper \| PT-FI
Summary of investment holdings [Line Items]
Estimated Recoverable Proven And Probable Reserves (in pounds) \| lb				27,100
Gold
Summary of investment holdings [Line Items]
Estimated Recoverable Proven And Probable Reserves (in pounds) \| oz		37.6
Gold \| PT-FI
Summary of investment holdings [Line Items]
Estimated Recoverable Proven And Probable Reserves (in pounds) \| oz				38.4
Silver \| PT-FI
Summary of investment holdings [Line Items]
Estimated Recoverable Proven And Probable Reserves (in pounds) \| oz				75.8
Morenci
Summary of investment holdings [Line Items]
Ownership percentage		72.00%
Morenci \| SMM Morenci Inc. [Member]
Summary of investment holdings [Line Items]
Ownership percentage		13.00%
Morenci \| Sumitomo Metal Mining Co., Ltd. [Member]
Summary of investment holdings [Line Items]
Ownership percentage		15.00%
Cerro Verde [Member]
Summary of investment holdings [Line Items]
Ownership percentage		53.56%
Other North America Mines [Member]
Summary of investment holdings [Line Items]
Ownership percentage		100.00%
El Abra [Member]
Summary of investment holdings [Line Items]
Ownership percentage		51.00%
PT Indocopper Investama [Member]
Summary of investment holdings [Line Items]
Ownership percentage		100.00%
Freeport Minerals Corporation [Member]
Summary of investment holdings [Line Items]
Loans outstanding		$ 0
Freeport Minerals Corporation [Member] \| Subsidiaries [Member]
Summary of investment holdings [Line Items]
Net assets (liabilities) in subsidiary		15,800
Retained Earnings (accumulated deficit)		$ (14,100)
PT Freeport Indonesia [Member]
Summary of investment holdings [Line Items]
Ownership percentage		81.28%
PT Freeport Indonesia [Member] \| PT Indocopper Investama [Member]
Summary of investment holdings [Line Items]
Ownership percentage		9.36%
PT Freeport Indonesia [Member] \| Rio Tinto Share In Joint Venture [Member]
Summary of investment holdings [Line Items]
Percentage interest in joint venture contract of work by third party		40.00%
Optional Participation Of Future Exploration Costs Shared By Joint Venture Percentage		40.00%
Atlantic Copper [Member]
Summary of investment holdings [Line Items]
Ownership percentage		100.00%
Net assets (liabilities) in subsidiary		$ (25)
Retained Earnings (accumulated deficit)		(436)
Loans outstanding		$ 290
Freeport-McMoRan Oil & Gas
Summary of investment holdings [Line Items]
Ownership percentage		100.00%
Net assets (liabilities) in subsidiary		$ (13,400)
Retained Earnings (accumulated deficit)		(25,000)
Loans outstanding		9,100
Rio Tinto [Member] \| Co-venturer [Member]
Summary of investment holdings [Line Items]
Due to Related Parties, Current		$ 10
Scenario, Forecast [Member] \| Rio Tinto Share In Joint Venture [Member]
Summary of investment holdings [Line Items]
Percent interest in certain assets and future production per terms of the joint venture agreement	40.00%