DEBT - Revolving Credit Facility (Details) - USD ($) $ in Millions	Dec. 31, 2023	Nov. 30, 2023	Dec. 31, 2022	Oct. 31, 2022	May 31, 2022
Debt Instruments [Line Items]
Long-term Debt	$ 9,422		$ 10,620
Revolving Credit Facility | PT-FI
Debt Instruments [Line Items]
Long-term line of credit	0		0
Revolving Credit Facility | Cerro Verde
Debt Instruments [Line Items]
Long-term line of credit	0		$ 0
Revolving Credit Facility | Line of Credit | October 2022 Unsecured Revolving Credit Facility
Debt Instruments [Line Items]
Maximum borrowing capacity				$ 3,000
Revolving Credit Facility | Line of Credit | PT-FI | October 2022 Unsecured Revolving Credit Facility
Debt Instruments [Line Items]
Maximum borrowing capacity				500
Revolving Credit Facility | Line of Credit | PT-FI | November 2023 Unsecured Revolving Credit Facility Amendment
Debt Instruments [Line Items]
Maximum borrowing capacity		$ 1,750
Letter of Credit | Line of Credit
Debt Instruments [Line Items]
Long-term line of credit	$ 7
Remaining borrowing capacity				$ 1,500
Unsecured Credit Facility | Cerro Verde
Debt Instruments [Line Items]
Maximum borrowing capacity					$ 350