XML 111 R25.htm IDEA: XBRL DOCUMENT

SUBSEQUENT EVENTS (Notes)	12 Months Ended
SUBSEQUENT EVENTS (Notes)	Dec. 31, 2019
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTS FCX evaluated events after December 31, 2019, and through the date the financial statements were issued, and determined any events or transactions occurring during this period that would require recognition or disclosure are appropriately addressed in these financial statements.