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