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INCOME TAXES (Narrative) (Details) - USD ($) $ in Millions |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 30, 2019 | Jan. 01, 2017 | Jan. 31, 2020 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Schedule Of Income Taxes [Line Items] |  |  |  |  |  |  |
Total income taxes paid to all jurisdictions |  |  |  | $ 3,100 | $ 1,300 | $ 397 |
Tax refunds received from all jurisdictions |  |  |  | 46 | 109 | $ 265 |
Tax Attributes |  |  |  |  |  |  |
Foreign tax credits |  |  |  | 1,514 | 1,536 |  |
Valuation allowances |  |  |  | 3,985 | 4,087 |  |
Valuation allowance, increase (decrease) |  |  |  | 102 |  |  |
Deferred tax assets, alternative minimum tax refunds |  |  |  | $ 24 | $ 244 |  |
U.S. federal statutory tax rate |  |  |  | 21.00% | 21.00% | 21.00% |
Interest on income taxes accrued |  |  |  | $ 551 | $ 620 | $ 307 |
Unrecognized tax benefits |  |  |  | 810 | 808 | 474 | $ 491
Unrecognized tax benefits that would impact the effective tax rate |  |  |  | 689 |  |  |
Unrecognized tax benefits that would impact the effective tax rate, net of tax benefits |  |  |  | 485 |  |  |
Deferred income taxes |  |  |  | 36 | (171) | 181 |
PT Freeport Indonesia |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Loss Contingency, Loss in Period, Including Tax Charges |  |  |  | 13 | 384 | 46 | $ 304
Deferred income taxes |  |  |  | 69 |  |  |
Valuation allowance for operating loss carryforwards |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Valuation allowances |  |  |  | 1,800 |  |  |
Net Operating Losses |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Valuation allowance, increase (decrease) |  |  |  | $ 163 | 219 | 11 |
Domestic Deferred Tax Assets |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Valuation allowance, increase (decrease) |  |  |  |  | (228) | 250 |
SUNAT | Cerro Verde |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Foreign income tax rate under new stability agreement |  |  |  | 32.00% |  |  |
Foreign Tax Authority |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Tax Credit Carryforward, Valuation Allowance |  |  |  | $ 1,500 |  |  |
Income Tax Credits and Adjustments |  |  |  | 22 | 105 | $ 75 |
Foreign Tax Authority | Tax Authority, Spain |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Operating Loss Carryforwards |  |  |  | 500 |  |  |
Foreign Tax Authority | Tax Authority, In Papau, Indonesia |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Operating Loss Carryforwards |  |  |  | $ 500 |  |  |
Foreign Tax Authority | Chili - Service of Internal Taxes |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
U.S. federal statutory tax rate |  |  |  |  |  |  | 35.00%
Foreign Tax Authority | Chili - Service of Internal Taxes | Prior to September 2014 |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
U.S. federal statutory tax rate |  |  |  | 35.00% |  |  |
Foreign Tax Authority | Chili - Service of Internal Taxes | 2020 and thereafter |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
U.S. federal statutory tax rate |  |  |  |  |  | 44.50% |
Foreign Tax Authority | Chili - Service of Internal Taxes | Tax years 2017 through 2021 |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
U.S. federal statutory tax rate |  |  |  | 35.00% |  |  |
Foreign Tax Authority | Chili - Service of Internal Taxes | Tax Year 2022 and Thereafter |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
U.S. federal statutory tax rate |  |  | 44.50% | 44.50% |  |  |
Foreign Tax Authority | Chili - Service of Internal Taxes | Tax Years 2018 to 2023 | Minimum |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Mining royalty tax rate |  |  |  | 5.00% |  |  |
Foreign Tax Authority | Chili - Service of Internal Taxes | Tax Years 2018 to 2023 | Maximum |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Mining royalty tax rate |  |  |  | 14.00% |  |  |
Foreign Tax Authority | SUNAT | 2019 and thereafter |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
U.S. federal statutory tax rate |  |  |  |  |  |  | 26.00%
Dividend tax rate |  |  |  |  |  |  | 9.30%
Foreign Tax Authority | SUNAT | 2017 |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Dividend tax rate |  | 5.00% |  |  |  |  |
Corporate Income Tax Rate |  | 29.50% |  |  |  |  |
Foreign Tax Authority | Settlement with Taxing Authority | Tax Years 2012 to 2018 |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Payments for legal settlements | $ 250 |  |  |  |  |  |
Domestic Tax Authority |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Operating Loss Carryforwards |  |  |  | $ 5,500 |  |  |
Valuation allowances |  |  |  | 700 |  |  |
State and Local Jurisdiction |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Operating Loss Carryforwards |  |  |  | 10,500 |  |  |
PT Rio Tinto | Net Operating Losses |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Valuation allowance, increase (decrease) |  |  |  | 104 |  |  |
Indefinite-Lived Carryforward |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Operating Loss Carryforwards |  |  |  | 400 |  |  |
Other (expense) benefit | PT Freeport Indonesia |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Loss Contingency, Loss in Period, Including Tax Charges |  |  |  | 5 | 155 | $ 9 |
Deferred income taxes |  |  |  |  | 76 |  |
Interest expense | PT Freeport Indonesia |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Loss Contingency, Loss in Period, Including Tax Charges |  |  |  |  | 43 | 35 |
Income expense (benefit) | PT Freeport Indonesia |  |  |  |  |  |  |
Tax Attributes |  |  |  |  |  |  |
Loss Contingency, Loss in Period, Including Tax Charges |  |  |  | $ 8 | 186 | $ 2 |
Deferred income taxes |  |  |  |  | $ 7 |  |

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