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CONTINGENCIES (Tax and Other Matters) (Details) $ in Millions, Rp in Billions | 1 Months Ended | 12 Months Ended | 21 Months Ended |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2022 USD ($) | Jan. 31, 2021 USD ($) | Oct. 31, 2019 USD ($) | Oct. 31, 2019 IDR (Rp) | Dec. 31, 2018 USD ($) | Dec. 31, 2018 IDR (Rp) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 IDR (Rp) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 IDR (Rp) | Dec. 21, 2018 | Mar. 31, 2022 USD ($) | Jan. 31, 2022 USD ($)
Income Tax Examination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term receivable for taxes | $ 54 |  |  |  |  |  | $ 54 | $ 84 |  |  |  |  |  |  |
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization |  |  |  |  |  |  | 13,041 | 12,016 |  | $ 10,031 |  |  |  |  |
Export Duties Expense |  |  |  |  |  |  | $ 325 | 218 |  | 92 |  |  |  |  |
Surface Water Taxes, Papua, Indonesia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Tax Examination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization |  |  |  |  | $ 69 |  |  |  |  |  | $ 28 |  |  |  |
PT-FI |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Tax Examination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Progressive export duty on copper concentrates, lower threshold, percent | 2.50% |  |  |  |  |  | 2.50% |  |  |  |  |  |  |  |
Progressive export duty on copper concentrates, higher threshold, percent | 5.00% |  |  |  |  |  | 5.00% |  |  |  |  |  | 7.50% |  |
Export Duties Expense |  |  |  |  |  |  | $ 325 | 218 |  | $ 92 |  |  |  |  |
Loss contingency, loss in period |  |  |  |  |  |  |  | 16 |  |  |  |  |  |  |
Administrative Fees Expense |  | $ 149 |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax examination, assessments, penalties and interest not accrued | $ 400 |  |  |  |  |  | 400 |  |  |  |  |  |  |  |
Loss contingency, estimate of possible loss |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 41 | $ 57
Cerro Verde |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Tax Examination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax examination, assessments, penalties and interest not accrued | 400 |  |  |  |  |  | 400 |  |  |  |  |  |  |  |
SUNAT | PT-FI |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Tax Examination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term receivable for taxes | 193 |  |  |  |  |  | 193 |  |  |  |  |  |  |  |
Increase (decrease) in income taxes receivable | 181 |  |  |  |  |  | 181 |  |  |  |  |  |  |  |
SUNAT | Cerro Verde |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Tax Examination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term receivable for taxes | 741 |  |  |  |  |  | 741 |  |  |  |  |  |  |  |
Increase (decrease) in income taxes receivable | 408 |  |  |  |  |  | 408 |  |  |  |  |  |  |  |
Tax Authority, In Papau, Indonesia | PT-FI | Surface Water Taxes, Papua, Indonesia | Penalties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Tax Examination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments for legal settlements |  |  | $ 50 | Rp 708.5 |  |  |  | 48 | Rp 685.5 |  |  |  |  |  |
Settlement amount |  |  |  |  |  | Rp 1,000,000,000,000,000.0 |  |  |  |  | $ 99 | Rp 1,394.0 |  |  |
Indonesian Supreme Court | PT-FI | The year 2005 and the year 2007 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Tax Examination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss contingency, loss in period |  |  |  |  |  |  | 42 |  |  |  |  |  |  |  |
Cerro Verde |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Tax Examination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term receivable for taxes | 333 |  |  |  |  |  | 333 | 237 |  |  |  |  |  |  |
PT-FI |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Tax Examination [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term receivable for taxes | $ 12 |  |  |  |  |  | $ 12 | $ 57 |  |  |  |  |  |  |

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