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Debt and Equity - Components of Debt (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Debt Instrument [Line Items] |  |
Long-term debt | $ 10,690 | $ 9,450
Less current portion of debt | (1,032) | (372)
Long-term debt, less current portion | 9,658 | 9,078
Senior Notes | FCX |  |
Debt Instrument [Line Items] |  |
Long-term debt | 7,301 | 8,268
Senior Notes | PT-FI |  |
Debt Instrument [Line Items] |  |
Long-term debt | 2,976 | 0
Debentures | Freeport McMoRan Corporation |  |
Debt Instrument [Line Items] |  |
Long-term debt | 355 | 355
Line of Credit | PT-FI Term Loan |  |
Debt Instrument [Line Items] |  |
Long-term debt | 0 | 432
Line of Credit | Cerro Verde |  |
Debt Instrument [Line Items] |  |
Long-term debt | 0 | 325
Other Debt, Including Capital Leases and Short Term Borrowings [Member] |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 58 | $ 70

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