Contingencies and Commitments (Unaudited)	3 Months Ended
Mar. 31, 2014
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	CONTINGENCIES AND COMMITMENTS Environmental. On March 31, 2014, the lawsuit titled Municipality of Tierra Amarilla v. Compania Contractual Minera Candelaria, Second Environmental Court, Santiago, Chile, filed December 12, 2013, was withdrawn. Refer to Note 12 of FCX’s annual report on Form 10-K for the year ended December 31, 2013, for further discussion. Litigation. The following information includes a discussion of updates to previously reported legal proceedings included in Note 12 of FCX’s annual report on Form 10-K for the year ended December 31, 2013. Shareholder Litigation. On March 12, 2014, oral arguments were held in the Delaware Chancery Court on the motion to dismiss filed by FCX and the other defendants on October 10, 2013, in In Re Freeport-McMoRan Copper & Gold, Inc. Derivative Litigation, No. 8145-VCN. On April 4, 2014, the complaint titled Stephen Blau MD Money Purchase Pension Plan Trust v. Moffett et al., No. 8389-VCN filed in the Delaware Court of Chancery on March 5, 2013, was consolidated with In Re Freeport-McMoRan Copper & Gold Inc. Derivative Litigation, No. 8145-VCN. FCX continues to vigorously defend itself in this action. Tax and Other Matters. There were no significant changes to the Cerro Verde royalty dispute and Indonesia tax matters during the first quarter of 2014 (refer to Note 12 of FCX’s annual report on Form 10-K for the year ended December 31, 2013, for further discussion of these matters).

CONTINGENCIES AND COMMITMENTS

Environmental. On March 31, 2014, the lawsuit titled Municipality of Tierra Amarilla v. Compania Contractual Minera Candelaria, Second Environmental Court, Santiago, Chile, filed December 12, 2013, was withdrawn. Refer to Note 12 of FCX’s annual report on Form 10-K for the year ended December 31, 2013, for further discussion.

Litigation. The following information includes a discussion of updates to previously reported legal proceedings included in Note 12 of FCX’s annual report on Form 10-K for the year ended December 31, 2013.

Shareholder Litigation. On March 12, 2014, oral arguments were held in the Delaware Chancery Court on the motion to dismiss filed by FCX and the other defendants on October 10, 2013, in In Re Freeport-McMoRan Copper & Gold, Inc. Derivative Litigation, No. 8145-VCN. On April 4, 2014, the complaint titled Stephen Blau MD Money Purchase Pension Plan Trust v. Moffett et al., No. 8389-VCN filed in the Delaware Court of Chancery on March 5, 2013, was consolidated with In Re Freeport-McMoRan Copper & Gold Inc. Derivative Litigation, No. 8145-VCN. FCX continues to vigorously defend itself in this action.

Tax and Other Matters. There were no significant changes to the Cerro Verde royalty dispute and Indonesia tax matters during the first quarter of 2014 (refer to Note 12 of FCX’s annual report on Form 10-K for the year ended December 31, 2013, for further discussion of these matters).