Business Segments (Unaudited) (Tables)

3 Months Ended

Mar. 31, 2013

Segment Reporting [Abstract]

Schedule of Segment Reporting Information By Segment

Business Segments

(In millions)	North America Copper Mines								South America						Indonesia				Africa
																									Atlantic			Corporate,
																					Molyb-				Copper			Other &
			Other						Cerro		Other										denum		Rod &		Smelting			Elimi-				FCX
	Morenci		Mines			Total			Verde		Mines		Total		Grasberg				Tenke		MInes		Refining		& Refining			nations				Total
Three Months Ended March 31, 2013
Revenues:
Unaffiliated customers	$	80	$	49		$	129		$	290	$	560	$	850	$	864		a	$	438	$	—	$	1,330	$	633		$	339		b	$	4,583
Intersegment	436		824			1,260			109		55		164		67				—		143		7		6			(1,647		)		—
Production and delivery	297		514			811			171		304		475		563				185		80		1,328		628			(1,351		)		2,719
Depreciation, depletion and amortization	33		69			102			33		38		71		55				58		20		3		10			10				329
Selling, general and administrative expenses	—		1			1			—		1		1		26				3		—		—		5			77				113
Exploration and research expenses	—		—			—			—		—		—		—				—		—		—		—			52				52
Environmental obligations and shutdown costs	—		(4		)	(4		)	—		—		—		—				—		—		—		—			19				15
Operating income (loss)	186		293			479			195		272		467		287				192		43		6		(4		)	(115		)		1,355
Interest expense, net	1		1			2			—		—		—		2				—		—		—		4			49				57
Provision for (benefit from) income taxes	—		—			—			64		87		151		120				44		—		—		—			113				428
Total assets at March 31, 2013	2,589		5,917			8,506			5,968		4,359		10,327		6,862				4,894		2,033		316		918			8,732			c	42,588
Capital expenditures	153		105			258			164		62		226		191				57		40		1		8			24				805
Three Months Ended March 31, 2012
Revenues:
Unaffiliated customers	$	13	$	17		$	30		$	449	$	526	$	975	$	953		a	$	303	$	—	$	1,298	$	704		$	342		b	$	4,605
Intersegment	513		913			1,426			127		152		279		(3		)		2		126		6		8			(1,844		)		—
Production and delivery	256		451			707			193		270		463		515				132		70		1,297		695			(1,451		)		2,428
Depreciation, depletion and amortization	31		62			93			30		32		62		46				32		11		2		10			11				267
Selling, general and administrative expenses	—		1			1			1		1		2		33				2		—		—		5			61				104
Exploration and research expenses	—		—			—			—		—		—		—				—		—		—		—			62				62
Environmental obligations and shutdown costs	—		—			—			—		—		—		—				—		—		—		—			10				10
Operating income (loss)	239		416			655			352		375		727		356				139		45		5		2			(195		)		1,734
Interest expense, net	—		1			1			5		—		5		—				—		—		—		3			54				63
Provision for income taxes	—		—			—			123		117		240		150				29		—		—		—			72				491
Total assets at March 31, 2012	2,146		5,255			7,401			5,300		4,127		9,427		5,613				4,138		1,906		328		1,033			3,059				32,905
Capital expenditures	44		99			143			69		83		152		182				127		93		3		3			4				707

a. Included PT Freeport Indonesia’s sales to PT Smelting totaling $430 million in first-quarter2013 and $589 million in first-quarter2012.

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 $7.0 billion of cash and cash equivalents at the parent company and $477 million of total assets related to Freeport Cobalt.