Amount of net assets (liabilities).

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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OWNERSHIP IN SUBSIDIARIES AND JOINT VENTURES - Ownership in Subsidiaries (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021	Dec. 21, 2018
Summary of investment holdings [Line Items]
Retained Earnings (Accumulated Deficit)	$ 3,907,000,000	$ 7,375,000,000
PT Freeport Indonesia
Summary of investment holdings [Line Items]
Net assets (liabilities) in subsidiary	13,000,000,000
Retained Earnings (Accumulated Deficit)	$ (8,400,000,000)
Morenci
Summary of investment holdings [Line Items]
Ownership percentage	72.00%
Other North America [Member]
Summary of investment holdings [Line Items]
Ownership percentage	100.00%
Cerro Verde [Member]
Summary of investment holdings [Line Items]
Ownership percentage	53.56%
El Abra [Member]
Summary of investment holdings [Line Items]
Ownership percentage	51.00%
Freeport Minerals Corporation [Member]
Summary of investment holdings [Line Items]
Loans outstanding	$ 1,000,000
Freeport Minerals Corporation [Member] \| Subsidiaries [Member]
Summary of investment holdings [Line Items]
Net assets (liabilities) in subsidiary	19,000,000,000
Retained Earnings (Accumulated Deficit)	$ 12,200,000,000
PT Freeport Indonesia
Summary of investment holdings [Line Items]
Ownership percentage	48.76%		81.00%
Loans outstanding	$ 0
Atlantic Copper [Member]
Summary of investment holdings [Line Items]
Ownership percentage	100.00%
Net assets (liabilities) in subsidiary	$ 104,000,000
Retained Earnings (Accumulated Deficit)	440,000,000
Loans outstanding	$ 456,000,000