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Income Taxes - Additional Information (Details) - USD ($) $ in Millions |  | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
Jan. 01, 2023 | May 31, 2024 | Jun. 30, 2024 | Jun. 30, 2024 | Jun. 30, 2023
Income Tax Contingency [Line Items] |  |  |  |  |
Consolidated effective income tax rate (percent) |  |  |  | 34.00% | 37.00%
Tax benefit related to closure of tax audit |  |  |  | $ 182 |
Nondeductible charges |  |  |  |  | $ 142
Unrecognized Tax Benefits, Period Increase (Decrease) |  | $ 269 |  |  |
Unrecognized Tax Benefits, Decrease In Interest And Penalties |  | $ 319 |  |  |
Three Years Average AFSI Limit, Corporate Alternative Minimum Tax | $ 1,000 |  |  |  |
Corporate Alternative Minimum Tax For Corporations With Average AFSI Over $1 Billion, Rate | 15.00% |  |  |  |
PT Freeport Indonesia |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Deferred Income Tax Credits |  |  | $ 215 | 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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