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Common Stock, Dividends, Per Share, Variable Cash

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Debt Instrument, Cumulative Repurchase Cost

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Debt Instrument, Cumulative Repurchased Face Amount

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Tax Matters In Peru, Contingent Liability

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Aggregate dividends declared during the period for each share of common stock outstanding.

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

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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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Amount of interest capitalized during the period.

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Total interest costs incurred during the period and either capitalized or charged against earnings.

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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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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Number of pending claims pertaining to a loss contingency.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Amount remaining of a stock repurchase plan authorized.

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Amount of decrease of par value, additional paid in capital (APIC) and retained earnings of common and preferred stock retired from treasury when treasury stock is accounted for under the cost method.

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Debt and Equity - Additional Information (Details) $ / shares in Units, shares in Millions, $ in Millions		1 Months Ended	3 Months Ended		9 Months Ended		22 Months Ended	27 Months Ended
	Sep. 20, 2023 $ / shares	Mar. 31, 2023 USD ($)	Sep. 30, 2023 USD ($) $ / shares	Sep. 30, 2022 USD ($) $ / shares	Sep. 30, 2023 USD ($) $ / shares	Sep. 30, 2022 USD ($) $ / shares	Nov. 02, 2023 USD ($)	Sep. 30, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($)	Oct. 31, 2022 USD ($)	May 31, 2022 USD ($)	Dec. 31, 2019 case
Debt Instrument [Line Items]
Long-term debt			$ 9,405		$ 9,405			$ 9,405	$ 10,620
Repayments of debt					2,397	$ 4,073
Interest costs			165	$ 182	606	$ 524
Treasury stock purchases (in shares) \| shares								47.8
Shares repurchased								$ 1,800
Cost per share repurchased (in dollars per share) \| $ / shares								$ 38.35
Remaining authorized shares repurchase amount			$ 3,200		$ 3,200			$ 3,200
Dividends declared per share of common stock (in dollars per share) \| $ / shares	$ 0.15		$ 0.15	$ 0.15	$ 0.45	$ 0.45
Base cash dividend (in dollars per share) \| $ / shares	0.075
Variable cash dividend (in dollars per share) \| $ / shares	$ 0.075
Tax Matters In Peru, Contingent Liability					$ 74
FCX affiliates \| Louisiana Parishes Coastal Erosion Cases
Debt Instrument [Line Items]
Number of pending claims \| case												42
FCX affiliates \| Louisiana Parishes Coastal Erosion Cases \| Settled litigation
Debt Instrument [Line Items]
Number of pending claims \| case												13
Unsecured Credit Facility \| PT-FI
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			$ 1,300		1,300			1,300
Unsecured Credit Facility \| Cerro Verde
Debt Instrument [Line Items]
Letter of credit			0		0			0
Line of credit facility, maximum borrowing capacity											$ 350
Revolving Credit Facility \| PT-FI
Debt Instrument [Line Items]
Letter of credit			0		0			0
Property, Plant and Equipment
Debt Instrument [Line Items]
Interest costs capitalized			69	$ 42	188	$ 101
Line of Credit \| Letter of Credit
Debt Instrument [Line Items]
Letter of credit			7		7			7
Revolving credit facility, availability										$ 1,500
Line of Credit \| Revolving Credit Facility \| October 2022 Unsecured Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			3,000		3,000			3,000
Line of Credit \| Revolving Credit Facility \| PT-FI \| October 2022 Unsecured Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity										$ 500
Senior Notes
Debt Instrument [Line Items]
Repurchased senior notes			102		233
Senior Notes \| Subsequent event
Debt Instrument [Line Items]
Cumulative repurchased principal amount							$ 1,300
Cumulative repurchase cost							$ 1,200
Senior Notes \| PT-FI
Debt Instrument [Line Items]
Long-term debt			$ 2,980		$ 2,980			$ 2,980	$ 2,978
Repayments of debt		$ 996
Stated interest rate		3.875%