Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.

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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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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which is directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent (that is, noncontrolling interest, previously referred to as minority interest).

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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No definition available.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount of current assets classified as other.

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Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

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This element represents the cash inflow during the period from the sale of a component of the entity.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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DISPOSITIONS AND ACQUISITIONS (PT-FI Divestment) (Details) - USD ($) $ in Millions		12 Months Ended			24 Months Ended
	Dec. 21, 2018	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2020	Jan. 01, 2023	Jan. 01, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestiture, net	$ 350
Accounts payable and accrued liabilities		$ 2,269	$ 2,491		$ 2,269
Net income (loss)		865	(189)	$ 2,894
Other current assets		341	655		341
Property, plant, equipment and mine development costs, net		29,818	29,584		29,818
Deferred Income Tax Liabilities, Net		4,408	4,210		4,408
Noncontrolling interests		8,494	8,150		8,494
Capital in excess of par value		$ 26,037	25,830		$ 26,037
Rio Tinto Share In Joint Venture
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestiture, net	$ 107
PT-FI
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage	81.28%	48.76%			48.76%
Net income (loss)		$ 765	203		$ 425
Net Income (Loss) Attributable to Parent		$ 621	$ 165		$ 346
PT-FI \| Scenario, forecast
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage						48.76%
PT Freeport Indonesia, Subsidiary \| PT-FI
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage	19.00%
PT Indonesia Papua Metal dan Mineral \| PT-FI
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership interest by parent subsequent to business acquisition	25.00%
PT Indonesia Papua Metal dan Mineral \| PT-FI \| Scenario, forecast
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage						25.00%
Rio Tinto \| Rio Tinto Share In Joint Venture
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestiture, net	$ 3,500
PT Indonesia Asahan Aluminium (Persero) (Inalum) \| PT-FI
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestiture, net	$ 3,850
PT Indonesia Asahan Aluminium (Persero) (Inalum) \| Interest In PT Indocopper Investama
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Percentage of voting interest	100.00%
PT Indonesia Asahan Aluminium (Persero) (Inalum) \| PT-FI
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Percentage of voting interest	40.00%
Ownership interest by parent subsequent to business acquisition	26.24%
PT Indonesia Asahan Aluminium (Persero) (Inalum) \| PT-FI \| Scenario, forecast
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage						26.24%
PT-FI \| PT-FI
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership interest by parent subsequent to business acquisition	51.24%
PT-FI
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage of subsidiary	48.76%
PT-FI \| Scenario, forecast
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage of subsidiary						48.76%	81.00%
PT-FI \| PT-FI
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage of subsidiary		48.76%			48.76%
PT-FI \| PT Indonesia Papua Metal dan Mineral
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership percentage	9.36%
Indemnification Agreement [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts payable and accrued liabilities		$ 42			$ 42