Business Segments (Unaudited) (Tables)

3 Months Ended

Mar. 31, 2014

Segment Reporting [Abstract]

Schedule of Segment Reporting Information By Segment

Business Segments

(In millions)	Mining Operations
	North America Copper Mines								South America								Indonesia			Africa
																										Atlantic			Other									Corporate,
																						Molyb-				Copper			Mining						U.S.			Other
			Other						Cerro		Candel-		Other									denum		Rod &		Smelting			& Elimi-				Total		Oil & Gas			& Elimi-				FCX
	Morenci		Mines			Total			Verde		aria		Mines		Total		Grasberg			Tenke		Mines		Refining		& Refining			nations				Mining		Operations			nations				Total
Three Months Ended March 31, 2014
Revenues:
Unaffiliated customers	$	23	$	61		$	84		$	280	$	128	$	294	$	702	$	462	a	$	306	$	—	$	1,146	$	588		$	436		b	$	3,724	$	1,261	c	$	—			$	4,985
Intersegment	444		758			1,202			64		128		4		196		8			21		126		8		5			(1,566		)		—		—			—				—
Production and delivery	283		503			786			165		150		161		476		383			152		76		1,148		588			(1,183		)		2,426		311			—				2,737
Depreciation, depletion and amortization	34		73			107			36		19		32		87		48			51		22		2		10			19				346		616			4				966
Selling, general and administrative expenses	—		1			1			1		—		1		2		21			3		—		—		4			7				38		57			40				135
Mining exploration and research expenses	—		2			2			—		—		—		—		—			—		—		—		—			28				30		—			—				30
Environmental obligations and shutdown costs	—		—			—			—		—		—		—		—			—		—		—		—			6				6		—			—				6
Operating income (loss)	150		240			390			142		87		104		333		18			121		28		4		(9		)	(7		)		878		277			(44		)		1,111
Interest expense, net	1		—			1			—		—		—		—		—			—		—		—		4			18				23		76			62				161
Provision for income taxes	—		—			—			57		36		34		127		18			24		—		—		—			—				169		—			188				357
Total assets at March 31, 2014	3,412		5,827			9,239			6,757		1,591		2,468		10,816		7,466			4,904		2,101		289		951			1,119				36,885		26,385			573				63,843
Capital expenditures	244		59			303			400		10		13		423		236			31		19		1		1			10				1,024		579			9				1,612
Three Months Ended March 31, 2013
Revenues:
Unaffiliated customers	$	80	$	45		$	125		$	290	$	253	$	307	$	850	$	864	a	$	438	$	—	$	1,330	$	633		$	341		b	$	4,581	$	—		$	2			$	4,583
Intersegment	436		824			1,260			109		55		—		164		67			—		143		7		6			(1,647		)		—		—			—				—
Production and delivery	297		502			799			171		167		137		475		563			185		80		1,328		628			(1,342		)		2,716		—			3				2,719
Depreciation, depletion and amortization	33		69			102			33		9		29		71		55			58		20		3		10			8				327		—			2				329
Selling, general and administrative expenses	—		1			1			—		1		—		1		26			3		—		—		5			9				45		—			68				113
Mining exploration and research expenses	—		—			—			—		—		—		—		—			—		—		—		—			49				49		—			3				52
Environmental obligations and shutdown costs	—		(4		)	(4		)	—		—		—		—		—			—		—		—		—			19				15		—			—				15
Operating income (loss)	186		301			487			195		131		141		467		287			192		43		6		(4		)	(49		)		1,429		—			(74		)		1,355
Interest expense, net	1		—			1			—		—		—		—		2			—		—		—		4			20				27		—			30				57
Provision for income taxes	—		—			—			64		44		43		151		120			44		—		—		—			—				315		—			113				428
Total assets at March 31, 2013	2,589		5,783			8,372			5,968		1,852		2,507		10,327		6,862			4,894		2,033		316		918			1,078				34,800		—			7,788			d	42,588
Capital expenditures	153		104			257			164		40		22		226		191			57		40		1		8			17				797		—			8				805

a. Included PT-FI’s sales to PT Smelting totaling $373 million in first-quarter2014 and $430 million in first-quarter2013.

b. Included revenues from FCX's molybdenum sales company, which included sales of molybdenum produced by the Molybdenum mines and by certain of the North and South America copper mines.

c. Included net mark-to-market losses associated with crude oil options and natural gas derivative contracts totaling $50 million.

d. Included net proceeds of $6.4 billion from the March 2013 sale of senior notes that were used to fund the oil and gas acquisitions (see Note 6).