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Income Taxes - Additional Information (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Income Tax Contingency [Line Items] |  |
Consolidated effective income tax rate (percent) | 31.00% | 32.00%
Tax benefit related to closure of tax audit | $ 182 |
PT Freeport Indonesia |  |
Income Tax Contingency [Line Items] |  |
Deferred Income Tax Credits | 215 |
Unrecognized Tax Benefits, Period Increase (Decrease) | 276 |
Unrecognized Tax Benefits, Decrease In Interest And Penalties | 43 |
Unrecognized Tax Benefits, Decrease In Contingencies | 179 |
Unrecognized Tax Benefits, Decrease In Contingencies, Penalties And Interest | 35 |
PT Freeport Indonesia | Income Expense (Benefit) |  |
Income Tax Contingency [Line Items] |  |
Deferred Income Tax Credits | 199 |
Deferred Income Taxes | 17 |
PT Freeport Indonesia | Direct Operating Costs |  |
Income Tax Contingency [Line Items] |  |
Deferred Income Tax Credits | 8 |
PT Freeport Indonesia | Interest Income (Expense), Net |  |
Income Tax Contingency [Line Items] |  |
Deferred Income Tax Credits | 8 |
PT Freeport Indonesia | Other Nonoperating Income (Expense) |  |
Income Tax Contingency [Line Items] |  |
Deferred Income Taxes | $ 26 |

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