10-Q

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 10-Q
(Mark One)
[X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended March 31, 2013
OR
[  ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from	to
Commission File Number: 001-11307-01

Freeport-McMoRan Copper & Gold Inc.

(Exact name of registrant as specified in its charter)

Delaware	74-2480931
(State or other jurisdiction of	(I.R.S. Employer Identification No.)
incorporation or organization)
333 North Central Avenue
Phoenix, AZ	85004-2189
(Address of principal executive offices)	(Zip Code)
(602) 366-8100
(Registrant's telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

þ Yes  ¨ No

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).       þ Yes  ¨ No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer þ         Accelerated filer ¨          Non-accelerated filer ¨         Smaller reporting company ¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

¨ Yes þ No

On April 30, 2013, there were issued and outstanding 949,742,416 shares of the registrant’s common stock, par value $0.10 per share.

FREEPORT-McMoRan COPPER & GOLD INC.

TABLE OF CONTENTS

	Page
Part I. Financial Information	3
Item 1. Financial Statements:
Condensed Consolidated Balance Sheets (Unaudited)	3
Consolidated Statements of Income (Unaudited)	4
Consolidated Statements of Comprehensive Income (Unaudited)	5
Consolidated Statements of Cash Flows (Unaudited)	6
Consolidated Statement of Equity (Unaudited)	7
Notes to Consolidated Financial Statements (Unaudited)	8
Report of Independent Registered Public Accounting Firm	21
Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations	22
Item 3. Quantitative and Qualitative Disclosures About Market Risk	56
Item 4. Controls and Procedures	56
Part II. Other Information	56
Item 1. Legal Proceedings	56
Item 1A. Risk Factors	57
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	57
Item 4. Mine Safety Disclosures	57
Item 6. Exhibits	57
Signature	58
Exhibit Index	E-1

.

2

Part I. FINANCIAL INFORMATION

Item 1. Financial Statements.

FREEPORT-McMoRan COPPER & GOLD INC.

CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited)

	March 31, 2013			December 31, 2012
	(In millions)
ASSETS
Current assets:
Cash and cash equivalents	$	9,595		$	3,705
Trade accounts receivable	1,082			927
Other accounts receivable	687			702
Inventories:
Mill and leach stockpiles	1,698			1,672
Materials and supplies, net	1,575			1,504
Product	1,536			1,400
Other current assets	410			387
Total current assets	16,583			10,297
Property, plant, equipment and development costs, net	21,689			20,999
Long-term mill and leach stockpiles	2,081			1,955
Other assets	2,235			2,189
Total assets	$	42,588		$	35,440
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable and accrued liabilities	$	2,892		$	3,007
Current portion of reclamation and environmental obligations	254			241
Accrued income taxes	125			93
Current portion of debt	4			2
Total current liabilities	3,275			3,343
Long-term debt, less current portion	10,088			3,525
Deferred income taxes	3,580			3,490
Reclamation and environmental obligations, less current portion	2,130			2,127
Other liabilities	1,666			1,644
Total liabilities	20,739			14,129
Equity:
FCX stockholders’ equity:
Common stock	107			107
Capital in excess of par value	19,163			19,119
Retained earnings	2,750			2,399
Accumulated other comprehensive loss	(500		)	(506		)
Common stock held in treasury	(3,580		)	(3,576		)
Total FCX stockholders’ equity	17,940			17,543
Noncontrolling interests	3,909			3,768
Total equity	21,849			21,311
Total liabilities and equity	$	42,588		$	35,440

The accompanying notes are an integral part of these consolidated financial statements.

3

FREEPORT-McMoRan COPPER & GOLD INC.

CONSOLIDATED STATEMENTS OF INCOME (Unaudited)

	Three Months Ended
	March 31,
	2013			2012
	(In millions, except per share amounts)
Revenues	$	4,583		$	4,605
Cost of sales:
Production and delivery	2,719			2,428
Depreciation, depletion and amortization	329			267
Total cost of sales	3,048			2,695
Selling, general and administrative expenses	113			104
Exploration and research expenses	52			62
Environmental obligations and shutdown costs	15			10
Total costs and expenses	3,228			2,871
Operating income	1,355			1,734
Interest expense, net	(57		)	(63		)
Losses on early extinguishment of debt	(45		)	(168		)
Other expense, net	(3		)	(13		)
Income before income taxes and equity in affiliated companies' net earnings	1,250			1,490
Provision for income taxes	(428		)	(491		)
Equity in affiliated companies’ net earnings	2			2
Net income	824			1,001
Net income attributable to noncontrolling interests	(176		)	(237		)
Net income attributable to FCX common stockholders	$	648		$	764
Net income per share attributable to FCX common stockholders:
Basic	$	0.68		$	0.81
Diluted	$	0.68		$	0.80
Weighted-average common shares outstanding:
Basic	950			949
Diluted	953			955
Dividends declared per share of common stock	$	0.3125		$	0.3125

The accompanying notes are an integral part of these consolidated financial statements.

4

FREEPORT-McMoRan COPPER & GOLD INC.

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited)

	Three Months Ended
	March 31,
	2013			2012
	(In millions)
Net income	$	824		$	1,001
Other comprehensive income, net of taxes:
Defined benefit plans:
Amortization of unrecognized amounts included in net
periodic benefit costs	7			7
Adjustment to deferred tax valuation allowance	—			5
Unrealized losses on securities arising during the period	(1		)	—
Other comprehensive income	6			12
Total comprehensive income	830			1,013
Total comprehensive income attributable to noncontrolling interests	(176		)	(237		)
Total comprehensive income attributable to FCX common stockholders	$	654		$	776

The accompanying notes are an integral part of these consolidated financial statements.

5

FREEPORT-McMoRan COPPER & GOLD INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)

	Three Months Ended
	March 31,
	2013			2012
	(In millions)
Cash flow from operating activities:
Net income	$	824		$	1,001
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	329			267
Stock-based compensation	41			32
Pension plans contributions	(22		)	(52		)
Net charges for reclamation and environmental obligations, including accretion	34			35
Payments for reclamation and environmental obligations	(36		)	(45		)
Losses on early extinguishment of debt	45			168
Deferred income taxes	136			168
Increase in long-term mill and leach stockpiles	(126		)	(61		)
Other, net	36			8
(Increases) decreases in working capital and other tax payments:
Accounts receivable	(113		)	(482		)
Inventories	(67		)	(248		)
Other current assets	(48		)	40
Accounts payable and accrued liabilities	(201		)	(64		)
Accrued income taxes and other tax payments	(1		)	34
Net cash provided by operating activities	831			801
Cash flow from investing activities:
Capital expenditures:
North America copper mines	(258		)	(143		)
South America	(226		)	(152		)
Indonesia	(191		)	(182		)
Africa	(57		)	(127		)
Molybdenum mines	(40		)	(93		)
Other	(33		)	(10		)
Acquisition of cobalt chemical business, net of cash acquired	(321		)	—
Other, net	14			(7		)
Net cash used in investing activities	(1,112		)	(714		)
Cash flow from financing activities:
Proceeds from debt	6,615			3,004
Repayments of debt	(39		)	(3,159		)
Cash dividends paid:
Common stock	(297		)	(238		)
Noncontrolling interests	(35		)	(1		)
Debt financing costs	(72		)	(22		)
Net payments for stock-based awards	(2		)	(4		)
Excess tax benefit from stock-based awards	1			7
Net cash provided by (used in) financing activities	6,171			(413		)
Net increase (decrease) in cash and cash equivalents	5,890			(326		)
Cash and cash equivalents at beginning of year	3,705			4,822
Cash and cash equivalents at end of period	$	9,595		$	4,496

The accompanying notes are an integral part of these consolidated financial statements.

6

FREEPORT-McMoRan COPPER & GOLD INC.

CONSOLIDATED STATEMENT OF EQUITY (Unaudited)

	FCX Stockholders’ Equity
	Common Stock					Retained Earnings			Accumu- lated Other Compre- hensive Loss			Common Stock Held in Treasury				Total FCX Stock-holders' Equity
	Number of Shares	At Par Value		Capital in Excess of Par Value								Number of Shares	At Cost						Non- controlling Interests			Total Equity
	(In millions)
Balance at December 31, 2012	1,073	$	107	$	19,119	$	2,399		$	(506	)	124	$	(3,576	)	$	17,543		$	3,768		$	21,311
Exercised and issued stock-based awards	1	—		2		—			—			—	—			2			—			2
Stock-based compensation	—	—		41		—			—			—	—			41			—			41
Tax benefit for stock-based awards	—	—		1		—			—			—	—			1			—			1
Tender of shares for stock-based awards	—	—		—		—			—			—	(4		)	(4		)	—			(4		)
Dividends on common stock	—	—		—		(297		)	—			—	—			(297		)	—			(297		)
Dividends to noncontrolling interests	—	—		—		—			—			—	—			—			(35		)	(35		)
Total comprehensive income	—	—		—		648			6			—	—			654			176			830
Balance at March 31, 2013	1,074	$	107	$	19,163	$	2,750		$	(500	)	124	$	(3,580	)	$	17,940		$	3,909		$	21,849

The accompanying notes are an integral part of these consolidated financial statements.

7

FREEPORT-McMoRan COPPER & GOLD INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

1. GENERAL INFORMATION

The accompanying unaudited consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and do not include all information and disclosures required by generally accepted accounting principles (GAAP) in the United States (U.S.). Therefore, this information should be read in conjunction with Freeport-McMoRan Copper & Gold Inc.’s (FCX) consolidated financial statements and notes contained in its annual report on Form 10-K for the year ended December 31, 2012. The information furnished herein reflects all adjustments that are, in the opinion of management, necessary for a fair statement of the results for the interim periods reported. All such adjustments are, in the opinion of management, of a normal recurring nature. Operating results for the three-month period ended March 31, 2013, are not necessarily indicative of the results that may be expected for the year ending December 31, 2013.

2. ACQUISITIONS

Cobalt Chemical Refinery Business. On March 29, 2013, FCX, through a newly formed consolidated joint venture, completed the acquisition of a cobalt chemical refinery in Kokkola, Finland, and the related sales and marketing business. The acquisition provides direct end-market access for the cobalt hydroxide production at Tenke Fungurume Mining S.A.R.L. (TFM or Tenke). The joint venture operates under the name Freeport Cobalt, and FCX is the operator with an effective 56 percent ownership interest. The remaining effective ownership interest is held by its partners in TFM, including 24 percent by Lundin Mining Corporation (Lundin) and 20 percent by La Générale des Carrières et des Mines (Gécamines). Initial consideration paid was $355 million, which included $34 million for cash acquired and is subject to a working capital adjustment, and was funded 70 percent by FCX and 30 percent by Lundin. Under the terms of the acquisition agreement, there is also the potential for additional consideration of up to $110 million over a period of three years, contingent upon the achievement of revenue-based performance targets. The initial estimates of the fair value of assets acquired and liabilities assumed are included in FCX's consolidated financial statements as of March 31, 2013.

Pending Acquisitions. On December 5, 2012, FCX announced definitive agreements to acquire, in separate transactions, Plains Exploration & Production Company (PXP) and McMoRan Exploration Co. (MMR). PXP per-share consideration is equivalent to 0.6531 shares of FCX's common stock and $25.00 in cash (approximately $3.4 billion in cash and 91 million shares of FCX common stock). MMR per-share consideration consists of $14.75 in cash (approximately $3.4 billion in cash, or $2.1 billion net of MMR interests owned by FCX and PXP) and 1.15 units of a royalty trust, which will hold a five percent overriding royalty interest in future production from MMR's existing shallow water ultra-deep prospects. As further discussed in Note 6, in March 2013, FCX issued $6.5 billion of senior notes for net proceeds of $6.4 billion, which will be used, together with a five-year bank term loan that provides for borrowings up to $4.0 billion, to fund the cash portion of the merger consideration for both transactions and the repayment of certain indebtedness of PXP and MMR.

Completion of each transaction is subject to receipt of PXP and MMR stockholder approval of their respective transactions. The PXP transaction is not conditioned on the closing of the MMR transaction, and the MMR transaction is not conditioned on the closing of the PXP transaction. On April 18, 2013, PXP announced that it will hold a special meeting of its stockholders on May 20, 2013, to vote on the proposed acquisition of PXP by FCX. On May 3, 2013, MMR announced it will hold a special meeting of its stockholders on June 3, 2013, to vote on the proposed acquisition of MMR by FCX. Both transactions are expected to close in second-quarter 2013, subject to satisfaction of all conditions to closing.

The information contained in the consolidated financial statements and the notes herein does not reflect FCX's pending acquisitions of PXP or MMR.

8

3. EARNINGS PER SHARE

FCX’s basic net income per share of common stock was calculated by dividing net income attributable to FCX common stockholders by the weighted-average shares of common stock outstanding during the period. Following is a reconciliation of net income and weighted-average shares of common stock outstanding for purposes of calculating diluted net income per share (in millions, except per share amounts):

	Three Months Ended
	March 31,
	2013			2012
Net income	$	824		$	1,001
Net income attributable to noncontrolling interests	(176		)	(237		)
Net income attributable to FCX common stockholders	$	648		$	764
Weighted-average shares of common stock outstanding	950			949
Add shares issuable upon exercise or vesting of
dilutive stock options and restricted stock units	3			6			a
Weighted-average shares of common stock outstanding
for purposes of calculating diluted net income per share	953			955
Diluted net income per share attributable to FCX   common stockholders	$	0.68		$	0.80

a. Excluded shares of common stock associated with outstanding stock options with exercise prices less than the average market price of FCX's common stock that were anti-dilutive based on the treasury stock method of approximately three million for first-quarter2012.

Outstanding stock options with exercise prices greater than the average market price of FCX’s common stock during the period are excluded from the computation of diluted net income per share of common stock. Excluded amounts were 29 million stock options with a weighted-average exercise price of $41.35 per option for first-quarter2013 and 9 million stock options with a weighted-average exercise price of $50.63 per option for first-quarter2012.

4. INVENTORIES, INCLUDING LONG-TERM MILL AND LEACH STOCKPILES

The components of inventories follow (in millions):

	March 31, 2013		December 31, 2012
Raw materials (primarily concentrates)	$	171	$	237
Work-in-processa	237		252
Finished goodsb	1,128		911
Total product inventories	$	1,536	$	1,400
Total materials and supplies, netc	$	1,575	$	1,504

a. FCX's mining operations also have work-in-process inventories that are included in mill and leach stockpiles.

b. Primarily included molybdenum concentrates and copper concentrates, anodes, cathodes and rod.

c. Materials and supplies inventory was net of obsolescence reserves totaling $27 million at March 31, 2013, and December 31, 2012.

9

A summary of mill and leach stockpiles follows (in millions):

	March 31, 2013		December 31, 2012
Current:
Mill stockpiles	$	112	$	104
Leach stockpiles	1,586		1,568
Total current mill and leach stockpiles	$	1,698	$	1,672
Long-term:a
Mill stockpiles	$	627	$	615
Leach stockpiles	1,454		1,340
Total long-term mill and leach stockpiles	$	2,081	$	1,955

a. Metals in stockpiles not expected to be recovered within the next 12 months.

5. INCOME TAXES

Geographic sources of FCX's provision for income taxes follow (in millions):

	Three Months Ended
	March 31,
	2013		2012
United States operations	$	71	$	83
International operations	357		408
Total	$	428	$	491

FCX’s consolidated effective income tax rate was 34 percent for first-quarter2013 and 33 percent for first-quarter2012. Variations in the relative proportions of jurisdictional income can result in fluctuations to FCX’s consolidated effective income tax rate.

6. DEBT AND EQUITY TRANSACTIONS

On February 14, 2013, FCX entered into an agreement for a $4.0 billion bank term loan (the Term Loan) in connection with the pending acquisitions of PXP and MMR. Borrowings of up to $4.0 billion under the Term Loan will become available to FCX upon the closing of the PXP and/or the MMR acquisitions to fund the cash portion of the merger consideration for both transactions, to refinance certain of PXP's and MMR's outstanding debt, or for general corporate purposes. At the time the PXP transaction closes, PXP will join the Term Loan as a borrower.

The Term Loan will amortize in equal quarterly installments during the second, third and fourth years of the Term Loan in annual amounts equal to 10 percent, 15 percent and 20 percent, respectively, of the original aggregate principal amount, and the remainder will mature five years from the date of the first borrowing. At FCX's option, the Term Loan will bear interest at either an adjusted London Interbank Offered Rate (LIBOR) or an alternate-based rate (as defined under the Term Loan agreement) plus a spread to be determined by reference to FCX's credit ratings (currently LIBOR plus 1.50 percent or the alternate-based rate plus 50 basis points). FCX expects to select LIBOR for amounts borrowed at closing.

Also on February 14, 2013, FCX and PT Freeport Indonesia entered into a new senior unsecured $3.0 billion revolving credit facility, which will refinance and replace FCX's existing revolving credit facility (scheduled to mature on March 30, 2016) upon completion of the pending acquisition of PXP. Interest on the new revolving credit facility will be determined by reference to FCX's credit rating (currently LIBOR plus 1.50 percent). At the time the PXP acquisition closes, PXP will join the revolving credit facility as a borrower. No amounts are currently available to FCX under the new revolving credit facility. At the closing of the acquisition of PXP, the new revolving credit facility will be available for five years in an aggregate principal amount of $3.0 billion, with $500 million available to PT Freeport Indonesia.

10

The Term Loan and new revolving credit facility both contain customary affirmative covenants and representations, and also contain a number of negative covenants that, among other things, restrict, subject to certain exceptions, the ability of FCX's subsidiaries that are not borrowers or guarantors to incur additional indebtedness (including guarantee obligations) and FCX's ability or the ability of FCX's subsidiaries to: create liens on assets; enter into sale and leaseback transactions; engage in mergers, liquidations and dissolutions; and sell assets. The Term Loan and new revolving credit facility also contain financial ratios governing maximum total leverage and minimum interest coverage.

On March 7, 2013, in connection with the financing of FCX's pending acquisitions of PXP and MMR, FCX issued $6.5 billion of senior notes in four tranches. FCX sold $1.5 billion of 2.375% Senior Notes due March 2018 (5-year notes), $1.0 billion of 3.100% Senior Notes due March 2020 (7-year notes), $2.0 billion of 3.875% Senior Notes due March 2023 (10-year notes) and $2.0 billion of 5.450% Senior Notes due March 2043 (30-year notes) for total net proceeds of $6.4 billion. Interest on these notes is payable semiannually on March 15 and September 15, commencing on September 15, 2013. FCX expects to use the proceeds from the senior notes, together with available funds from its Term Loan, to fund the acquisitions of PXP and MMR, including the payment of cash consideration for the acquisitions and the repayment of certain indebtedness. If the PXP acquisition does not close, FCX will be required to redeem all the outstanding 7-year, 10-year and 30-year notes at 101 percent plus accrued and unpaid interest.

FCX recorded a loss on early extinguishment of debt of $45 million ($40 million to net income attributable to FCX common stockholders) in first-quarter 2013 for financing costs incurred for the terminated $9.5 billion acquisition bridge loan facility, which was entered into in December 2012 to provide interim financing for the acquisitions of PXP and MMR.

In February 2012, FCX sold $500 million of 1.40% Senior Notes due 2015, $500 million of 2.15% Senior Notes due 2017 and $2.0 billion of 3.55% Senior Notes due 2022 for total net proceeds of $2.97 billion. These notes bear interest payable semiannually.

On March 14, 2012, FCX redeemed the remaining $3.0 billion of its outstanding 8.375% Senior Notes due 2017, for which holders received 104.553 percent of the principal amount together with the accrued and unpaid interest. As a result of this redemption, FCX recorded a loss on early extinguishment of debt of $168 million ($149 million to net income attributable to FCX common stockholders) in first-quarter 2012.

Consolidated interest expense (excluding capitalized interest) totaled $75 million in first-quarter2013 and $99 million in first-quarter2012. Capitalized interest totaled $18 million in first-quarter2013 and $36 million in first-quarter2012.

On March 27, 2013, FCX's Board of Directors declared a quarterly dividend of $0.3125 per share, which was paid on May 1, 2013, to common shareholders of record at the close of business on April 15, 2013.

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7. FINANCIAL INSTRUMENTS

FCX does not purchase, hold or sell derivative financial instruments unless there is an existing asset or obligation, or it anticipates a future activity that is likely to occur and will result in exposure to market risks, which FCX intends to offset or mitigate. FCX does not enter into any derivative financial instruments for speculative purposes, but has entered into derivative financial instruments in limited instances to achieve specific objectives. These objectives principally relate to managing risks associated with commodity price changes, foreign currency exchange rates and interest rates.

Commodity Contracts.  From time to time, FCX has entered into forward, futures and swap contracts to hedge the market risk associated with fluctuations in the prices of commodities it purchases and sells. Derivative financial instruments used by FCX to manage its risks do not contain credit risk-related contingent provisions. As of March 31, 2013, FCX had no price protection contracts relating to its mine production. A discussion of FCX’s derivative commodity contracts and programs follows.

Derivatives Designated as Hedging Instruments – Fair Value Hedges

Copper Futures and Swap Contracts. Some of FCX's U.S. copper rod customers request a fixed market price instead of the New York Mercantile Exchange (COMEX) average copper price in the month of shipment. FCX hedges this price exposure in a manner that allows it to receive the COMEX average price in the month of shipment while the customers pay the fixed price they requested. FCX accomplishes this by entering into copper futures and swap contracts and then liquidating the copper futures contracts and settling the copper swap contracts during the month of shipment, which generally results in FCX receiving the COMEX average copper price in the month of shipment. Hedging gains or losses from these copper futures and swap contracts are recorded in revenues. FCX did not have any significant gains or losses during the three-month periods ended March 31, 2013 and 2012, resulting from hedge ineffectiveness. At March 31, 2013, FCX held copper futures and swap contracts that qualified for hedge accounting for 57 million pounds at an average contract price of $3.54 per pound, with maturities through March 2014.

A summary of gains (losses) recognized in revenues for derivative financial instruments related to commodity contracts that are designated and qualify as fair value hedge transactions, along with the unrealized gains (losses) on the related hedged item (firm sales commitments) follows (in millions):

	Three Months Ended
	March 31,
	2013			2012
Copper futures and swap contracts:
Unrealized (losses) gains:
Derivative financial instruments	$	(12	)	$	18
Hedged item	12			(18		)
Realized (losses) gains:
Matured derivative financial instruments	(2		)	10

Derivatives Not Designated as Hedging Instruments

Embedded Derivatives. As described in Note 1 to FCX’s annual report on Form 10-K for the year ended December 31, 2012, under “Revenue Recognition,” certain FCX copper concentrate, copper cathode and gold sales contracts provide for provisional pricing primarily based on the London Metal Exchange (LME) price (copper) or the COMEX price (copper) and the London Bullion Market Association (London PM) price (gold) at the time of shipment as specified in the contract. Similarly, FCX purchases copper under contracts that provide for provisional pricing. FCX applies the normal purchases and normal sales scope exception in accordance with derivatives and hedge accounting guidance to the host sales agreements since the contracts do not allow for net settlement and always result in physical delivery. Sales and purchases with a provisional sales price contain an embedded derivative (i.e., the price settlement mechanism that is settled after the time of delivery) that is required to be bifurcated from the host contract. The host contract is the sale or purchase of the metals contained in the concentrates or cathodes at the then-current LME or COMEX price (copper) or the London PM price (gold) as defined in the contract. Mark-to-market price fluctuations recorded through the settlement date are reflected in revenues for sales contracts and in cost of sales as production and delivery costs for purchase contracts.

12

A summary of FCX’s embedded derivatives at March 31, 2013, follows:

	Open Positions	Average Price Per Unit				Maturities Through
		Contract		Market
Embedded derivatives in provisional sales contracts:
Copper (millions of pounds)	491	$	3.57	$	3.41	August 2013
Gold (thousands of ounces)	105	1,606		1,601		July 2013
Embedded derivatives in provisional purchase contracts:
Copper (millions of pounds)	124	3.57		3.42		July 2013

Copper Forward Contracts. Atlantic Copper, FCX’s wholly owned smelting and refining unit in Spain, enters into forward copper contracts designed to hedge its copper price risk whenever its physical purchases and sales pricing periods do not match. These economic hedge transactions are intended to hedge against changes in copper prices, with the mark-to-market hedging gains or losses recorded in cost of sales. At March 31, 2013, Atlantic Copper held net forward copper sales contracts for 16 million pounds at an average contract price of $3.48 per pound, with maturities through June 2013.

A summary of the realized and unrealized gains (losses) recognized in income before income taxes and equity in affiliated companies’ net earnings for commodity contracts that do not qualify as hedge transactions, including embedded derivatives, follows (in millions):

	Three Months Ended
	March 31,
	2013			2012
Embedded derivatives in provisional sales contractsa	$	(83	)	$	184
Copper forward contractsb	3			11

a. Amounts recorded in revenues. 

b. Amounts recorded in cost of sales as production and delivery costs.

Unsettled Derivative Financial Instruments

A summary of the fair values of unsettled derivative financial instruments recorded on the consolidated balance sheets follows (in millions):

	March 31, 2013		December 31, 2012
Derivatives designated as hedging instruments
Commodity contracts:
Copper futures and swap contracts:a
Asset positionb	$	—	$	5
Liability positionc	8		1
Derivatives not designated as hedging instruments
Commodity contracts:
Embedded derivatives in provisional sales/purchase contracts:d
Gross amounts in an asset position	$	19	$	36
Less gross amounts offset in the balance sheet	—		8
Net amounts in an asset position	$	19	$	28
Gross amounts in a liability position	$	79	$	27
Less gross amounts offset in the balance sheet	—		8
Net amounts in a liability position	$	79	$	19
Copper forward contracts:
Asset positionb	$	1	$	—

a. FCX paid $10 million to brokers at March 31, 2013, and $7 million at December 31, 2012, for margin requirements (recorded in other current assets).

b. Amounts recorded in other current assets. 

c. Amounts recorded in accounts payable and accrued liabilities. 

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d. These derivatives are the only derivatives that are offset in the balance sheet in accordance with accounting guidance. Based on the respective contract, embedded derivatives on provisional sales/purchases are netted with the corresponding outstanding receivable/payable balances. At March 31, 2013, the net amounts were in a net liability position of $60 million, of which a credit of $43 million was netted against trade accounts receivable, and a credit of $17 million was included in accounts payable and accrued liabilities. At December 31, 2012, the net amounts were in a net asset position of $9 million, of which a debit of $15 million was included in trade accounts receivable, and a credit of $6 million was included in accounts payable and accrued liabilities.

Credit Risk.  FCX is exposed to credit loss when financial institutions with which FCX has entered into derivative transactions (commodity, foreign exchange and interest rate swaps) are unable to pay. To minimize the risk of such losses, FCX uses counterparties that meet certain credit requirements and periodically reviews the creditworthiness of these counterparties. FCX does not anticipate that any of the counterparties it deals with will default on their obligations. As of March 31, 2013, FCX did not have significant credit exposure associated with derivative transactions.

Other Financial Instruments.  Other financial instruments include cash and cash equivalents, accounts receivable, investment securities, trust assets, accounts payable and accrued liabilities, and long-term debt. The carrying value for cash and cash equivalents, accounts receivable, and accounts payable and accrued liabilities approximates fair value because of their short-term nature and generally negligible credit losses (refer to Note 8 for the fair values of investment securities, trust assets and long-term debt).

A summary of cash and cash equivalents follows (in millions):

	March 31, 2013		December 31, 2012
Money market funds	$	8,367	$	2,991
Time deposits	697		514
Overnight repurchase agreementa	300		—
Cash in banks	231		200
Total cash and cash equivalents	$	9,595	$	3,705

a. In the first quarter of 2013, FCX entered into an overnight repurchase agreement with a financial institution. In connection with the agreement, FCX purchases an undivided interest in U.S. government treasury and/or agency securities at market value, and the financial institution agrees to repurchase the securities on demand (the following business day) at the original purchase price plus a designated interest rate. FCX does not participate in the actual return on the underlying securities. Because of its short-term, highly liquid nature, and the insignificant risk of changes in value, FCX considers this financial instrument a cash equivalent.

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8. FAIR VALUE MEASUREMENT

Fair value accounting guidance includes a hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 inputs) and the lowest priority to unobservable inputs (Level 3 inputs). FCX did not have any significant transfers in or out of Levels 1, 2 or 3 for first-quarter 2013.

A summary of the carrying amount and fair value of FCX’s financial instruments other than cash and cash equivalents, accounts receivable, and accounts payable and accrued liabilities follows (in millions):

	At March 31, 2013
	Carrying		Fair Value
	Amount		Total		Level 1		Level 2		Level 3
Assets
Investment securities (current and long-term):
MMR investmentb	$	439	$	592	$	—	$	592	$	—
U.S. core fixed income funda,c	22		22		—		22		—
Money market fundsa, c	16		16		16		—		—
Equity securitiesa, c	7		7		7		—		—
Total investment securities	484		637		23		614		—
Trust assets (long-term):a, c
U.S. core fixed income fund	49		49		—		49		—
Government mortgage-backed securities	40		40		—		40		—
Corporate bonds	28		28		—		28		—
Government bonds and notes	19		19		—		19		—
Asset-backed securities	18		18		—		18		—
Money market funds	7		7		7		—		—
Municipal bonds	1		1		—		1		—
Total trust assets	162		162		7		155		—
Derivatives:a
Embedded derivatives in provisional sales/purchase
contracts in a gross asset positiond	19		19		—		19		—
Copper forward contractse	1		1		1		—		—
Total derivative assets	20		20		1		19		—
Total assets			$	819	$	31	$	788	$	—
Liabilities
Derivatives:a
Embedded derivatives in provisional sales/purchase
contracts in a gross liability positiond	$	79	$	79	$	—	$	79	$	—
Copper futures and swap contractsf	8		8		6		2		—
Total derivative liabilities	87		87		6		81		—
Long-term debt, including current portiong	10,092		10,129		—		10,129		—
Total liabilities			$	10,216	$	6	$	10,210	$	—

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	At December 31, 2012
	Carrying		Fair Value
	Amount		Total		Level 1		Level 2		Level 3
Assets
Investment securities (current and long-term):
MMR investmentb	$	446	$	539	$	—	$	539	$	—
U.S. core fixed income funda,c	22		22		—		22		—
Money market fundsa, c	16		16		16		—		—
Equity securitiesa, c	8		8		8		—		—
Total investment securities	492		585		24		561		—
Trust assets (long-term):a, c
U.S. core fixed income fund	50		50		—		50		—
Government mortgage-backed securities	36		36		—		36		—
Corporate bonds	30		30		—		30		—
Government bonds and notes	24		24		—		24		—
Asset-backed securities	15		15		—		15		—
Money market funds	7		7		7		—		—
Municipal bonds	1		1		—		1		—
Total trust assets	163		163		7		156		—
Derivatives:a
Embedded derivatives in provisional sales/purchase
contracts in a gross asset positiond	36		36		—		36		—
Copper futures and swaps contractse	5		5		5		—		—
Total derivative assets	41		41		5		36		—
Total assets			$	789	$	36	$	753	$	—
Liabilities
Derivatives:a
Embedded derivatives in provisional sales/purchase
contracts in a gross liability positiond	$	27	$	27	$	—	$	27	$	—
Copper futures and swap contractsf	1		1		1		—		—
Total derivative liabilities	28		28		1		27		—
Long-term debt, including current portiong	3,527		3,589		—		3,589		—
Total liabilities			$	3,617	$	1	$	3,616	$	—

a. Recorded at fair value. 

b. Recorded at cost and included in other assets.

c. Current portion included in other current assets and long-term portion included in other assets. 

d. Embedded derivatives are recorded in trade accounts receivable and/or accounts payable and accrued liabilities (refer to Note 7 for further discussion).

e. Included in other current assets.

f. Included in accounts payable and accrued liabilities.

g. Recorded at cost except for long-term debt acquired in the FMC acquisition, which was recorded at fair value at the acquisition date.

Valuation Techniques

Money market funds are classified within Level 1 of the fair value hierarchy because they are valued using quoted market prices in active markets.

FCX's investment in MMR's 5.75% Convertible Perpetual Preferred Stock (MMR investment) is not actively traded. Historically, FCX used a pricing simulation model in determining fair value of the MMR investment; however, because of the definitive agreement to acquire MMR (refer to Note 2), FCX incorporated a discounted cash flow model in determining fair value of the MMR investment at March 31, 2013. Accordingly, FCX primarily valued its MMR investment based on a discounted cash flow model that uses risk-adjusted discount rates as the most

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significant observable input and an expected settlement date. FCX continues to classify this valuation within Level 2 of the fair value hierarchy.

Fixed income securities (U.S. core fixed income funds, government securities, corporate bonds, asset-backed securities and municipal bonds) are valued using a bid evaluation or a mid evaluation. A bid evaluation is an estimated price at which a dealer would pay for a security. A mid evaluation is the average of the estimated price at which a dealer would sell a security and the estimated price at which a dealer would pay for a security. These evaluations are based on quoted prices, if available, or models that use observable inputs and, as such, are classified within Level 2 of the fair value hierarchy.

Equity securities are valued at the closing price reported on the active market on which the individual securities are traded and, as such, are classified within Level 1 of the fair value hierarchy.

FCX’s embedded derivatives on provisional copper concentrate, copper cathode and gold purchases and sales have critical inputs of quoted monthly LME or COMEX copper forward prices and the London PM gold forward price at each reporting date based on the month of maturity; however, FCX's contracts themselves are not traded on an exchange. As a result, these derivatives are classified within Level 2 of the fair value hierarchy.

FCX’s derivative financial instruments for copper futures and swap contracts and copper forward contracts that are traded on the respective exchanges are classified within Level 1 of the fair value hierarchy because they are valued using quoted monthly COMEX or LME forward prices at each reporting date based on the month of maturity (refer to Note 7 for further discussion). Certain of these contracts are traded on the over-the-counter market and are classified within Level 2 of the fair value hierarchy.

Long-term debt, including the current portion, is valued using prices obtained from a readily available pricing source and, as such, is classified within Level 2 of the fair value hierarchy.

The techniques described above may produce a fair value calculation that may not be indicative of net realizable value or reflective of future fair values. Furthermore, while FCX believes its valuation techniques are appropriate and consistent with other market participants, the use of different techniques or assumptions to determine fair value of certain financial instruments could result in a different fair value measurement at the reporting date. There have been no changes in the techniques used at March 31, 2013, except as otherwise described above.

9. CONTINGENCIES AND COMMITMENTS

Litigation. The following information includes a discussion of updates to previously reported legal proceedings included in Note 13 of FCX's annual report on Form 10-K for the year ended December 31, 2012.

Shareholder Litigation.In re Freeport-McMoRan Copper & Gold Inc. Derivative Litigation, No. 8145-VCN, consolidated in the Delaware Court of Chancery on January 25, 2013. On March 18, 2013, the Delaware Court of Chancery granted the stipulation made by the parties to allow the plaintiffs in In re Freeport-McMoRan Derivative Litigation, No. CV2012-018351, consolidated in the Arizona Superior Court on February 6, 2013, to intervene in the consolidated Delaware action. On March 18, 2013, the Arizona plaintiffs agreed to seek a permanent stay of the Arizona actions, and on March 20, 2013, the Arizona Superior Court extended the stay until June 7, 2013. On March 21, 2013, the plaintiffs in the consolidated Delaware action informed the Delaware Court of Chancery that they will not seek a preliminary injunction barring either the PXP merger or the MMR merger.

Stephen Blau MD Money Purchase Pension Plan Trust v. Moffett et al., No. 8384-VCN, Delaware Court of Chancery, filed March 5, 2013. On March 5, 2013, an additional derivative action challenging the MMR merger and the PXP merger was filed on behalf of FCX by a purported FCX stockholder in the Delaware Court of Chancery. The action names some or all of the following as defendants: the directors and certain officers of FCX, two FCX subsidiaries, PXP and certain of its directors, and MMR and certain of its directors and officers. The action alleges, among other things, that the FCX directors breached their fiduciary duties to FCX stockholders because they, among other things, pursued their own interests at the expense of stockholders in approving the PXP and MMR mergers. The complaint also alleges that some or all of the following parties aided and abetted the wrongful acts allegedly committed by the directors and certain officers of FCX, two FCX subsidiaries, PXP and certain of its directors, and MMR and certain of its directors and officers. The action seeks as relief, among other things, enjoining defendants temporarily and permanently from taking any steps to accomplish or implement the proposed PXP and MMR mergers under the terms proposed and requiring submission of the proposed PXP and MMR

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mergers to a vote of FCX stockholders, damages, and attorneys' fees and costs. This action has not yet been consolidated into the Delaware action.

In re Plains Exploration & Production Company Stockholder Litigation, No. 8090-VCN, consolidated in the Delaware Court of Chancery on January 15, 2013. On March 22, 2013, the plaintiffs filed a brief in support of their motion for preliminary injunction which was filed on February 15, 2013. The Delaware Court of Chancery held a hearing on May 1, 2013, regarding the plaintiffs' motion for preliminary injunction. A ruling is expected in the near future.

In re McMoRan Exploration Co. Stockholder Litigation, No. 8132-VCN, consolidated in the Delaware Court of Chancery on January 25, 2013. On March 21, 2013, the plaintiffs filed a brief in support of their motion for preliminary injunction which was filed on December 20, 2012.

Langley v. Moffett et al., No. 2012-11904, Civil District Court for the Parish of Orleans of the State of Louisiana, filed December 19, 2012. On April 19, 2013, the Louisiana Civil District Court granted defendants' motion to stay the action pending the resolution of the consolidated action brought by MMR stockholders in the Delaware Court of Chancery.

FCX intends to defend itself vigorously in these matters.

Tax Matters. As reported in Note 13 of FCX's annual report on Form 10-K for the year ended December 31, 2012, PT Freeport Indonesia has received assessments from the Indonesian tax authorities for additional taxes and interest related to various audit exceptions for the years 2005, 2006 and 2007. During first-quarter 2013, PT Freeport Indonesia also received assessments from the Indonesian tax authorities for additional taxes of $59 million and interest of $55 million related to various audit exceptions for 2008. As of March 31, 2013, PT Freeport Indonesia has paid $190 million (of which $148 million is included in other assets) for the tax assessments. PT Freeport Indonesia has filed objections to the 2005, 2006 and 2007 assessments because it believes it has properly determined and paid its taxes.

10. NEW ACCOUNTING STANDARDS

In December 2011, the Financial Accounting Standards Board (FASB) issued an Accounting Standards Update (ASU) that requires companies to disclose information regarding offsetting and other arrangements for derivatives and other financial instruments. Additionally, in January 2013, FASB issued an ASU that limited the scope of the balance sheet offsetting disclosures to derivatives, repurchase agreements and securities lending transactions to the extent that they are (i) offset in the financial statements or (ii) subject to an enforceable master netting arrangement or similar arrangement. FCX adopted this guidance effective January 1, 2013.

In February 2013, FASB issued an ASU that clarified the reclassification requirements from accumulated other comprehensive income to net income. This ASU requires disclosure of amounts reclassified out of accumulated other comprehensive income by component. In addition, an entity is required to present either on the face of the financial statements or in the notes, significant amounts reclassified out of accumulated other comprehensive income by the respective line items of net income, but only if the amount is reclassified in its entirety to net income in the same reporting period. For amounts not reclassified in their entirety to net income, an entity is required to cross-reference to the related note on the face of the financial statements for additional information. FCX adopted this guidance effective January 1, 2013.

11. SUBSEQUENT EVENTS

FCX evaluated events after March 31, 2013, and through the date the consolidated 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 consolidated financial statements.

12. BUSINESS SEGMENTS

FCX has organized its operations into five primary divisions – North America copper mines, South America mining, Indonesia mining, Africa mining and Molybdenum mines. Notwithstanding this structure, FCX internally reports information on a mine-by-mine basis. Therefore, FCX concluded that its operating segments include individual mines or operations. Operating segments that meet certain thresholds are reportable segments. Beginning in first-quarter 2013, the Molybdenum operations division was revised to only report FCX's two molybdenum mines in North America - the Henderson underground mine and the Climax open-pit mine, both in Colorado - as a division (i.e. Molybdenum mines). The molybdenum sales company and related conversion facilities are included with Corporate, Other & Eliminations in the following segment tables. In addition, FCX revised its segment disclosures for the three months ended March 31, 2012, to conform with the current period presentation.

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Intersegment Sales. Intersegment sales between FCX’s operations are based on similar arms-length transactions with third parties at the time of the sale. Intersegment sales may not be reflective of the actual prices ultimately realized because of a variety of factors, including additional processing, timing of sales to unaffiliated customers and transportation premiums.

FCX defers recognizing profits on sales from its mining operations to Atlantic Copper and on 25 percent of Indonesia mining sales to PT Smelting until final sales to third parties occur. Quarterly variations in ore grades, the timing of intercompany shipments and changes in product prices result in variability in FCX's net deferred profits and quarterly earnings.

Allocations. FCX allocates certain operating costs, expenses and capital expenditures to its operating divisions and individual segments. However, not all costs and expenses applicable to a mine or operation are allocated. U.S. federal and state income taxes are recorded and managed at the corporate level, whereas foreign income taxes are recorded and managed at the applicable country. In addition, most exploration and research activities are managed at the corporate level, and those costs along with some selling, general and administrative costs are not allocated to the operating divisions or segments. Accordingly, the following segment information reflects management determinations that may not be indicative of what the actual financial performance of each operating division or segment would be if it was an independent entity.

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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.

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

TO THE BOARD OF DIRECTORS AND STOCKHOLDERS OF

FREEPORT-McMoRan COPPER & GOLD INC.

We have reviewed the condensed consolidated balance sheet of Freeport-McMoRan Copper & Gold Inc. as of March 31, 2013, and the related consolidated statements of income, comprehensive income, and cash flows for the three-month periods ended March 31, 2013 and 2012, and the consolidated statement of equity for the three-month period ended March 31, 2013. These financial statements are the responsibility of the Company’s management.

We conducted our review in accordance with the standards of the Public Company Accounting Oversight Board (United States). A review of interim financial information consists principally of applying analytical procedures and making inquiries of persons responsible for financial and accounting matters. It is substantially less in scope than an audit conducted in accordance with the standards of the Public Company Accounting Oversight Board, the objective of which is the expression of an opinion regarding the financial statements taken as a whole. Accordingly, we do not express such an opinion.

Based on our review, we are not aware of any material modifications that should be made to the condensed consolidated financial statements referred to above for them to be in conformity with U.S. generally accepted accounting principles.

We have previously audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated balance sheet of Freeport-McMoRan Copper & Gold Inc. as of December 31, 2012, and the related consolidated statements of income, comprehensive income, cash flows, and equity for the year then ended (not presented herein), and in our report dated February 22, 2013, we expressed an unqualified opinion on those consolidated financial statements. In our opinion, the information set forth in the accompanying condensed consolidated balance sheet as of December 31, 2012, is fairly stated, in all material respects, in relation to the consolidated balance sheet from which it has been derived.

/s/ ERNST & YOUNG LLP

Phoenix, Arizona

May 6, 2013

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Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations.

In Management’s Discussion and Analysis of Financial Condition and Results of Operations, “we,” “us” and “our” refer to Freeport-McMoRan Copper & Gold Inc. (FCX) and its consolidated subsidiaries. You should read this discussion in conjunction with our financial statements, the related Management’s Discussion and Analysis of Financial Condition and Results of Operations and the discussion of our Business and Properties in our annual report on Form 10-K for the year ended December 31, 2012, filed with the United States (U.S.) Securities and Exchange Commission (SEC). The results of operations reported and summarized below are not necessarily indicative of future operating results (refer to "Cautionary Statement" for further discussion). References to “Notes” are Notes included in our Notes to Consolidated Financial Statements. Throughout Management's Discussion and Analysis of Financial Condition and Results of Operations all references to earnings or losses per share are on a diluted basis, unless otherwise noted.

PENDING ACQUISTIONS

In December 2012, we announced definitive agreements to acquire, in separate transactions, Plains Exploration & Production Company (PXP) and McMoRan Exploration Co. (MMR). Completion of each transaction is subject to receipt of PXP and MMR stockholder approval of their respective transaction. The PXP transaction is not conditioned on the closing of the MMR transaction, and the MMR transaction is not conditioned on the closing of the PXP transaction. On April 18, 2013, PXP announced that it will hold a special meeting of its stockholders on May 20, 2013, to vote on the proposed acquisition of PXP by FCX. On May 3, 2013, MMR announced it will hold a special meeting of its stockholders on June 3, 2013, to vote on the proposed acquisition of MMR by FCX. Both transactions are expected to close in second-quarter 2013, subject to satisfaction of all conditions to closing. Refer to Note 2 for further discussion of these pending acquisitions.

The information contained in Management's Discussion and Analysis of Financial Condition and Results of Operations does not reflect the pending acquisitions of PXP or MMR.

OVERVIEW

We are one of the world’s largest copper, gold and molybdenum mining companies in terms of reserves and production. Our portfolio of assets includes the Grasberg minerals district in Indonesia, one of the world's largest copper and gold deposits in terms of recoverable reserves, significant mining operations in North and South America, and the Tenke Fungurume (Tenke) minerals district in the Democratic Republic of Congo (DRC). We also operate Atlantic Copper, our wholly owned copper smelting and refining unit in Spain.

On March 29, 2013, through a newly formed joint venture, we acquired a large-scale cobalt chemical refinery in Kokkola, Finland, and the related sales and marketing business. The joint venture operates under the name Freeport Cobalt, and we are the operator of the joint venture with an effective 56 percent ownership interest. The remaining ownership interest is held by our partners in Tenke Fungurume Mining S.A.R.L. (TFM), including 24 percent by Lundin Mining Corporation (Lundin) and 20 percent by La Générale des Carrières et des Mines (Gécamines). This acquisition enhances our cobalt marketing position, product portfolio and product development capabilities and provides direct end-market access for the cobalt hydroxide production by TFM. Initial consideration paid was $355 million, including $34 million of acquired cash. Under the terms of the agreement, there is the potential for additional consideration of up to $110 million over a period of three years, contingent upon the achievement of revenue-based performance targets. The acquisition was funded 70 percent by us and 30 percent by Lundin, which amounts will be repaid prior to any shareholder distributions. Refer to Note 2 for further discussion.

We are progressing on major development projects, including the development of the underground ore bodies at Grasberg, and the expansion projects at Morenci and Cerro Verde. Studies are also under way to evaluate a major mill project at El Abra and various mill projects to process significant sulfide ore in North America. The advancement of these studies is designed to position us to invest in production growth within our existing portfolio of assets. Refer to “Operations” for further discussion of our current operating and development activities.

At March 31, 2013, we had $9.6 billion in consolidated cash and cash equivalents and $10.1 billion in total debt. During first-quarter 2013, we completed $10.5 billion in debt financings associated with the pending acquisitions of PXP and MMR consisting of $6.5 billion of senior notes and a $4.0 billion bank term loan (the Term Loan). No amounts are currently available to FCX under the Term Loan, which will be funded at closing of the acquisitions.

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The weighted-average interest rate of these financings approximates 3.1 percent. Refer to "Capital Resources and Liquidity" and Note 6 for further discussion.

At current copper prices, we expect to produce significant operating cash flows, and to use our cash to invest in our development projects and return cash to shareholders through dividends on our common stock.

Refer to "Consolidated Results" for discussion of items impacting our consolidated results for the first quarters of 2013 and 2012.

OUTLOOK

We view the long-term outlook for our business positively, supported by limitations on supplies of copper and by the requirements for copper in the world’s economy. In recent weeks, the price of copper and other commodities have declined as a result of slowing growth in China and weakness in other global economies. We will continue to monitor market developments and adjust our operating strategy as conditions change. Our financial results vary as a result of fluctuations in market prices for copper, gold and molybdenum and other factors. World market prices for these commodities have fluctuated historically and are affected by numerous factors beyond our control. Because we cannot control the price of our products, the key measures that management focuses on in operating our business are sales volumes, unit net cash costs and operating cash flow. Discussion of the outlook for each of these measures follows.

Sales Volumes.  Following are our projected consolidated sales volumes for the year 2013:

Copper (millions of recoverable pounds):
North America copper mines	1,445
South America mining	1,335
Indonesia mining	1,085
Africa mining	435
	4,300
Gold (thousands of recoverable ounces):
Indonesia mining	1,245
North and South America mining	130
	1,375
Molybdenum (millions of recoverable pounds)a	92

a. Projected molybdenum sales include 52 million pounds produced at our molybdenum mines and 40 million pounds produced at our North and South America copper mines.

Consolidated sales from mines for second-quarter2013 are expected to approximate 1.0 billion pounds of copper, 295 thousand ounces of gold and 23 million pounds of molybdenum. Projected sales volumes are dependent on a number of factors, including achievement of targeted mining rates, the successful operation of production facilities, the impact of weather conditions and other factors.

Unit Net Cash Costs. Assuming average prices of $1,400 per ounce of gold and $11 per pound of molybdenum for the remainder of2013, and achievement of current sales volume and cost estimates, consolidated unit net cash costs (net of by-product credits) for our copper mining operations are expected to average $1.45 per pound of copper for 2013. Projected unit net cash costs for 2013 are higher than previous estimates primarily because of lower gold credits. The impact of price changes for the remainder of2013 on consolidated unit net cash costs would approximate $0.015 per pound for each $50 per ounce change in the average price of gold and $0.01 per pound for each $2 per pound change in the average price of molybdenum. Quarterly unit net cash costs vary with fluctuations in sales volumes and average realized prices (primarily gold and molybdenum prices), and are expected to decline in the second half of 2013 as we gain access to higher grade ore at Grasberg (54 percent of our projected consolidated copper sales volumes and 63 percent of our projected consolidated gold sales volumes are expected in the second half of 2013). Refer to “Consolidated Results – Production and Delivery Costs” for further discussion of consolidated production and delivery costs.

Operating Cash Flows. Our operating cash flows vary with prices realized from copper, gold and molybdenum sales, our sales volumes, production costs, income taxes and other working capital changes and other factors. Based on current sales volume and cost estimates and assuming average prices of $3.25 per pound of copper, $1,400 per ounce of gold and $11 per pound of molybdenum for the remainder of2013, consolidated operating

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cash flows (excluding results of the pending PXP and MMR acquisitions) are estimated to approximate $5.5 billion for the year 2013 (including $0.4 billion in net working capital sources and changes in other tax payments). Projected operating cash flows for the year 2013 also reflect estimated taxes of $1.9 billion (refer to “Consolidated Results – Provision for Income Taxes” for further discussion of our projected consolidated effective annual tax rate for 2013). The impact of price changes for the remainder of2013 on operating cash flows would approximate $270 million for each $0.10 per pound change in the average price of copper, $50 million for each $50 per ounce change in the average price of gold and $80 million for each $2 per pound change in the average price of molybdenum.

COPPER, GOLD AND MOLYBDENUM MARKETS

World prices for copper, gold and molybdenum can fluctuate significantly. During the period from January 2003 through April 2013, the London Metal Exchange (LME) spot copper price varied from a low of $0.70 per pound in 2003 to a record high of $4.60 per pound in 2011, the London Bullion Market Association (London) gold price fluctuated from a low of $320 per ounce in 2003 to a record high of $1,895 per ounce in 2011, and the Metals Week Molybdenum Dealer Oxide weekly average price ranged from a low of $3.28 per pound in 2003 to a record high of $39.25 per pound in 2005. Copper, gold and molybdenum prices are affected by numerous factors beyond our control as described further in our “Risk Factors” contained in Part I, Item 1A of our annual report on Form 10-K for the year ended December 31, 2012.

This graph presents LME spot copper prices and the combined reported stocks of copper at the LME, the New York Mercantile Exchange (COMEX) and the Shanghai Futures Exchange from January 2003 through April 2013. From 2006 through most of 2008, limited supplies, combined with growing demand from China and other emerging economies, resulted in high copper prices and low levels of inventories. In late 2008, slowing consumption, turmoil in the U.S. financial markets and concerns about the global economy led to a sharp decline in copper prices, which reached a low of $1.26 per pound in December 2008. Higher copper prices since that time are attributable to a combination of demand from developing economies and pro-growth monetary and fiscal policy decisions in Europe, China and the U.S. During first-quarter2013, LME spot copper prices ranged from $3.42 per pound to $3.74 per pound, averaged $3.60 per pound, and was $3.44 per pound on March 31, 2013.

Subsequent to March 31, 2013, copper prices have been impacted by demand related concerns, with LME spot copper prices closing at $3.21 per pound on April 30, 2013. Despite the decline in copper prices and increases in global exchange inventories, we believe the underlying long-term fundamentals of the copper business remain positive, supported by the significant role of copper in the global economy and a challenging supply environment.

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Future copper prices are expected to be volatile and are likely to be influenced by demand from China and emerging markets, economic activity in the U.S. and other industrialized countries, the timing of the development of new supplies of copper and production levels of mines and copper smelters.

This graph presents London PM gold prices from January 2003 through April 2013. During first-quarter2013, gold prices ranged from $1,574 per ounce to $1,694 per ounce, averaged $1,632 per ounce and was $1,598 per ounce on March 31, 2013. Subsequent to March 31, 2013, gold prices have declined with the London PM gold price closing at $1,469 per ounce on April 30, 2013. Many analysts believe the outlook for gold is positive amid an uncertain outlook for global growth and the prospects for future inflation associated with accommodative monetary policies and elevated sovereign debt levels.

This graph presents the Metals Week Molybdenum Dealer Oxide weekly average prices from January 2003 through April 2013. During first-quarter2013, the weekly average price of molybdenum ranged from $10.75 per pound to $11.95 per pound, averaged $11.35 per pound and was $10.78 on March 31, 2013. The Metals Week Molybdenum Dealer Oxide weekly average price was $11.20 per pound on April 30, 2013.

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CONSOLIDATED RESULTS

	Three Months Ended
	March 31,
	2013			2012
Financial Data (in millions, except per share amounts)
Revenuesa,b	$	4,583		$	4,605
Operating incomea	$	1,355	c	$	1,734
Net income attributable to FCX common stockholdersd	$	648	c,e	$	764	e
Diluted net income per share attributable to FCX common stockholders	$	0.68	c,e	$	0.80	e
Diluted weighted-average common shares outstanding	953			955
Operating cash flows	$	831	f	$	801	f
Capital expenditures	$	805		$	707
Mining Operating Data
Copper (millions of recoverable pounds)
Production	980			833
Sales, excluding purchases	954			827
Average realized price per pound	$	3.51		$	3.82
Site production and delivery costs per poundg	$	1.94		$	1.96
Unit net cash costs per poundg	$	1.57		$	1.26
Gold (thousands of recoverable ounces)
Production	235			252
Sales, excluding purchases	214			288
Average realized price per ounce	$	1,606		$	1,694
Molybdenum (millions of recoverable pounds)
Production	22			21
Sales, excluding purchases	25			21
Average realized price per pound	$	12.75		$	15.34

a. Refer to Note 12 for a summary of revenues and operating income by business segment.

b. Includes the impact of adjustments to provisionally priced concentrate and cathode sales recognized in prior periods (refer to “Revenues” for further discussion). 

c. Includes charges of $14 million ($10 million to net income attributable to FCX common stockholders or $0.01 per share) for costs associated with the pending acquisitions of PXP and MMR and for the March 2013 acquisition of a cobalt chemical refinery business.

d. We defer recognizing profits on intercompany sales until final sales to third parties occur. Refer to "Operations - Atlantic Copper Smelting & Refining" for a summary of net impacts from changes in these deferrals.

e. Includes losses on early extinguishment of debt totaling $40 million ($0.04 per share) for first-quarter2013 related to the termination of the acquisition bridge loan facilities and $149 million ($0.16 per share) for first-quarter2012 associated with the redemption of our remaining 8.375% senior notes. Refer to Note 6 for further discussion.

f. Net of working capital uses and changes in other tax payments of $430 million for first-quarter2013 and $720 million for first-quarter2012.

g. Reflects per pound weighted-average production and delivery costs and unit net cash costs (net of by-product credits) for all copper mines, before net noncash and other costs. For reconciliations of the per pound costs by operating division to production and delivery costs applicable to sales reported in our consolidated financial statements, refer to “Operations – Unit Net Cash Costs” and to “Product Revenues and Production Costs.”

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Revenues

Consolidated revenues totaled $4.6 billion in both the first quarters of 2013 and 2012, and primarily included the sale of copper concentrates, copper cathodes, copper rod, gold, molybdenum, silver and cobalt hydroxide. Following is a summary of changes in our consolidated revenues between periods (in millions):

	Three Months Ended March 31,
Consolidated revenues - first-quarter 2012	$	4,605
Higher (lower) sales volumes from mining operations:
Copper	488
Gold	(125		)
Molybdenum	59
Silver	10
Cobalt	5
(Lower) higher price realizations from mining operations:
Copper	(296		)
Gold	(19		)
Molybdenum	(64		)
Silver	1
Cobalt	(7		)
Unfavorable impact of net adjustments for prior period provisionally priced sales	(127		)
Other, including intercompany eliminations	53
Consolidated revenues - first-quarter 2013	$	4,583

Sales Volumes

Consolidated copper sales volumes increased to 954 million pounds in first-quarter2013, compared with 827 million pounds in first-quarter2012, primarily reflecting higher production from Indonesia and Africa. Consolidated gold sales volumes decreased to 214 thousand ounces in first-quarter2013, compared with 288 thousand ounces in first-quarter2012, primarily reflecting anticipated lower ore grades in Indonesia. Consolidated molybdenum sales volumes increased to 25 million pounds in first-quarter2013, compared with 21 million pounds in first-quarter2012, primarily reflecting stronger sales in the metallurgical and chemical sectors. Refer to “Operations” for further discussion of sales volumes at our operating divisions.

Price Realizations

Our consolidated revenues can vary significantly as a result of fluctuations in the market prices of copper, gold, molybdenum, silver and cobalt. Following is a summary of our average realized prices for the first quarters of2013 and 2012:

	Three Months Ended
	March 31,
	2013		2012
Copper (per pound)	$	3.51	$	3.82
Gold (per ounce)	$	1,606	$	1,694
Molybdenum (per pound)	$	12.75	$	15.34
Silver (per ounce)	$	30.01	$	29.45
Cobalt (per pound)	$	7.28	$	8.46

Provisionally Priced Copper Sales

During first-quarter2013, 46 percent of our mined copper was sold in concentrate, 28 percent as cathode and 26 percent as rod from our North America operations. Substantially all of our copper concentrate and cathode sales contracts provide final copper pricing in a specified future month (generally one to four months from the shipment date) based primarily on quoted LME monthly average spot copper prices. We receive market prices based on prices in the specified future period, which results in price fluctuations recorded through revenues until the date of settlement. We record revenues and invoice customers at the time of shipment based on then-current LME prices, which results in an embedded derivative on our provisionally priced concentrate and cathode sales that is adjusted to fair value through earnings each period, using the period-end forward prices, until final pricing on the date of settlement. To the extent final prices are higher or lower than what was recorded on a provisional basis, an increase or decrease to revenues is recorded each reporting period until the date of final pricing. Accordingly, in times of

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rising copper prices, our revenues benefit from adjustments to the final pricing of provisionally priced sales pursuant to contracts entered into in prior periods; in times of falling copper prices, the opposite occurs.

Following are the (unfavorable) favorable impacts of net adjustments to the prior years' provisionally priced copper sales for the first quarters of2013 and 2012 (in millions, except per share amounts):

	Three Months Ended
	March 31,
	2013			2012
Revenues	$	(11	)	$	109
Net income attributable to FCX common stockholders	$	(5	)	$	47
Net income per share attributable to FCX common stockholders	$	(0.01	)	$	0.05

At March 31, 2013, we had provisionally priced copper sales at our copper mining operations, primarily South America and Indonesia, totaling 340 million pounds of copper (net of intercompany sales and noncontrolling interests) recorded at an average of $3.41 per pound, subject to final pricing over the next several months. We estimate that each $0.05 change in the price realized from the March 31, 2013, provisional price recorded would have a net impact on our 2013 consolidated revenues of approximately $23 million ($12 million to net income attributable to common stockholders). The LME spot copper price closed at $3.21 per pound on April 30, 2013.

Production and Delivery Costs

Consolidated production and delivery costs increased to $2.7 billion in first-quarter2013, compared with $2.4 billion in first-quarter2012, primarily reflecting higher production in Indonesia and Africa and higher costs in North and South America.

Consolidated unit site production and delivery costs (before net noncash and other costs) for our copper mining operations averaged $1.94 per pound of copper in first-quarter2013, compared with $1.96 per pound of copper in first-quarter2012, primarily reflecting higher copper sales volumes in Indonesia and Africa, partly offset by higher costs in North and South America. Assuming achievement of current volume and cost estimates, consolidated unit site production and delivery costs are expected to average $1.89 per pound of copper for the year 2013. Refer to “Operations – Unit Net Cash Costs” for further discussion of unit net cash costs associated with our operating divisions, and to “Product Revenues and Production Costs” for reconciliations of per pound costs by operating division to production and delivery costs applicable to sales reported in our consolidated financial statements.

Our copper mining operations require significant energy, principally diesel, electricity, coal and natural gas. Energy costs approximated 21 percent of our consolidated copper production costs in 2012 and are expected to approximate 21 percent for the year 2013, including purchases of approximately 270 million gallons of diesel fuel; 7,500 gigawatt hours of electricity at our North America, South America and Africa copper mining operations (we generate all of our power at our Indonesia mining operation); 760 thousand metric tons of coal for our coal power plant in Indonesia; and 1 million MMBTU (million British thermal units) of natural gas at certain of our North America mines.

Depreciation, Depletion and Amortization

Consolidated depreciation, depletion and amortization expense totaled $329 million in first-quarter2013 and $267 million in first-quarter2012. Depreciation will vary under the unit of production (UOP) method as a result of changes in sales volumes and the related UOP rates at our individual mines, which have increased because of asset additions.

Selling, General and Administrative Expenses

Consolidated selling, general and administrative expenses increased to $113 million in first-quarter2013, compared with $104 million in first-quarter2012, primarily reflecting costs recorded in first-quarter2013 associated with the pending acquisitions of PXP and MMR and for the March 2013 acquisition of the cobalt chemical refinery business. Refer to Note 2 for further discussion of these acquisitions.

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Exploration and Research Expenses

Consolidated exploration and research expenses totaled $52 million in first-quarter2013 and $62 million in first-quarter2012. We are actively conducting exploration activities near our existing mines with a focus on opportunities to expand reserves that will support additional future production capacity in the large mineral districts where we currently operate. Favorable exploration results indicate opportunities for what we believe could be significant future potential reserve additions in North and South America and in the Tenke minerals district. The drilling data in North America continues to indicate the potential for expanded sulfide production.

For the year 2013, exploration and research expenditures are expected to approximate $280 million, including $235 million for exploration. Exploration activities will continue to focus primarily on the potential for future reserve additions in our existing mineral districts. Approximately one-third of the 2013 budget is associated with global greenfield exploration projects.

Environmental Obligations and Shutdown Costs

Environmental obligation costs reflect net revisions to our long-term environmental obligations, which will vary from period to period because of changes to environmental laws and regulations, the settlement of environmental matters and/or circumstances affecting our operations that could result in significant changes in our estimates. Shutdown costs include care and maintenance costs and any litigation, remediation or related expenditures associated with closed facilities or operations.

Net charges for environmental obligations and shutdown costs totaled $15 million in first-quarter2013, compared with $10 million in first-quarter2012. Refer to Note 9 and "Contingencies" for further discussion of environmental obligations and litigation matters associated with closed facilities or operations.

Interest Expense, Net

Consolidated interest expense (excluding capitalized interest) decreased to $75 million in first-quarter2013, compared with $99 million in first-quarter2012, primarily reflecting lower interest related to the February 2012 refinancing transaction, partly offset by $17 million of additional interest expense related to the March 2013 sale of $6.5 billion of senior notes. Refer to Note 6 for further discussion.

Capitalized interest is primarily related to the level of expenditures for our development projects and average interest rates on our borrowings, and totaled $18 million in first-quarter2013 and $36 million in first-quarter2012. Refer to “Operations” for further discussion of current development projects.

Losses on Early Extinguishment of Debt

Losses on early extinguishment of debt were $45 million in first-quarter2013 related to the termination of the bridge loan facilities for the pending PXP and MMR acquisitions, and $168 million in first-quarter2012 related to the redemption of our remaining outstanding 8.375% senior notes. Refer to Note 6 for further discussion.

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Provision for Income Taxes

Following is a summary of the approximate amounts in the calculation of our consolidated provision for income taxes for the first quarters of2013 and 2012 (in millions, except percentages):

	Three Months Ended							Three Months Ended
	March 31, 2013							March 31, 2012
	Incomea		Effective Tax Rate		Income Tax Provision			Incomea		Effective Tax Rate	Income Tax (Provision) Benefit
U.S.	$	325	22%		$	(71	)	$	339	24%	$	(83	)
South America	443		34%		(151		)	691		35%	(240		)
Indonesia	279		43%		(120		)	351		43%	(150		)
Africa	143		31%		(44		)	89		33%	(29		)
Eliminations and other	60		N/A		(10		)	20		N/A	9
Annualized rate adjustmentb	—		N/A		(32		)	—		N/A	2
Consolidated FCX	$	1,250	34%	c	$	(428	)	$	1,490	33%	$	(491	)

a. Represents income by geographic location before income taxes and equity in affiliated companies’ net earnings.

b. In accordance with applicable accounting rules, we adjust our interim provision for income taxes equal to our estimated annualized tax rate.

c. Our consolidated effective income tax rate is a function of the combined effective tax rates for the jurisdictions in which we operate. Accordingly, variations in the relative proportions of jurisdictional income can result in fluctuations to our consolidated effective income tax rate. Assuming average prices of $3.25 per pound for copper, $1,400 per ounce for gold and $11 per pound for molybdenum for the remainder of2013 and achievement of current sales volume and cost estimates, we estimate our consolidated effective tax rate for the year 2013 (excluding impacts from the pending acquisitions of PXP and MMR) will approximate 34 percent to 35 percent.

OPERATIONS

North America Copper Mines

We operate seven copper mines in North America – Morenci, Bagdad, Safford, Sierrita and Miami in Arizona, and Chino and Tyrone in New Mexico. All of these mining operations are wholly owned, except for Morenci, an unincorporated joint venture in which we own an 85 percent undivided interest.

The North America copper mines include open-pit mining, sulfide ore concentrating, leaching and solution extraction/electrowinning (SX/EW) operations. A majority of the copper produced at our North America copper mines is cast into copper rod by our Rod & Refining segment. The remainder of our North America copper sales is in the form of copper cathode or copper concentrate, a portion of which is shipped to Atlantic Copper. Molybdenum concentrate is also produced by certain of our North America copper mines (Sierrita, Bagdad, Morenci and Chino), which is sold to our molybdenum sales company at market-based pricing.

Operating and Development Activities. We have increased production from our North America copper mines in recent years and continue to evaluate opportunities to invest in additional production capacity at our North America copper mines in response to positive exploration results in recent years.

Morenci Mill Expansion. We are expanding mining and milling capacity at Morenci to process additional sulfide ores identified through exploratory drilling. The approximate $1.4 billion project is targeting incremental annual production of approximately 225 million pounds of copper in 2014 (an approximate 40 percent increase from 2012) through an increase in milling rates from 50,000 metric tons of ore per day to approximately 115,000 metric tons of ore per day, and mining rates from 700,000 short tons per day to 900,000 short tons per day. The targeted increase in mining rates has been achieved, engineering activities are nearing completion and construction activities for the new mill and related facilities are in progress. We have incurred project costs of $441 million as of March 31, 2013 ($147 million during first-quarter2013).

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Operating Data. Following is summary operating data for the North America copper mines for the first quarters of2013 and 2012:

	Three Months Ended
	March 31,
	2013		2012
Operating Data, Net of Joint Venture Interest
Copper (millions of recoverable pounds)
Production	343		337
Sales, excluding purchases	353		338
Average realized price per pound	$	3.60	$	3.82
Molybdenum (millions of recoverable pounds)
Productiona	8		10
100% Operating Data
SX/EW operations
Leach ore placed in stockpiles (metric tons per day)	1,000,100		1,032,900
Average copper ore grade (percent)	0.22		0.23
Copper production (millions of recoverable pounds)	209		218
Mill operations
Ore milled (metric tons per day)	250,600		236,000
Average ore grade (percent):
Copper	0.39		0.37
Molybdenum	0.03		0.03
Copper recovery rate (percent)	84.3		80.0
Copper production (millions of recoverable pounds)	158		142

a. Refer to "Consolidated Results" for our consolidated molybdenum sales volumes, which includes sales of molybdenum produced at the North America copper mines.

Copper sales volumes from our North America copper mines of 353 million pounds in first-quarter2013 were higher than first-quarter2012 sales of 338 million pounds primarily reflecting increased production at the Chino mine.

For the year 2013, copper sales volumes from our North America copper mines are expected to approximate 1.45 billion pounds, compared with 1.35 billion pounds in 2012, primarily reflecting higher production at Morenci and Chino. Refer to "Outlook" for projected molybdenum sales volumes.

Unit Net Cash Costs. Unit net cash costs per pound of copper is a measure intended to provide investors with information about the cash-generating capacity of our mining operations expressed on a basis relating to the primary metal product for our respective operations. We use this measure for the same purpose and for monitoring operating performance by our mining operations. This information differs from measures of performance determined in accordance with generally accepted accounting principles in the U.S. (U.S. GAAP) and should not be considered in isolation or as a substitute for measures of performance determined in accordance with U.S. GAAP. This measure is presented by other metals mining companies, although our measure may not be comparable to similarly titled measures reported by other companies.

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Gross Profit per Pound of Copper and Molybdenum

The following tables summarize unit net cash costs and gross profit per pound at our North America copper mines for the first quarters of2013 and 2012. Refer to “Product Revenues and Production Costs” for an explanation of the “by-product” and “co-product” methods and a reconciliation of unit net cash costs per pound to production and delivery costs applicable to sales reported in our consolidated financial statements.

	Three Months Ended							Three Months Ended
	March 31, 2013							March 31, 2012
	By- Product Method			Co-Product Method				By- Product Method			Co-Product Method
				Copper		Molyb- denum					Copper		Molyb- denum
Revenues, excluding adjustments	$	3.60		$	3.60	$	11.75	$	3.82		$	3.82	$	14.16
Site production and delivery, before net noncash and other costs shown below	1.99			1.94		3.27		1.80			1.74		3.04
By-product credits	(0.26		)	—		—		(0.41		)	—		—
Treatment charges	0.13			0.13		—		0.12			0.11		—
Unit net cash costs	1.86			2.07		3.27		1.51			1.85		3.04
Depreciation, depletion and amortization	0.28			0.27		0.20		0.27			0.26		0.18
Noncash and other costs, net	0.09			0.09		0.03		0.06			0.06		0.01
Total unit costs	2.23			2.43		3.50		1.84			2.17		3.23
Revenue adjustments, primarily for pricing on prior period open sales	—			—		—		0.03			0.03		—
Gross profit per pound	$	1.37		$	1.17	$	8.25	$	2.01		$	1.68	$	10.93
Copper sales (millions of recoverable pounds)	352			352				337			337
Molybdenum sales (millions of recoverable pounds)a						8							10

a. Reflects sales of molybdenum produced by certain of the North America copper mines to our molybdenum sales company at market-based pricing.

Our North America copper mines have varying cost structures because of differences in ore grades and characteristics, processing costs, by-product credits and other factors. Higher average unit net cash costs (net of by-product credits) of $1.86 per pound of copper in first-quarter2013, compared with $1.51 per pound in first-quarter2012, primarily reflected higher mining rates and lower molybdenum credits.

Because certain assets are depreciated on a straight-line basis, North America's average unit depreciation rate may vary with asset additions and the level of copper production and sales.

Assuming achievement of current sales volume and cost estimates and an average price of $11 per pound of molybdenum for the remainder of2013, we estimate that average unit net cash costs (net of by-product credits) for our North America copper mines would approximate $1.89 per pound of copper for the year 2013, compared with $1.67 per pound in 2012. North America's projected average unit net cash costs would change by approximately $0.025 per pound for each $2 per pound change in the average price of molybdenum during the remainder of2013.

South America Mining

We operate four copper mines in South America – Cerro Verde in Peru, and El Abra, Candelaria and Ojos del Salado in Chile. We own a 53.56 percent interest in Cerro Verde, a 51 percent interest in El Abra, and an 80 percent interest in both Candelaria and Ojos del Salado.

South America mining includes open-pit and underground mining, sulfide ore concentrating, leaching and SX/EW operations. Production from our South America mines is sold as copper concentrate or copper cathode under long-term contracts. Our South America mines ship a portion of their copper concentrate inventories to Atlantic Copper (our wholly owned copper smelter). In addition to copper, the Candelaria and Ojos del Salado mines produce gold and silver, and the Cerro Verde mine produces molybdenum concentrates that are sold to our molybdenum sales company at market-based pricing.

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Operating and Development Activities.

Cerro Verde Expansion. We have commenced initial construction activities associated with a large-scale expansion at Cerro Verde. The project, with an estimated cost of $4.4 billion, will expand the concentrator facilities from 120,000 metric tons of ore per day to 360,000 metric tons of ore per day and provide incremental annual production of approximately 600 million pounds of copper and 15 million pounds of molybdenum beginning in 2016. Considering the long-term nature and large size of the project, actual costs could vary from these estimates. Project costs of $641 million have been incurred as of March 31, 2013 ($149 million during first-quarter2013).

An agreement has been reached with the Regional Government of Arequipa, the National Government, Servicio de Agua Potable y Alcantarillado de Arequipa S.A. (SEDAPAR) and other local institutions to allow Cerro Verde to finance the engineering and construction of a wastewater treatment plant for Arequipa. Once Cerro Verde obtains a license for the treated water it would be used to supplement existing water supplies to support the concentrator expansion.  

El Abra Sulfide. We continue to engage in studies to evaluate a potential large-scale milling operation at El Abra to process additional sulfide material and to achieve higher recoveries. Exploration results at El Abra have identified a significant sulfide resource.

Operating Data. Following is summary operating data for our South America mining operations for the first quarters of2013 and 2012:

	Three Months Ended
	March 31,
	2013		2012
Copper (millions of recoverable pounds)
Production	298		293
Sales	285		286
Average realized price per pound	$	3.48	$	3.83
Gold (thousands of recoverable ounces)
Production	21		19
Sales	21		19
Average realized price per ounce	$	1,617	$	1,680
Molybdenum (millions of recoverable pounds)
Productiona	2		2
SX/EW operations
Leach ore placed in stockpiles (metric tons per day)	262,800		196,300
Average copper ore grade (percent)	0.50		0.55
Copper production (millions of recoverable pounds)	109		118
Mill operations
Ore milled (metric tons per day)	188,600		186,000
Average ore grade:
Copper (percent)	0.58		0.55
Gold (grams per metric ton)	0.11		0.09
Molybdenum (percent)	0.02		0.02
Copper recovery rate (percent)	90.8		89.2
Copper production (millions of recoverable pounds)	189		175

a. Refer to "Consolidated Results" for our consolidated molybdenum sales volumes, which includes sales of molybdenum produced at Cerro Verde.

Consolidated copper sales volumes from South America of 285 million pounds in first-quarter2013 approximated first-quarter2012 sales of 286 million pounds as higher grade ore at Candelaria offset lower grade ore at Cerro Verde.

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For the year 2013, consolidated sales volumes from South America mines are expected to approximate 1.34 billion pounds of copper compared with sales of 1.25 billion pounds of copper in 2012, primarily reflect the mining of higher grade ore at Candelaria. Refer to "Outlook" for projected gold and molybdenum sales volumes.

Unit Net Cash Costs. Unit net cash costs per pound of copper is a measure intended to provide investors with information about the cash-generating capacity of our mining operations expressed on a basis relating to the primary metal product for our respective operations. We use this measure for the same purpose and for monitoring operating performance by our mining operations. This information differs from measures of performance determined in accordance with U.S. GAAP and should not be considered in isolation or as a substitute for measures of performance determined in accordance with U.S. GAAP. This measure is presented by other metals mining companies, although our measure may not be comparable to similarly titled measures reported by other companies.

Gross Profit per Pound of Copper

The following tables summarize unit net cash costs and gross profit per pound at the South America mining operations for the first quarters of2013 and 2012. Unit net cash costs per pound of copper are reflected under the by-product and co-product methods as the South America mining operations also had small amounts of molybdenum, gold and silver sales. Refer to “Product Revenues and Production Costs” for an explanation of the “by-product” and “co-product” methods and a reconciliation of unit net cash costs per pound to production and delivery costs applicable to sales reported in our consolidated financial statements.

	Three Months Ended						Three Months Ended
	March 31, 2013						March 31, 2012
	By-Product Method			Co-Product Method			By-Product Method			Co-Product Method
Revenues, excluding adjustments	$	3.48		$	3.48		$	3.83		$	3.83
Site production and delivery, before net noncash and other costs shown below	1.62			1.49			1.53			1.42
By-product credits	(0.29		)	—			(0.29		)	—
Treatment charges	0.18			0.18			0.16			0.16
Unit net cash costs	1.51			1.67			1.40			1.58
Depreciation, depletion and amortization	0.25			0.23			0.22			0.21
Noncash and other costs, net	0.05			0.03			0.07			0.04
Total unit costs	1.81			1.93			1.69			1.83
Revenue adjustments, primarily for pricing on prior period open sales	(0.05		)	(0.05		)	0.38			0.38
Gross profit per pound	$	1.62		$	1.50		$	2.52		$	2.38
Copper sales (millions of recoverable pounds)	285			285			286			286

Our South America mines have varying cost structures because of differences in ore grades and characteristics, processing costs, by-product credits and other factors. Higher average unit net cash costs (net of by-product credits) of $1.51 per pound of copper in first-quarter2013, compared with $1.40 per pound in first-quarter2012, primarily reflected higher costs for maintenance and repairs.

Because certain assets are depreciated on a straight-line basis, South America's unit depreciation rate may vary with asset additions and the level of copper production and sales.

Revenue adjustments primarily result from changes in prices on provisionally priced copper sales recognized in prior periods. Refer to “Consolidated Results - Revenues” for further discussion of adjustments to prior period provisionally priced copper sales.

Assuming achievement of current sales volume and cost estimates and average prices of $1,400 per ounce of gold and $11 per pound of molybdenum for the remainder of2013, we estimate that average unit net cash costs (net of by-product credits) for our South America mining operations would approximate $1.44 per pound of copper for the year 2013, compared with $1.50 per pound in 2012.

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Indonesia Mining

Indonesia mining includes PT Freeport Indonesia’s Grasberg minerals district. We own 90.64 percent of PT Freeport Indonesia, including 9.36 percent owned through our wholly owned subsidiary, PT Indocopper Investama. As previously reported in Note 14 of our annual report on Form 10-K for the year ended December 31, 2012, we have agreed to consider a potential sale of our interest in PT Freeport Indocopper Investama at fair market value. PT Freeport Indonesia is currently engaged in discussions with the Indonesian government related to its Contract of Work (COW) and intends to conclude that process before proceeding with any further discussions about the potential sale of an interest in PT Indocopper Investama.

PT Freeport Indonesia produces copper concentrates, which contain significant quantities of gold and silver. Substantially all of PT Freeport Indonesia’s copper concentrates are sold under long-term contracts, of which approximately one-half is sold to Atlantic Copper (our wholly owned copper smelter) and PT Smelting (PT Freeport Indonesia’s 25-percent owned copper smelter and refinery in Indonesia) and the remainder to other third-party customers.

We have established certain unincorporated joint ventures with Rio Tinto plc (Rio Tinto), under which Rio Tinto has a 40 percent interest in certain assets and future production exceeding specified annual amounts of copper, gold and silver. Refer to Note 2 in our annual report on Form 10-K for the year ended December 31, 2012, for discussion of our joint ventures with Rio Tinto.

For additional discussion of risks associated with our operations in Indonesia, including labor matters, refer to “Risk Factors” contained in Part I, Item 1A. of our annual report on Form 10-K for the year ended December 31, 2012.

Operating and Development Activities. We have several projects in progress in the Grasberg minerals district, primarily related to the development of the large-scale, high-grade underground ore bodies. In aggregate, these underground ore bodies are expected to ramp up over several years to produce approximately 240,000 metric tons of ore per day following the currently anticipated transition from the Grasberg open pit in 2017. Over the next five years, estimated aggregate capital spending on these projects is currently expected to average $735 million per year ($585 million per year net to PT Freeport Indonesia). Considering the long-term nature and large size of these projects, actual costs could vary from these estimates.

The following provides additional information on the continued development of the Common Infrastructure project, the Grasberg Block Cave underground mine and development of the Deep Mill Level Zone (DMLZ) ore body that lies below the Deep Ore Zone (DOZ) underground mine.

Common Infrastructure and Grasberg Block Cave. In 2004, PT Freeport Indonesia commenced its Common Infrastructure project to provide access to its large undeveloped underground ore bodies located in the Grasberg minerals district through a tunnel system located approximately 400 meters deeper than its existing underground tunnel system. In addition to providing access to our underground ore bodies, the tunnel system will enable PT Freeport Indonesia to conduct future exploration in prospective areas associated with currently identified ore bodies. The tunnel system was completed to the Big Gossan terminal, and the Big Gossan mine was brought into production in fourth-quarter 2010. Development of the DMLZ and Grasberg Block Cave mines is advancing.

The Grasberg Block Cave underground mine accounts for more than 40 percent of our recoverable proven and probable reserves in Indonesia. Production at the Grasberg Block Cave mine is currently scheduled to commence in 2017, at the end of mining the Grasberg open pit (currently expected to occur at the end of 2016). Targeted production rates once the Grasberg Block Cave mining operation reaches full capacity are expected to approximate 160,000 metric tons of ore per day.

Aggregate mine development capital for the Grasberg Block Cave mine and associated Common Infrastructure is expected to approximate $4.4 billion (incurred between 2008 and 2021), with PT Freeport Indonesia’s share totaling approximately $4.1 billion. Aggregate project costs totaling $941 million have been incurred through March 31, 2013 ($81 million during first-quarter2013).

DMLZ. The DMLZ ore body lies below the DOZ mine at the 2,590-meter elevation and represents the downward continuation of mineralization in the Ertsberg East Skarn system and neighboring Ertsberg porphyry. We plan to mine the ore body using a block-cave method with production beginning in 2015. Targeted production rates once the DMLZ mining operation reaches full capacity are expected to approximate 80,000 metric tons of ore per day.

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Drilling efforts continue to determine the extent of this ore body. Aggregate mine development capital costs for the DMLZ mine are expected to approximate $2.3 billion (incurred between 2009 to 2020), with PT Freeport Indonesia’s share totaling approximately $1.4 billion. Aggregate project costs totaling $583 million have been incurred through March 31, 2013 ($73 million during first-quarter2013).

Operating Data. Following is summary operating data for our Indonesia mining operations for the first quarters of2013 and 2012:

	Three Months Ended
	March 31,
	2013		2012
Operating Data, Net of Joint Venture Interest
Copper (millions of recoverable pounds)
Production	219		123
Sales	198		134
Average realized price per pound	$	3.43	$	3.81
Gold (thousands of recoverable ounces)
Production	212		229
Sales	191		266
Average realized price per ounce	$	1,604	$	1,695
100% Operating Data
Ore milled (metric tons per day):a
Grasberg open pit	137,400		80,500
DOZ underground mineb	59,000		33,100
Big Gossan underground minec	3,000		1,200
Total	199,400		114,800
Average ore grades:
Copper (percent)	0.66		0.64
Gold (grams per metric ton)	0.52		0.84
Recovery rates (percent):
Copper	88.5		89.6
Gold	71.8		82.1
Production (recoverable):
Copper (millions of pounds)	219		123
Gold (thousands of ounces)	212		229

a. Amounts represent the approximate average daily throughput processed at PT Freeport Indonesia’s mill facilities from each producing mine.

b. Production from the DOZ underground mine is expected to ramp up to the design rate of 80,000 metric tons of ore per day by the end of 2013.

c. Production from the Big Gossan underground mine is expected to ramp up to 7,000 metric tons of ore per day in 2014.

Copper sales volumes from our Indonesia mining operations increased to 198 million pounds in first-quarter2013, compared with 134 million pounds in first-quarter2012 when labor related disruptions affected operations. Productivity measures have continued to improve resulting in first-quarter 2013 daily mill throughput averaging 199,400 metric tons per day, including 59,000 metric tons per day from the DOZ underground mine.

As expected, Indonesia's first-quarter2013 gold sales of 191 thousand ounces were lower than first-quarter2012 gold sales of 266 thousand ounces primarily as a result of lower ore grades from mine sequencing.

At the Grasberg mine, the sequencing in mining areas with varying ore grades causes fluctuations in the timing of ore production resulting in varying quarterly and annual sales of copper and gold. Consolidated sales volumes from our Indonesia mining operations are expected to approximate 1.1 billion pounds of copper and 1.25 million ounces of gold for 2013, compared with 716 million pounds of copper and 915 thousand ounces of gold in 2012. We expect sales from Indonesia to increase in the second half of 2013 as PT Freeport Indonesia gains access to higher ore grades and achieves the targeted ramp up in production from the DOZ underground mine to approximately 80,000

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metric tons per day (57 percent of Indonesia's projected copper sales and 63 percent of Indonesia's projected gold sales are expected in the second half of 2013).

Unit Net Cash Costs. Unit net cash costs per pound of copper is a measure intended to provide investors with information about the cash-generating capacity of our mining operations expressed on a basis relating to the primary metal product for our respective operations. We use this measure for the same purpose and for monitoring operating performance by our mining operations. This information differs from measures of performance determined in accordance with U.S. GAAP and should not be considered in isolation or as a substitute for measures of performance determined in accordance with U.S. GAAP. This measure is presented by other metals mining companies, although our measure may not be comparable to similarly titled measures reported by other companies.

Gross Profit per Pound of Copper and per Ounce of Gold

The following tables summarize the unit net cash costs and gross profit per pound of copper and per ounce of gold at our Indonesia mining operations for the first quarters of2013 and 2012. Refer to “Production Revenues and Production Costs” for an explanation of “by-product” and “co-product” methods and a reconciliation of unit net cash costs per pound to production and delivery costs applicable to sales reported in our consolidated financial statements.

	Three Months Ended								Three Months Ended
	March 31, 2013								March 31, 2012
	By-Product Method			Co-Product Method					By-Product Method			Co-Product Method
				Copper		Gold						Copper			Gold
Revenues, excluding adjustments	$	3.43		$	3.43	$	1,604		$	3.81		$	3.81		$	1,695
Site production and delivery, before net noncash and other costs shown below	2.61			1.77		826			3.51			1.83			814
Gold and silver credits	(1.63		)	—		—			(3.51		)	—			—
Treatment charges	0.23			0.15		71			0.19			0.10			44
Royalty on metals	0.13			0.09		42			0.14			0.07			32
Unit net cash costs	1.34			2.01		939			0.33			2.00			890
Depreciation and amortization	0.28			0.19		88			0.34			0.18			80
Noncash and other costs, net	0.26			0.18		83			0.18			0.10			43
Total unit costs	1.88			2.38		1,110			0.85			2.28			1,013
Revenue adjustments, primarily for pricing on prior period open sales	0.01			0.01		(8		)	0.10			0.10			10
PT Smelting intercompany profit	0.02			0.02		8			(0.16		)	(0.08		)	(36		)
Gross profit per pound/ounce	$	1.58		$	1.08	$	494		$	2.90		$	1.55		$	656
Copper sales (millions of recoverable pounds)	198			198					134			134
Gold sales (thousands of recoverable ounces)						191									266

Indonesia's unit net cash costs (net of gold and silver credits) increased to $1.34 per pound of copper in first-quarter2013, compared with $0.33 per pound in first-quarter2012, primarily reflecting lower gold credits, partly offset by higher copper sales volumes.

Treatment charges vary with the volume of metals sold and the price of copper, and royalties vary with the volume of metals sold and the prices of copper and gold.

Because certain assets are depreciated on a straight-line basis, PT Freeport Indonesia’s unit depreciation rate

varies with the level of copper production and sales.

Revenue adjustments primarily result from changes in prices on provisionally priced copper sales recognized in prior periods. Refer to “Consolidated Results - Revenues” for further discussion of adjustments to prior period provisionally priced copper sales.

Assuming achievement of current sales volume and cost estimates, and an average gold price of $1,400 per ounce for the remainder of2013, we estimate that Indonesia's unit net cash costs (net of gold and silver credits) would approximate $1.00 per pound of copper for the year 2013, and would change by $0.05 per pound for each $50 per

37

ounce change in the average price of gold for the remainder of2013. Indonesia's projected unit net cash costs for 2013 are higher than previous estimates primarily because of lower gold credits. Because of the fixed nature of a large portion of Indonesia's costs, unit costs vary from quarter to quarter depending on copper and gold sales volumes, as well as average realized gold prices for the quarterly period. Indonesia's unit net cash costs are expected to decline during the second half of 2013 as it gains access to higher grade ore.

Africa Mining

Africa mining includes TFM's Tenke minerals district. We hold an effective 56 percent interest in the Tenke copper and cobalt mining concessions in the Katanga province of the DRC and are the operator of TFM.

The Tenke operation includes surface mining, leaching and SX/EW operations. Copper production from the Tenke minerals district is sold as copper cathode. In addition to copper, the Tenke minerals district produces cobalt hydroxide.

For additional discussion of risks associated with our operations in Africa, refer to “Risk Factors” contained in Part I, Item 1A. of our annual report on Form 10-K for the year ended December 31, 2012.

Operating and Development Activities. Our investment in the initial project approximated $2 billion, and as of March 31, 2013, we have received intercompany loan repayments (including interest) of approximately $946 million.

TFM has completed its second phase expansion project, which included optimizing the current plant and increasing mine, mill and processing capacity. The expanded mill is capable of throughput of 14,000 metric tons of ore per day to enable increasing copper production by 150 million pounds to over 430 million pounds per year. Costs incurred to date total approximately $615 million and included mill upgrades, additional mining equipment and a new tankhouse. A second sulphuric acid plant, which was included in the $850 million total estimated project capital cost, is expected to be installed in 2015. The expanded mill facility is performing well, with first-quarter2013 average throughput rates of 14,600 metric tons per day.

We continue to engage in drilling activities, exploration analyses and metallurgical testing to evaluate the potential of the highly prospective Tenke minerals district. These analyses are being incorporated in future plans to evaluate opportunities for expansion. Future expansions are subject to a number of factors, including economic and market conditions, and the business and investment climate in the DRC.

Operating Data. Following is summary operating data for our Africa mining operations for the first quarters of2013 and 2012:

	Three Months Ended
	March 31,
	2013		2012
Copper (millions of recoverable pounds)
Production	120		80
Sales	118		69
Average realized price per pounda	$	3.40	$	3.74
Cobalt (millions of contained pounds)
Production	6		6
Sales	6		5
Average realized price per pound	$	7.28	$	8.46
Ore milled (metric tons per day)	14,600		12,200
Average ore grades (percent):
Copper	4.44		3.61
Cobalt	0.32		0.38
Copper recovery rate (percent)	93.7		91.2

a. Includes point-of-sale transportation costs as negotiated in customer contracts.

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Copper sales from Africa of 118 million pounds in first-quarter2013 were higher than first-quarter2012 copper sales of 69 million pounds, primarily reflecting higher mining and milling rates principally related to the ramp up of the expansion project and higher ore grades.

For the year 2013, we expect sales volumes from our Africa mining operations to approximate 435 million pounds of copper and 28 million pounds of cobalt, compared with 336 million pounds of copper and 25 million pounds of cobalt in 2012.

Unit Net Cash Costs. Unit net cash costs per pound of copper is a measure intended to provide investors with information about the cash-generating capacity of our mining operations expressed on a basis relating to the primary metal product for our respective operations. We use this measure for the same purpose and for monitoring operating performance by our mining operations. This information differs from measures of performance determined in accordance with U.S. GAAP and should not be considered in isolation or as a substitute for measures of performance determined in accordance with U.S. GAAP. This measure is presented by other metals mining companies, although our measure may not be comparable to similarly titled measures reported by other companies.

Gross Profit per Pound of Copper and Cobalt

The following tables summarize the unit net cash costs and gross profit per pound of copper and cobalt at our Africa mining operations for the first quarters of2013 and 2012. Refer to “Production Revenues and Production Costs” for an explanation of “by-product” and “co-product” methods and a reconciliation of unit net cash costs per pound to production and delivery costs applicable to sales reported in our consolidated financial statements.

	Three Months Ended							Three Months Ended
	March 31, 2013							March 31, 2012
	By-Product Method			Co-Product Method				By-Product Method			Co-Product Method
				Copper		Cobalt					Copper		Cobalt
Revenues, excluding adjustmentsa	$	3.40		$	3.40	$	7.28	$	3.74		$	3.74	$	8.46
Site production and delivery, before net noncash and other costs shown below	1.39			1.33		4.18		1.50			1.44		5.14
Cobalt creditsb	(0.23		)	—		—		(0.33		)	—		—
Royalty on metals	0.07			0.06		0.13		0.08			0.07		0.13
Unit net cash costs	1.23			1.39		4.31		1.25			1.51		5.27
Depreciation, depletion and amortization	0.49			0.46		0.69		0.46			0.42		0.66
Noncash and other costs, net	0.04			0.04		0.06		0.11			0.10		0.15
Total unit costs	1.76			1.89		5.06		1.82			2.03		6.08
Revenue adjustments, primarily for pricing on prior period open sales	0.01			0.01		0.38		0.12			0.12		0.46
Gross profit per pound	$	1.65		$	1.52	$	2.60	$	2.04		$	1.83	$	2.84
Copper sales (millions of recoverable pounds)	118			118				69			69
Cobalt sales (millions of contained pounds)						6							5

a. Includes point-of-sale transportation costs as negotiated in customer contracts. 

b. Net of cobalt downstream processing and freight costs.

Unit net cash costs (net of cobalt credits) for our Africa operations of $1.23 per pound of copper in first-quarter2013 were slightly lower than first-quarter2012 unit net cash costs of $1.25 per pound of copper, primarily reflecting the benefit of higher sales volumes, partly offset by lower cobalt credits.

Assuming achievement of current sales volume and cost estimates, and an average cobalt market price of $12 per pound for the remainder of2013, we estimate that average unit net cash costs (net of cobalt credits) would approximate $1.18 per pound of copper for the year 2013, compared with $1.23 per pound in 2012. Africa's projected unit net cash costs would change by $0.065 per pound for each $2 per pound change in the average price of cobalt during the remainder of2013.

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Molybdenum Mines

We have two wholly owned molybdenum mines in North America – the Henderson underground mine and the Climax open-pit mine, both in Colorado. The Henderson and Climax mines produce high-purity, chemical-grade molybdenum concentrates, which are typically further processed into value-added molybdenum chemical products. The majority of the molybdenum concentrates produced at the Henderson and Climax mines, as well as from certain of our North and South America copper mines, are processed at our own conversion facilities.

Operating Data. Following is summary operating data for the molybdenum mines for the first quarters of2013 and 2012:

	Three Months Ended
	March 31,
	2013a	2012a
Molybdenum mines operating data
Molybdenum production (millions of recoverable pounds)b	12	9
Ore milled (metric tons per day)	35,900	19,900
Average molybdenum ore grade (percent)	0.20	0.25

a. Reflects operating data for the Henderson and Climax mines for first-quarter2013, and operating data only for the Henderson mine for first-quarter2012.

b. Refer to "Consolidated Results" for our consolidated molybdenum sales, which includes sales of molybdenum produced at the molybdenum mines, as well as from certain of our North and South America copper mines.

The Climax molybdenum mine, which was commissioned in second-quarter 2012 includes a new 25,000 metric ton per day mill facility. Molybdenum production from the Climax mine totaled 5 million pounds in first-quarter2013 and is targeted to produce 20 million pounds for the year 2013 (with potential to produce up to approximately 30 million pounds per year depending on market conditions). We intend to operate the Climax and Henderson mines in a flexible manner to meet market requirements.

Refer to "Consolidated Results" for our consolidated molybdenum operating data, which includes sales of molybdenum produced at our molybdenum mines and at our North and South America copper mines, and refer to "Outlook" for projected consolidated molybdenum sales volumes.

Unit Net Cash Costs. Unit net cash costs per pound of molybdenum is a measure intended to provide investors with information about the cash-generating capacity of our mining operations expressed on a basis relating to the primary metal product for our respective operations. We use this measure for the same purpose and for monitoring operating performance by our mining operations. This information differs from measures of performance determined in accordance with U.S. GAAP and should not be considered in isolation or as a substitute for measures of performance determined in accordance with U.S. GAAP. This measure is presented by other metals mining companies, although our measure may not be comparable to similarly titled measures reported by other companies.

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Gross Profit per Pound of Molybdenum

The following table summarizes the average unit net cash costs and gross profit per pound of molybdenum at the molybdenum mines. Refer to “Product Revenues and Production Costs” for a reconciliation of unit net cash costs per pound to production and delivery costs applicable to sales reported in our consolidated financial statements.

	Three Months Ended
	March 31,
	2013a		2012a
Revenues, excluding adjustmentsb	$	12.55	$	15.03
Site production and delivery, before net noncash and other costs shown below	6.37		6.00
Treatment charges and other	0.95		0.88
Unit net cash costs	7.32		6.88
Depreciation, depletion and amortization	1.62		0.90
Noncash and other costs, net	0.15		0.05
Total unit costs	9.09		7.83
Gross profit	$	3.46	$	7.20
Molybdenum production (millions of recoverable pounds)b	12		9

a. Reflects the results of the Henderson and Climax mines for first-quarter2013, and the results of only the Henderson mine for first-quarter2012.

b. Revenues reflect sales of the molybdenum mines' production to our molybdenum sales company at market-based pricing. On a consolidated basis, realizations are based on actual contract terms of sales made to third parties. As a result, our consolidated average realized price per pound of molybdenum (refer to "Consolidated Results") will differ from the amounts reported in this table.

Average unit net cash costs for our molybdenum mines was $7.32 per pound of molybdenum in first-quarter2013, compared with $6.88 per pound in first-quarter2012, reflecting higher input costs at Henderson and the addition of production from Climax.

Assuming achievement of current sales volume and cost estimates, we estimate average unit net cash costs for our molybdenum mines to average approximately $7.25 per pound of molybdenum for the year 2013 (reflecting approximately $7.50 per pound for Henderson and $6.90 per pound for Climax).

Atlantic Copper Smelting & Refining

Atlantic Copper, our wholly owned subsidiary located in Spain, smelts and refines copper concentrates and markets refined copper and precious metals in slimes. During first-quarter2013, Atlantic Copper purchased 34 percent of its concentrate requirements from our South America mining operations, 21 percent from our North America copper mines and 14 percent from our Indonesia mining operations. Through this form of downstream integration, we are assured placement of a significant portion of our concentrate production.

Smelting and refining charges consist of a base rate and, in certain contracts, price participation based on copper prices. Treatment charges for smelting and refining copper concentrates represent a cost to our mining operations, and income to Atlantic Copper and PT Smelting. Thus, higher treatment and refining charges benefit our smelter operations and adversely affect our mining operations.

We defer recognizing profits on sales from our mining operations to Atlantic Copper and on 25 percent of Indonesia mining sales to PT Smelting until final sales to third parties occur. Changes in these deferrals attributable to variability in intercompany volumes resulted in net additions (reductions) to net income attributable to common stockholders totaling $25 million ($0.03 per share) in first-quarter2013 and $(32) million ($(0.03) per share) in first-quarter2012. Our net deferred profits on our inventories at Atlantic Copper and PT Smelting to be recognized in future periods’ net income attributable to common stockholders totaled $85 million at March 31, 2013. Quarterly variations in ore grades, the timing of intercompany shipments and changes in product prices will result in variability in our net deferred profits and quarterly earnings.

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CAPITAL RESOURCES AND LIQUIDITY

Our operating cash flows vary with prices realized from copper, gold and molybdenum sales, our sales volumes, production costs, income taxes, other working capital changes and other factors. In recent years, strong operating performance and favorable copper and gold prices have enabled us to enhance our financial and liquidity position, reduce debt and pay cash dividends to shareholders, while pursuing growth opportunities. We view the long-term outlook for our business positively, supported by limitations on supplies of copper and by the requirements for copper in the world’s economy, and will continue to adjust our operating strategy as market conditions change.

Cash and Debt

Following is a summary of the U.S. and international components of consolidated cash and cash equivalents, including cash available to the parent company, net of noncontrolling interests' share, taxes and other costs at March 31, 2013, and December 31, 2012 (in billions):

	March 31, 2013				December 31, 2012
Cash at domestic companies	$	7.0		a	$	1.3
Cash at international operations	2.6				2.4
Total consolidated cash and cash equivalents	9.6				3.7
Less: Noncontrolling interests’ share	(0.9		)		(0.8		)
Cash, net of noncontrolling interests’ share	8.7				2.9
Less: Withholding taxes and other	(0.2		)		(0.2		)
Net cash available	$	8.5			$	2.7

a. Includes net proceeds from the March 2013 sale of $6.5 billion of senior notes that will be used to fund a portion of the pending acquisitions of PXP and MMR.

Cash held at our international operations is generally used to support our foreign operations' capital expenditures, operating expenses, working capital and other tax payments, or other cash needs. At March 31, 2013, management believed that sufficient liquidity was available in the U.S. With the exception of TFM, we have not elected to permanently reinvest earnings from our foreign subsidiaries, and we have recorded deferred tax liabilities for foreign earnings that are available to be repatriated to the U.S. From time to time, our foreign subsidiaries distribute earnings to the U.S. through dividends, which are subject to applicable withholding taxes and noncontrolling interests' share.

Total debt was $10.1 billion at March 31, 2013, and $3.5 billion at December 31, 2012. During first-quarter 2013, we sold $6.5 billion of senior notes (refer to "Financing Activities" below for further discussion) and also entered into an agreement for a Term Loan for up to $4.0 billion to be used for the pending acquisitions of PXP and MMR. No amounts are currently available to us under the Term Loan, which will be funded at the closing of the pending acquisitions of PXP and MMR. The weighted average interest rate of these financings approximates 3.1 percent. Refer to Note 6 for further discussion.

At March 31, 2013, we had no borrowings and $43 million of letters of credit issued under our revolving credit facility, resulting in availability of $1.5 billion. In February 2013, we entered into a new $3.0 billion senior unsecured revolving credit facility, which will refinance and replace our existing revolving credit facility upon completion of the pending acquisition of PXP. Refer to Note 6 for further discussion.

Operating Activities

During first-quarter2013, we generated operating cash flows totaling $831 million, net of $430 million for working capital uses and changes in other tax payments. Operating cash flows for first-quarter2012 totaled $801 million, net of $720 million for working capital uses and changes in other tax payments.

Excluding impacts for pending acquisitions, and based on current mine plans and subject to future copper, gold and molybdenum prices, we expect estimated operating cash flows for the year 2013 plus available cash to be sufficient to fund our budgeted capital expenditures, dividends, noncontrolling interest distributions and other cash requirements for the year. Refer to “Outlook” for further discussion of projected operating cash flows for the year 2013.

42

Investing Activities

Capital Expenditures. Capital expenditures, including capitalized interest, totaled $805 million for first-quarter2013, compared with $707 million for first-quarter2012. Higher capital expenditures in first-quarter 2013 primarily reflected increased capital spending associated with the expansion projects at Cerro Verde and Morenci, partly offset by decreased spending at Tenke related to the second phase expansion. Refer to “Operations” for further discussion.

Excluding amounts for pending acquisitions, capital expenditures for the year 2013 are expected to approximate $4.4 billion, including $2.6 billion for major projects. Major projects for 2013 primarily include the expansion projects at Cerro Verde and Morenci and underground development activities at Grasberg. We are also considering additional investments at several of our sites. Capital spending plans will continue to be reviewed and adjusted in response to changes in market conditions and other factors. Refer to "Operations" for further discussion.

Acquisition. Other investing activities in first-quarter 2013 included $321 million (which was net of $34 million of cash acquired) to fund the acquisition of a large-scale cobalt chemical refinery in Kokkola, Finland, and the related sales and marketing business. The acquisition was funded 70 percent by us and 30 percent by Lundin, which amounts will be repaid prior to any shareholder distributions. Refer to Note 2 for further discussion.

Financing Activities

Debt Transactions. In March 2013, we sold $6.5 billion of senior notes in four tranches with a weighted average interest rate of 3.9 percent. Net proceeds from this offering will be used to fund the pending acquisitions of PXP and MMR. If the acquisition of PXP is not completed, we will be required to redeem all of the outstanding 7-year, 10-year and 30-year notes (which total $5 billion) at 101 percent plus accrued and unpaid interest. Refer to Note 6 for further discussion.

In February 2012, we sold $3.0 billion of senior notes in three tranches with a weighted-average interest rate of approximately 3.0 percent. Net proceeds from this offering, plus cash on hand, were used to redeem the remaining $3.0 billion of our 8.375% Senior Notes. Refer to Note 6 for further discussion.

Dividends and Other Equity Transactions. We paid dividends on our common stock totaling $297 million for first-quarter2013 and $238 million for first-quarter2012. The current annual dividend rate for our common stock is $1.25 per share ($0.3125 per share quarterly). Refer to Note 6 for further discussion. The declaration of dividends is at the discretion of the Board and will depend upon our financial results, cash requirements, future prospects, the impact of pending acquisitions and other factors deemed relevant by the Board. The Board will continue to review our financial policy on an ongoing basis.

Cash dividends and other distributions paid to noncontrolling interests totaled $35 million in first-quarter2013 and $1 million in first-quarter2012. Higher noncontrolling interest payments in first-quarter2013, compared with first-quarter2012, primarily reflected higher dividends to the noncontrolling interest holders of our South America mining operations.

CONTRACTUAL OBLIGATIONS

Except for the issuance of our $6.5 billion senior notes in March 2013, there have been no material changes in our contractual obligations since the end of 2012. Refer to Item 7 in our annual report on Form 10-K for the year ended December 31, 2012, for further information regarding our contractual obligations.

CONTINGENCIES

Environmental and Reclamation Matters

Our mining, exploration, production and historical operating activities are subject to stringent laws and regulations governing the protection of the environment. We perform a comprehensive annual review of our environmental and reclamation obligations and also review changes in facts and circumstances associated with these obligations at least quarterly. There have been no material changes to our environmental and reclamation obligations since the end of 2012; however, updated cost assumptions, including increases and decreases to cost estimates, changes in the anticipated scope and timing of remediation activities and settlement of environmental matters may result in revisions to certain of our environmental obligations. We recorded adjustments to environmental obligations totaling a net credit of $1 million in first-quarter2013, and there were no adjustments to environmental obligations in first-quarter2012.

43

Refer to Note 13 in our annual report on Form 10-K for the year ended December 31, 2012, for further information regarding our environmental and reclamation obligations.

Litigation and Other Contingencies

Other than as disclosed in Note 9 and contained in "Legal Proceedings" in Part II, Item 1. of this quarterly report, there have been no material changes to our contingencies associated with legal proceedings and other matters since the end of 2012. Refer to Note 13 and "Legal Proceedings" contained in Part I, Item 3. of our annual report on Form 10-K for the year ended December 31, 2012, for further information regarding legal proceedings and other matters.

NEW ACCOUNTING STANDARDS

We do not expect the impact of recently issued accounting standards to have a significant impact on our future financial statements and disclosures.

PRODUCT REVENUES AND PRODUCTION COSTS

Unit net cash costs per pound of copper and molybdenum are measures intended to provide investors with information about the cash-generating capacity of our mining operations expressed on a basis relating to the primary metal product for the respective operations. We use this measure for the same purpose and for monitoring operating performance by our mining operations. This information differs from measures of performance determined in accordance with U.S. GAAP and should not be considered in isolation or as a substitute for measures of performance determined in accordance with U.S. GAAP. This measure is presented by other metals mining

44

companies, although our measures may not be comparable to similarly titled measures reported by other companies.

We present gross profit per pound of copper in the following tables using both a “by-product” method and a “co-product” method. We use the by-product method in our presentation of gross profit per pound of copper because (i) the majority of our revenues are copper revenues, (ii) we mine ore, which contains copper, gold, molybdenum and other metals, (iii) it is not possible to specifically assign all of our costs to revenues from the copper, gold, molybdenum and other metals we produce, (iv) it is the method used to compare mining operations in certain industry publications and (v) it is the method used by our management and the Board to monitor operations. In the co-product method presentation below, shared costs are allocated to the different products based on their relative revenue values, which will vary to the extent our metals sales volumes and realized prices change.

We show revenue adjustments for prior period open sales as separate line items. Because these adjustments do not result from current period sales, we have reflected these separately from revenues on current period sales. Noncash and other costs consist of items such as stock-based compensation costs, start-up costs, write-offs of equipment and/or unusual charges. They are removed from site production and delivery costs in the calculation of unit net cash costs. As discussed above, gold, molybdenum and other metal revenues at copper mines are reflected as credits against site production and delivery costs in the by-product method. Following are presentations under both the by-product and co-product methods together with reconciliations to amounts reported in our consolidated financial statements.

45

North America Copper Mines Product Revenues and Production Costs

Three Months Ended March 31, 2013
(In millions)	By-Product			Co-Product Method
	Method			Copper			Molybdenuma		Otherb		Total
Revenues, excluding adjustments	$	1,270		$	1,270		$	93	$	20	$	1,383
Site production and delivery, before net noncash and other costs shown below	703			685			26		12		723
By-product creditsa	(93		)	—			—		—		—
Treatment charges	45			44			—		1		45
Net cash costs	655			729			26		13		768
Depreciation, depletion and amortization	98			95			1		2		98
Noncash and other costs, net	33			32			1		—		33
Total costs	786			856			28		15		899
Revenue adjustments, primarily for pricing on prior period open sales	(2		)	(2		)	—		—		(2		)
Gross profit	$	482		$	412		$	65	$	5	$	482
Reconciliation to Amounts Reported
	Revenues			Production and Delivery			Depreciation, Depletion and Amortization
Totals presented above	$	1,383		$	723		$	98
Treatment charges	—			45			—
Net noncash and other costs	—			33			—
Revenue adjustments, primarily for pricing on prior period open sales	(2		)	—			—
Eliminations and other	8			10			4
North America copper mines	1,389			811			102
South America mining	1,014			475			71
Indonesia mining	931			563			55
Africa mining	438			185			58
Molybdenum mines	143			80			20
Rod & Refining	1,337			1,328			3
Atlantic Copper Smelting & Refining	639			628			10
Corporate, other & eliminations	(1,308		)	(1,351		)	10
As reported in FCX’s consolidated financial statements	$	4,583		$	2,719		$	329

a. Molybdenum credits and revenues reflect volumes produced at market-based pricing.

b. Includes gold and silver product revenues and production costs.

46

North America Copper Mines Product Revenues and Production Costs (continued)

Three Months Ended March 31, 2012
(In millions)	By-Product			Co-Product Method
	Method			Copper			Molybdenuma		Otherb		Total
Revenues, excluding adjustments	$	1,287		$	1,287		$	136	$	21	$	1,444
Site production and delivery, before net noncash and other costs shown below	607			584			29		12		625
By-product creditsa	(139		)	—			—		—		—
Treatment charges	41			39			—		2		41
Net cash costs	509			623			29		14		666
Depreciation, depletion and amortization	89			86			2		1		89
Noncash and other costs, net	21			21			—		—		21
Total costs	619			730			31		15		776
Revenue adjustments, primarily for pricing on prior period open sales	9			9			—		—		9
Gross profit	$	677		$	566		$	105	$	6	$	677
Reconciliation to Amounts Reported
	Revenues			Production and Delivery			Depreciation, Depletion and Amortization
Totals presented above	$	1,444		$	625		$	89
Treatment charges	—			41			—
Net noncash and other costs	—			21			—
Revenue adjustments, primarily for pricing on prior period open sales	9			—			—
Eliminations and other	3			20			4
North America copper mines	1,456			707			93
South America mining	1,254			463			62
Indonesia mining	950			515			46
Africa mining	305			132			32
Molybdenum mines	126			70			11
Rod & Refining	1,304			1,297			2
Atlantic Copper Smelting & Refining	712			695			10
Corporate, other & eliminations	(1,502		)	(1,451		)	11
As reported in FCX’s consolidated financial statements	$	4,605		$	2,428		$	267

a. Molybdenum credits and revenues reflect volumes produced at market-based pricing.

b. Includes gold and silver product revenues and production costs.

47

South America Mining Product Revenues and Production Costs

Three Months Ended March 31, 2013
(In millions)	By-Product			Co-Product Method
	Method			Copper			Other			Total
Revenues, excluding adjustments	$	993		$	993		$	87	a	$	1,080
Site production and delivery, before net noncash and other costs shown below	462			425			41			466
By-product credits	(83		)	—			—			—
Treatment charges	50			50			—			50
Net cash costs	429			475			41			516
Depreciation, depletion and amortization	71			67			4			71
Noncash and other costs, net	16			8			8			16
Total costs	516			550			53			603
Revenue adjustments, primarily for pricing on prior period open sales	(15		)	(15		)	—			(15		)
Gross profit	$	462		$	428		$	34		$	462
Reconciliation to Amounts Reported
	Revenues			Production and Delivery			Depreciation, Depletion and Amortization
Totals presented above	$	1,080		$	466		$	71
Treatment charges	(50		)	—			—
Net noncash and other costs	—			16			—
Revenue adjustments, primarily for pricing on prior period open sales	(15		)	—			—
Eliminations and other	(1		)	(7		)	—
South America mining	1,014			475			71
North America copper mines	1,389			811			102
Indonesia mining	931			563			55
Africa mining	438			185			58
Molybdenum mines	143			80			20
Rod & Refining	1,337			1,328			3
Atlantic Copper Smelting & Refining	639			628			10
Corporate, other & eliminations	(1,308		)	(1,351		)	10
As reported in FCX’s consolidated financial statements	$	4,583		$	2,719		$	329

a. Includes gold sales of 21 thousand ounces ($1,617 per ounce average realized price), silver sales of 988 thousand ounces ($30.45 per ounce average realized price); also includes sales of Cerro Verde production to our molybdenum sales of 2 million pounds ($9.74 per pound average realized price), which reflects molybdenum produced by Cerro Verde at market-based pricing.

48

South America Mining Product Revenues and Production Costs (continued)

Three Months Ended March 31, 2012
(In millions)	By-Product			Co-Product Method
	Method			Copper			Other			Total
Revenues, excluding adjustments	$	1,098		$	1,098		$	90	a	$	1,188
Site production and delivery, before net noncash and other costs shown below	439			405			40			445
By-product credits	(84		)	—			—			—
Treatment charges	47			47			—			47
Net cash costs	402			452			40			492
Depreciation, depletion and amortization	62			59			3			62
Noncash and other costs, net	21			13			8			21
Total costs	485			524			51			575
Revenue adjustments, primarily for pricing on prior period open sales	110			109			1			110
Gross profit	$	723		$	683		$	40		$	723
Reconciliation to Amounts Reported
	Revenues			Production and Delivery			Depreciation, Depletion and Amortization
Totals presented above	$	1,188		$	445		$	62
Treatment charges	(47		)	—			—
Net noncash and other costs	—			21			—
Revenue adjustments, primarily for pricing on prior period open sales	110			—			—
Eliminations and other	3			(3		)	—
South America mining	1,254			463			62
North America copper mines	1,456			707			93
Indonesia mining	950			515			46
Africa mining	305			132			32
Molybdenum mines	126			70			11
Rod & Refining	1,304			1,297			2
Atlantic Copper Smelting & Refining	712			695			10
Corporate, other & eliminations	(1,502		)	(1,451		)	11
As reported in FCX’s consolidated financial statements	$	4,605		$	2,428		$	267

a. Includes gold sales of 19 thousand ounces ($1,680 per ounce average realized price), silver sales of 698 thousand ounces ($30.32 per ounce average realized price); also includes sales of Cerro Verde production to our molybdenum sales company of 2 million pounds ($12.35 per pound average realized price), which reflects molybdenum produced by Cerro Verde at market-based pricing.

49

Indonesia Mining Product Revenues and Production Costs

Three Months Ended March 31, 2013
(In millions)	By-Product			Co-Product Method
	Method			Copper			Gold			Silver			Total
Revenues, excluding adjustments	$	680		$	680		$	307		$	16	a	$	1,003
Site production and delivery, before net noncash and other costs shown below	516			350			158			8			516
Gold and silver credits	(322		)	—			—			—			—
Treatment charges	45			30			14			1			45
Royalty on metals	26			18			8			—			26
Net cash costs	265			398			180			9			587
Depreciation and amortization	55			37			17			1			55
Noncash and other costs, net	52			35			16			1			52
Total costs	372			470			213			11			694
Revenue adjustments, primarily for pricing on prior period open sales	—			—			(1		)	—			(1		)
PT Smelting intercompany profit	5			3			2			—			5
Gross profit	$	313		$	213		$	95		$	5		$	313
Reconciliation to Amounts Reported
	Revenues			Production and Delivery			Depreciation, Depletion and Amortization
Totals presented above	$	1,003		$	516		$	55
Treatment charges	(45		)	—			—
Royalty on metals	(26		)	—			—
Net noncash and other costs	—			52			—
Revenue adjustments, primarily for pricing on prior period open sales	(1		)	—			—
PT Smelting intercompany profit	—			(5		)	—
Indonesia mining	931			563			55
North America copper mines	1,389			811			102
South America mining	1,014			475			71
Africa mining	438			185			58
Molybdenum mines	143			80			20
Rod & Refining	1,337			1,328			3
Atlantic Copper Smelting & Refining	639			628			10
Corporate, other & eliminations	(1,308		)	(1,351		)	10
As reported in FCX’s consolidated financial statements	$	4,583		$	2,719		$	329

a. Includes silver sales of 563 thousand ounces ($28.49 per ounce average realized price).

50

Indonesia Mining Product Revenues and Production Costs (continued)

Three Months Ended March 31, 2012
(In millions)	By-Product			Co-Product Method
	Method			Copper			Gold			Silver			Total
Revenues, excluding adjustments	$	511		$	511		$	451		$	15	a	$	977
Site production and delivery, before net noncash and other costs shown below	470			245			217			8			470
Gold and silver credits	(469		)	—			—			—			—
Treatment charges	25			13			12			—			25
Royalty on metals	18			10			8			—			18
Net cash (credits) costs	44			268			237			8			513
Depreciation and amortization	46			24			21			1			46
Noncash and other costs, net	25			13			12			—			25
Total (credits) costs	115			305			270			9			584
Revenue adjustments, primarily for pricing on prior period open sales	13			13			3			—			16
PT Smelting intercompany loss	(20		)	(11		)	(9		)	—			(20		)
Gross profit	$	389		$	208		$	175		$	6		$	389
Reconciliation to Amounts Reported
	Revenues			Production and Delivery			Depreciation, Depletion and Amortization
Totals presented above	$	977		$	470		$	46
Treatment charges	(25		)	—			—
Royalty on metals	(18		)	—			—
Net noncash and other costs	—			25			—
Revenue adjustments, primarily for pricing on prior period open sales	16			—			—
PT Smelting intercompany loss	—			20			—
Indonesia mining	950			515			46
North America copper mines	1,456			707			93
South America mining	1,254			463			62
Africa mining	305			132			32
Molybdenum mines	126			70			11
Rod & Refining	1,304			1,297			2
Atlantic Copper Smelting & Refining	712			695			10
Corporate, other & eliminations	(1,502		)	(1,451		)	11
As reported in FCX’s consolidated financial statements	$	4,605		$	2,428		$	267

a. Includes silver sales of 449 thousand ounces ($33.08 per ounce average realized price).

51

Africa Mining Product Revenues and Production Costs

Three Months Ended March 31, 2013
(In millions)	By-Product			Co-Product Method
	Method			Copper			Cobalt		Total
Revenues, excluding adjustmentsa	$	401		$	401		$	41	$	442
Site production and delivery, before net noncash and other costs shown below	164			157			23		180
Cobalt creditsb	(27		)	—			—		—
Royalty on metals	8			7			1		8
Net cash costs	145			164			24		188
Depreciation, depletion and amortization	58			54			4		58
Noncash and other costs, net	5			5			—		5
Total costs	208			223			28		251
Revenue adjustments, primarily for pricing on prior period open sales	2			2			2		4
Gross profit	$	195		$	180		$	15	$	195
Reconciliation to Amounts Reported
	Revenues			Production and Delivery			Depreciation, Depletion and Amortization
Totals presented above	$	442		$	180		$	58
Royalty on metals	(8		)	—			—
Net noncash and other costs	—			5			—
Revenue adjustments, primarily for pricing on prior period open sales	4			—			—
Africa mining	438			185			58
North America copper mines	1,389			811			102
South America mining	1,014			475			71
Indonesia mining	931			563			55
Molybdenum mines	143			80			20
Rod & Refining	1,337			1,328			3
Atlantic Copper Smelting & Refining	639			628			10
Corporate, other & eliminations	(1,308		)	(1,351		)	10
As reported in FCX’s consolidated financial statements	$	4,583		$	2,719		$	329

a. Includes point-of-sale transportation costs as negotiated in customer contracts. 

b. Net of cobalt downstream processing and freight costs.

52

Africa Mining Product Revenues and Production Costs (continued)

Three Months Ended March 31, 2012
(In millions)	By-Product			Co-Product Method
	Method			Copper			Cobalt		Total
Revenues, excluding adjustmentsa	$	257		$	257		$	43	$	300
Site production and delivery, before net noncash and other costs shown below	103			99			26		125
Cobalt creditsb	(23		)	—			—		—
Royalty on metals	5			5			—		5
Net cash costs	85			104			26		130
Depreciation, depletion and amortization	32			29			3		32
Noncash and other costs, net	7			6			1		7
Total costs	124			139			30		169
Revenue adjustments, primarily for pricing on prior period open sales	8			8			2		10
Gross profit	$	141		$	126		$	15	$	141
Reconciliation to Amounts Reported
	Revenues			Production and Delivery			Depreciation, Depletion and Amortization
Totals presented above	$	300		$	125		$	32
Royalty on metals	(5		)	—			—
Net noncash and other costs	—			7			—
Revenue adjustments, primarily for pricing on prior period open sales	10			—			—
Africa mining	305			132			32
North America copper mines	1,456			707			93
South America mining	1,254			463			62
Indonesia mining	950			515			46
Molybdenum mines	126			70			11
Rod & Refining	1,304			1,297			2
Atlantic Copper Smelting & Refining	712			695			10
Corporate, other & eliminations	(1,502		)	(1,451		)	11
As reported in FCX’s consolidated financial statements	$	4,605		$	2,428		$	267

a. Includes point-of-sale transportation costs as negotiated in customer contracts. 

b. Net of cobalt downstream processing and freight costs.

53

Molybdenum Mines Product Revenues and Production Costs

	Three Months Ended March 31,
(In millions)	2013a			2012a
Revenues, excluding adjustments	$	155		$	134
Site production and delivery, before net noncash and other costs shown below	78			53
Treatment charges and other	12			8
Net cash costs	90			61
Depreciation, depletion and amortization	20			8
Noncash and other costs, net	2			1
Total costs	112			70
Gross profit	$	43		$	64
Reconciliation to Amounts Reported	Revenues			Production and Delivery			Depreciation, Depletion and Amortization
Three Months Ended March 31, 2013
Totals presented above	$	155		$	78		$	20
Treatment charges and other	(12		)	—			—
Net noncash and other costs	—			2			—
Molybdenum mines	143			80			20
North America copper mines	1,389			811			102
South America mining	1,014			475			71
Indonesia mining	931			563			55
Africa mining	438			185			58
Rod & Refining	1,337			1,328			3
Atlantic Copper Smelting & Refining	639			628			10
Corporate, other & eliminationsb	(1,308		)	(1,351		)	10
As reported in FCX’s consolidated financial statements	$	4,583		$	2,719		$	329
Three Months Ended March 31, 2012
Totals presented above	$	134		$	53		$	8
Treatment charges and other	(8		)	—			—
Net noncash and other costs	—			1			—
Henderson mine	126			54			8
Climax mine	—			16			3
Molybdenum mines	126			70			11
North America copper mines	1,456			707			93
South America mining	1,254			463			62
Indonesia mining	950			515			46
Africa mining	305			132			32
Rod & Refining	1,304			1,297			2
Atlantic Copper Smelting & Refining	712			695			10
Corporate, other & eliminationsb	(1,502		)	(1,451		)	11
As reported in FCX’s consolidated financial statements	$	4,605		$	2,428		$	267

a. First-quarter2013 includes the results of the Henderson and Climax mines; first-quarter2012 reflects the results of only the Henderson mine.

b. Includes amounts associated with our molybdenum sales company, which includes sales of molybdenum produced by the molybdenum mines and by certain of our North and South America copper mines.

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CAUTIONARY STATEMENT

Our discussion and analysis contains forward-looking statements in which we discuss factors we believe may affect our future performance.  Forward-looking statements are all statements other than statements of historical facts, such as those statements regarding projected ore grades and milling rates, projected production and sales volumes, projected unit net cash costs, projected operating cash flows, projected capital expenditures, exploration efforts and results, mine production and development plans, the impact of deferred intercompany profits on earnings, liquidity, other financial commitments and tax rates, the impact of copper, gold, molybdenum and cobalt price changes, future dividend payments and potential share purchases.  The words “anticipates,” “may,” “can,” “plans,” “believes,” “estimates,” “expects,” “projects,” “intends,” “likely,” “will,” “should,” “to be,” and any similar expressions are intended to identify those assertions as forward-looking statements.  The declaration of dividends is at the discretion of our Board and will depend on our financial results, cash requirements, future prospects, the impact of pending acquisitions and other factors deemed relevant by the Board.

We caution readers that forward-looking statements are not guarantees of future performance and our actual results may differ materially from those anticipated, projected or assumed in the forward-looking statements. Important factors that can cause our actual results to differ materially from those anticipated in the forward-looking statements include commodity prices, mine sequencing, production rates, industry risks, regulatory changes, political risks,the outcome of ongoing discussions with the Indonesian government, the potential effects of violence in Indonesia, the resolution of administrative disputes in the DRC, weather- and climate-related risks, labor relations, environmental risks, litigation results, currency translation risks, risks associated with the completion of pending acquisitions and other factors described in more detail under the heading “Risk Factors” in our annual report on Form 10-K for the year ended December 31, 2012, filed with the SEC as updated by our subsequent filings with the SEC.

Investors are cautioned that many of the assumptions on which our forward-looking statements are based are likely to change after our forward-looking statements are made, including for example commodity prices, which we cannot control, and production volumes and costs, some aspects of which we may or may not be able to control. Further, we may make changes to our business plans that could or will affect our results. We caution investors that we do not intend to update our forward-looking statements more frequently than quarterly notwithstanding any changes in our assumptions, changes in our business plans, our actual experience, or other changes, and we undertake no obligation to update any forward-looking statements.

55

Item 3. Quantitative and Qualitative Disclosures About Market Risk.

There have been no material changes in our market risks during the three-month period ended March 31, 2013. For additional information on market risks, refer to “Disclosures About Market Risks” included in Part II, Item 7A. of our annual report on Form 10-K for the year ended December 31, 2012. For projected sensitivities of our operating cash flow to changes in commodity prices, refer to “Outlook” in Part I, Item 2. of this quarterly report on Form 10-Q for the period ended March 31, 2013; for projected sensitivities of our provisionally priced copper sales to changes in commodity prices refer to “Consolidated Results – Revenues” in Part I, Item 2. of this quarterly report on Form 10-Q for the period ended March 31, 2013.

Item 4. Controls and Procedures.

(a) Evaluation of disclosure controls and procedures. Our chief executive officer and chief financial officer, with the participation of management, have evaluated the effectiveness of our “disclosure controls and procedures” (as defined in Rules 13a-15(e) and 15(d)-15(e) under the Securities Exchange Act of 1934) as of the end of the period covered by this quarterly report on Form 10-Q. Based on their evaluation, they have concluded that our disclosure controls and procedures are effective as of March 31, 2013.

(b) Changes in internal control over financial reporting. During second-quarter 2011, we began a phased implementation of a new enterprise resource planning (ERP) information technology system to upgrade our information technology infrastructure and enhance operating efficiency and effectiveness. Implementation has been completed at our North America, South America, Africa and Indonesia mining operations, and we expect the initial implementation of the ERP system to be completed at all of our operations in 2013. During each phase of the implementation, an appropriate level of training of employees, testing of the system and monitoring of the financial results recorded in the system is conducted. Management has updated our system of internal control over financial reporting for the impacted operating business units.

With the exception of the ERP implementation described above, there has been no change in our internal control over financial reporting that occurred during the quarter ended March 31, 2013, that materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

Part II. OTHER INFORMATION

Item 1. Legal Proceedings.

We are involved in numerous legal proceedings that arise in the ordinary course of our business or are associated with environmental issues arising from legacy operations conducted over the years by Freeport-McMoRan Corporation (FMC - formerly Phelps Dodge Corporation) and its affiliates. We are also involved from time to time in other reviews, investigations and proceedings by government agencies, some of which may result in adverse judgments, settlements, fines, penalties, injunctions or other relief.

Management does not believe, based on currently available information, that the outcome of any proceeding reported in Note 13 and incorporated by reference into Part I, Item 3. “Legal Proceedings” of our annual report on Form 10-K for the year ended December 31, 2012 will have a material adverse effect on our financial condition; although individual outcomes could be material to our operating results for a particular period, depending on the nature and magnitude of the outcome and the operating results for the period. Refer to Note 9 for discussion of updates to previously reported legal proceedings.

56

Item 1A. Risk Factors.

There have been no material changes to our risk factors during the three-month period ended March 31, 2013. For additional information on risk factors, refer to Part I, Item 1A. "Risk Factors" of our annual report on Form 10-K for the year ended December 31, 2012.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.

(c) The following table sets forth information with respect to shares of Freeport-McMoRan Copper & Gold Inc. (FCX) common stock purchased by us during the three months ended March 31, 2013:

Period	(a) Total Number of Shares Purchased		(b) Average Price Paid Per Share		(c) Total Number of Shares Purchased as Part of Publicly Announced Plans or Programsb	(d) Maximum Number of Shares That May Yet Be Purchased Under the Plans or Programsb
January 1-31, 2013	—		$	—	—	23,685,500
February 1-28, 2013	15,000	a	$	35.16	—	23,685,500
March 1-31, 2013	—		$	—	—	23,685,500
Total	15,000		$	35.16	—	23,685,500

a. Consists of shares acquired in connection with stock option exercises.

b. On July 21, 2008, our Board of Directors approved an increase in our open-market share purchase program for up to 30 million shares. There have been no purchases under this program since 2008. This program does not have an expiration date.

Item 4. Mine Safety Disclosure.

The safety and health of all employees is our highest priority. Management believes that safety and health considerations are integral to, and compatible with, all other functions in the organization and that proper safety and health management will enhance production and reduce costs. Our approach towards the safety and health of our workforce is to continuously improve performance through implementing robust management systems and providing adequate training, safety incentive and occupational health programs. The information concerning mine safety violations or other regulatory matters required by Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act and Item 104 of Regulation S-K is included in Exhibit 95.1 to this quarterly report on Form 10-Q.

Item 6. Exhibits.

The exhibits to this report are listed in the Exhibit Index beginning on Page E-1 hereof.

57

FREEPORT-McMoRan COPPER & GOLD INC.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

FREEPORT-McMoRan COPPER & GOLD INC.
By:	/s/ C. Donald Whitmire, Jr.
	C. Donald Whitmire, Jr.
	Vice President and
	Controller - Financial Reporting
	(authorized signatory
	and Principal Accounting Officer)

Date:  May 6, 2013

58

FREEPORT-McMoRan COPPER & GOLD INC.
EXHIBIT INDEX
		Filed
Exhibit		with this	Incorporated by Reference
Number	Exhibit Title	Form 10-Q	Form	File No.	Date Filed
3.1	Composite Certificate of Incorporation of FCX.		10-Q	001-11307-01	8/6/2010
3.2	Amended and Restated By-Laws of FCX, as amended through April 17, 2013		8-K	001-11307-01	4/17/2013
4.1	Indenture dated as of March 19, 2007, from FCX to The Bank of New York, as Trustee, with respect to the Senior Floating Rate Notes due 2015.		8-K	001-11307-01	3/19/2007
4.2	Indenture dated as of February 13, 2012 between Freeport-McMoRan Copper & Gold Inc. and U.S. Bank National Association, as trustee.		8-K	001-11307-01	2/13/2012
4.3	First Supplemental Indenture dated as of February 13, 2012 between Freeport-McMoRan Copper & Gold Inc. and U.S. Bank National Association, as trustee.		8-K	001-11307-01	2/13/2012
4.4	Second Supplemental Indenture dated as of February 13, 2012 between Freeport-McMoRan Copper & Gold Inc. and U.S. Bank National Association, as trustee.		8-K	001-11307-01	2/13/2012
4.5	Third Supplemental Indenture dated as of February 13, 2012 between Freeport-McMoRan Copper & Gold Inc. and U.S. Bank National Association, as trustee.		8-K	001-11307-01	2/13/2012
4.6	Indenture, dated as of March 7, 2013, between Freeport McMoRan Copper & Gold Inc. and U.S. Bank National Association, as trustee.		8-K	001-11307-01	3/7/2013
4.7	Registration Rights Agreement dated as of March 7, 2013, among Freeport McMoRan Copper & Gold Inc. and J.P. Morgan Securities LLC and Merrill Lynch, Pierce, Fenner & Smith Incorporated, as representatives of the Initial Purchasers, relating to the 2.375% Senior Notes due 2018.		8-K	001-11307-01	3/7/2013
4.8	Registration Rights Agreement dated as of March 7, 2013, among Freeport McMoRan Copper & Gold Inc. and J.P. Morgan Securities LLC and Merrill Lynch, Pierce, Fenner & Smith Incorporated, as representatives of the Initial Purchasers, relating to the 3.100% Senior Notes due 2020.		8-K	001-11307-01	3/7/2013
4.9	Registration Rights Agreement dated as of March 7, 2013, among Freeport McMoRan Copper & Gold Inc. and J.P. Morgan Securities LLC and Merrill Lynch, Pierce, Fenner & Smith Incorporated, as representatives of the Initial Purchasers, relating to the 3.875% Senior Notes due 2023.		8-K	001-11307-01	3/7/2013
4.1	Registration Rights Agreement dated as of March 7, 2013, among Freeport McMoRan Copper & Gold Inc. and J.P. Morgan Securities LLC and Merrill Lynch, Pierce, Fenner & Smith Incorporated, as representatives of the Initial Purchasers, relating to the 5.450% Senior Notes due 2043.		8-K	001-11307-01	3/7/2013
10.1	Purchase Agreement dated as of February 28, 2013 among Freeport-McMoRan Copper & Gold Inc. and J.P. Morgan Securities LLC and Merrill Lynch, Pierce, Fenner & Smith Incorporated, as representatives of the several initial purchasers named in Schedule 1 thereto.		8-K	001-11307-01	3/5/2013
15.1	Letter from Ernst & Young LLP regarding unaudited interim financial statements.	X
31.1	Certification of Principal Executive Officer pursuant to Rule 13a-14(a)/15d – 14(a).	X
31.2	Certification of Principal Financial Officer pursuant to Rule 13a-14(a)/15d – 14(a).	X
32.1	Certification of Principal Executive Officer pursuant to 18 U.S.C. Section 1350.	X

E-1

FREEPORT-McMoRan COPPER & GOLD INC.
EXHIBIT INDEX
		Filed
Exhibit		with this	Incorporated by Reference
Number	Exhibit Title	Form 10-Q	Form	File No.	Date Filed
32.2	Certification of Principal Financial Officer pursuant to 18 U.S.C Section 1350.	X
95.1	Mine Safety and Health Administration Safety Data.	X
101.INS	XBRL Instance Document.	X
101.SCH	XBRL Taxonomy Extension Schema.	X
101.CAL	XBRL Taxonomy Extension Calculation Linkbase.	X
101.DEF	XBRL Taxonomy Extension Definition Linkbase.	X
101.LAB	XBRL Taxonomy Extension Label Linkbase.	X
101.PRE	XBRL Taxonomy Extension Presentation Linkbase.	X

E-2

EX-15.1

Exhibit 15.1

To the Board of Directors and Stockholders of Freeport-McMoRan Copper & Gold Inc.:

We are aware of the incorporation by reference in the Registration Statements of Freeport-McMoRan Copper & Gold Inc. on Form S-3 (File No. 333-179420), Forms S-4 (File Nos. 333-185747 and 333-185742) and Forms S-8 (File Nos. 33-63267, 33-63269, 33-63271, 333-85803, 333-105535, 333-115292, 333-136084, 333-141358 and 333-147413) of our report dated May 6, 2013 relating to the unaudited condensed consolidated interim financial statements of Freeport-McMoRan Copper & Gold Inc. that is included in its Form 10-Q for the quarter ended March 31, 2013.

/s/ ERNST & YOUNG LLP

Phoenix, Arizona

May 6, 2013

EX-31.1

Exhibit 31.1

Certification

I, Richard C. Adkerson, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Freeport-McMoRan Copper & Gold Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Dated: May 6, 2013

By:          /s/  Richard C. Adkerson

Richard C. Adkerson

President and Chief Executive Officer

EX-31.2

Exhibit 31.2

Certification

I, Kathleen L. Quirk, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Freeport-McMoRan Copper & Gold Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Dated: May 6, 2013

By:          /s/  Kathleen L. Quirk

Kathleen L. Quirk

Executive Vice President,

Chief Financial Officer and Treasurer

EX-32.1

Exhibit 32.1

Certification Pursuant to 18 U.S.C. Section 1350

(Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002)

In connection with the Quarterly Report on Form 10-Q of Freeport-McMoRan Copper & Gold Inc. (the “Company”) for the quarter ending March 31, 2013, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Richard C. Adkerson, as President and Chief Executive Officer of the Company, hereby certifies, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that, to the best of his knowledge:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: May 6, 2013

By:          /s/  Richard C. Adkerson

Richard C. Adkerson

President and Chief Executive Officer

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

This certification shall not be deemed filed by the Company for purposes of § 18 of the Securities Exchange Act of 1934, as amended.

EX-32.2

Exhibit 32.2

Certification Pursuant to 18 U.S.C. Section 1350

(Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002)

In connection with the Quarterly Report on Form 10-Q of Freeport-McMoRan Copper & Gold Inc.(the “Company”) for the quarter ending March 31, 2013, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Kathleen L. Quirk, as Executive Vice President, Chief Financial Officer and Treasurer of the Company, hereby certifies, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that, to the best of her knowledge:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: May 6, 2013

By:          /s/  Kathleen L. Quirk

Kathleen L. Quirk

Executive Vice President,

Chief Financial Officer and Treasurer

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

This certification shall not be deemed filed by the Company for purposes of § 18 of the Securities Exchange Act of 1934, as amended.

EX-95.1

Exhibit 95.1

Mine Safety and Health Administration (MSHA) Safety Data

FCX's U.S. mining operations are subject to regulations issued by MSHA under the U.S. Federal Mine Safety and Health Act of 1977 (the Mine Act). MSHA inspects our U.S. mines on a regular basis and issues various citations and orders when it believes a violation has occurred under the Mine Act. Whenever MSHA issues a citation or order, it also generally proposes a civil penalty, or fine, related to the alleged violation. Citations or orders can be contested and appealed, and as part of that process, are often reduced in severity and amount, and are sometimes dismissed. The number of citations, orders and proposed assessments varies depending on the size and type (underground or surface) of the mine, among other factors.

The following disclosures have been provided pursuant to Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act (the Act).

Mine Safety Data. Following provides additional information about references used in the table below to describe the categories of violations, orders or citations issued by MSHA under the Mine Act:

• Section 104 S&S Citations: Citations issued by MSHA under Section 104(a) of the Mine Act for violations of health or safety standards that could significantly and substantially contribute to a serious injury if left unabated.

• Section 104(b) Orders: Orders issued under Section 104(b) of the Mine Act, which represent a failure to abate a citation under Section 104(a) within the period prescribed by MSHA. This results in an order of immediate withdrawal from the area of the mine affected by the condition until MSHA determines that the violation has been abated.

• Section 104(d) Citations and Orders: Citations and orders issued by MSHA under Section 104(d) of the Mine Act for unwarrantable failure to comply with mandatory health or safety standards. These types of violations could significantly and substantially contribute to a serious injury; however, the conditions do not cause imminent danger (refer to discussion of imminent danger orders below).

• Section 110(b)(2) Violations: Flagrant violations identified by MSHA under Section 110(b)(2) of the Mine Act. The term flagrant with respect to a violation is defined as “a reckless or repeated failure to make reasonable efforts to eliminate a known violation of a mandatory health or safety standard that substantially and proximately caused, or reasonably could have expected to cause, death or serious bodily injury.”

• Section 107(a) Orders: Orders issued by MSHA under Section 107(a) of the Mine Act for situations in which MSHA determined an imminent danger existed. Orders issued under Section 107(a) of the Mine Act require the operator of the mine to cause all persons (except authorized persons) to be withdrawn from the mine until the imminent danger and the conditions that caused such imminent danger cease to exist.

The following table details the violations, citations and orders issued to us by MSHA during the three months ended March 31, 2013:

										Potential
										to Have
									Pattern of	Pattern of
				Section					Violations	Violation
		Section	Section	104(d)	Section	Section		Mining	Under	Under
		104 S&S	104(b)	Citations	110(b)(2)	107(a)	Proposed	Related	Section	Section
		Citations	Orders	and Orders	Violations	Orders	Assessments(2)	Fatalities	104(e)	104(e)
Mine ID(1)	Mine or Operation Name	(#)	(#)	(#)	(#)	(#)	($)	(#)	(yes/no)	(yes/no)
0200137	Freeport-McMoRan Bagdad Inc. (Bagdad)	5	—	—	—	—	—	—	No	No
	Freeport-McMoRan Chino Mines Company (Chino):
2900708	Chino Mines Co Mine	20	1	—	—	—	41,251	—	No	No
2900762	SX-EW	—	—	—	—	—	—	—	No	No
2901882	Ivanhoe Concentrator	—	—	—	—	—	—	—	No	No
0200112	Freeport-McMoRan Miami Inc (Miami)	—	—	—	—	—	—	—	No	No
0200024	Freeport-McMoRan Morenci Inc (Morenci)	27	—	—	—	—	72,174	—	No	No
0203131	Freeport-McMoRan Safford Inc (Safford)	6	—	—	—	—	9,895	—	No	No
0200144	Freeport-McMoRan Sierrita Inc (Sierrita)	5	—	—	—	—	24,780	—	No	No
2900159	Tyrone Mine (Tyrone)	26	1	—	—	—	32,527	—	No	No
0500790	Henderson Operations (Henderson)	3	—	—	—	—	2,093	—	No	No
0502256	Climax Mine (Climax)	—	—	—	—	—	—	—	No	No
	Freeport-McMoRan Cobre Mining Company:
2900725	Open Pit & Continental Surf Comp	—	—	—	—	—	—	—	No	No
2900731	Continental Mill Complex	—	—	—	—	—	—	—	No	No
0201656	Copper Queen Branch	—	—	—	—	—	—	—	No	No
0202579	Cyprus Tohono Corporation	—	—	—	—	—	—	—	No	No
0203262	Twin Buttes Mine	—	—	—	—	—	—	—	No	No
2902395	Chieftain 2100 Screening Plant	—	—	—	—	—	—	—	No	No
0203254	Warrior 1800 Screening Plant	—	—	—	—	—	—	—	No	No

(1) MSHA assigns an identification number to each mine or operation and may or may not assign separate identification numbers to related facilities.

(2) Amounts represent the total dollar value of proposed assessments received on or before April 30, 2013, for citations or orders issued by MSHA during the three months ended March 31, 2013. FCX is not currently contesting any of these proposed assessments.

Pending Legal Actions. The table below provides a summary of legal actions pending before the Federal Mine Safety and Health Review Commission (the Commission) as well as the aggregate number of legal actions instituted and resolved during the three months ended March 31, 2013. The Commission is an independent adjudicative agency established by the Mine Act that provides administrative trial and appellate review of legal disputes arising under the Mine Act. These cases may involve, among other questions, challenges by operators to citations, orders and penalties they have received from MSHA, or complaints of discrimination by miners under Section 105 of the Mine Act.

The following provides additional information of the types of proceedings that may be brought before the Commission:

• Contest Proceedings - A contest proceeding may be filed by an operator to challenge the issuance of a citation or order issued by MSHA.

• Civil Penalty Proceedings - A civil penalty proceeding may be filed by an operator to challenge a civil penalty MSHA has proposed for a violation contained in a citation or order. FCX does not institute civil penalty proceedings based solely on the assessment amount of proposed penalties. Any initiated adjudications described in the table below address substantive matters of law and policy instituted on conditions that are alleged to be in violation of mandatory standards or the Mine Act.

• Discrimination Proceedings - Involves a miner's allegation that he or she has suffered adverse employment action because he or she engaged in activity protected under the Mine Act, such as making a safety complaint. Also includes temporary reinstatement proceedings involving cases in which a miner has filed a complaint with MSHA stating that he or she has suffered discrimination and the miner has lost his or her position.

• Compensation Proceedings - A compensation proceeding may be filed by miners entitled to compensation when a mine is closed by certain closure orders issued by MSHA. The purpose of the proceeding is to determine the amount of compensation, if any, due to miners idled by the orders.

• Temporary Relief - Applications for temporary relief are applications filed under section 105(b)(2) of the Mine Act for temporary relief from any modification or termination of any order.

• Appeals - An appeal may be filed by an operator to challenge judges decisions or orders to the commission, including petitions for discretionary review and review by the commission on its own motion.

	Legal Actions Pending at March 31, 2013
	Contest	Civil Penalty	Discrimination	Compensation	Temporary			Legal Actions	Legal Actions
	Proceedings	Proceedings	Proceedings	Proceedings	Relief	Appeals	Total	Instituted(2)	Resolved(3)
Mine ID(1)	(#)	(#)	(#)	(#)	(#)	(#)	(#)	(#)	(#)
0200137	9	—	—	—	—	—	9	—	—
2900708	7	—	—	—	—	—	7	—	—
2900762	4	—	—	—	—	—	4	—	—
2901882	—	—	—	—	—	—	—	—	—
0200112	4	—	—	—	—	—	4	—	1
0200024	75	—	—	—	—	—	75	—	—
0203131	—	—	—	—	—	—	—	—	—
0200144	20	—	—	—	—	—	20	2	9
2900159	4	—	—	—	—	—	4	—	—
0500790	9	—	—	—	—	—	9	1	1
0502256	1	—	—	—	—	—	1	—	—
2900725	—	—	—	—	—	—	—	—	—
2900731	—	—	—	—	—	—	—	—	—
0201656	—	—	—	—	—	—	—	—	—
0202579	—	—	—	—	—	—	—	—	—
0203262	—	—	—	—	—	—	—	—	—
2902395	—	—	—	—	—	—	—	—	—
0203254	—	—	—	—	—	—	—	—	—

(1) MSHA assigns an identification number to each mine or operation and may or may not assign separate identification numbers to related facilities. Refer to "Mine Safety Data" table for related mine or operation name.

(2) Legal actions pending at March 31, 2013, and legal actions instituted during the three month period are based on the date that a docket number was assigned to the proceeding.

(3) Legal actions resolved during the three month period are based on the date that the settlement motion resolving disputed matters is filed with the Commission and the matter is effectively closed by MSHA.

XML

Financial Instruments (Unaudited) Not Designated as Hedging Instruments (Details)	Mar. 31, 2013 lb
Embedded derivatives in provisional sales contracts - Copper [Member] | Derivatives not designated as hedging instruments [Member]
Derivative [Line Items]
Open positions (in lbs except gold in oz)	491,000,000
Average contract price	3.57
Average market price	3.41
Maturities through	August 2013
Embedded derivatives in provisional sales contracts - Gold [Member] | Derivatives not designated as hedging instruments [Member]
Derivative [Line Items]
Open positions (in lbs except gold in oz)	105,000
Average contract price	1,606
Average market price	1,601
Maturities through	July 2013
Embedded derivatives in provisional purchase contracts - Copper [Member] | Derivatives not designated as hedging instruments [Member]
Derivative [Line Items]
Open positions (in lbs except gold in oz)	124,000,000
Average contract price	3.57
Average market price	3.42
Maturities through	July 2013
Atlantic Copper [Member] | Copper forward contracts [Member] | Derivatives not designated as hedging instruments [Member]
Derivative [Line Items]
Open positions (in lbs except gold in oz)	16,000,000
Average contract price	3.48
Maturities through	June 2013
Commodity Contract [Member] | Fair Value Hedging [Member] | Derivatives designated as hedging instruments [Member]
Derivative [Line Items]
Open positions (in lbs except gold in oz)	57,000,000
Average contract price	3.54
Maturities through	March 2014

XML

Acquisitions (Unaudited) (Details) (USD $)	12 Months Ended	3 Months Ended			3 Months Ended			3 Months Ended		1 Months Ended	3 Months Ended		3 Months Ended				3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended
	Dec. 31, 2012	Jun. 30, 2013 Plains Exploration & Production Company [Member]	Dec. 31, 2012 Plains Exploration & Production Company [Member]	Dec. 05, 2012 Plains Exploration & Production Company [Member]	Jun. 30, 2013 McMoRan Exploration Co [Member]	Dec. 31, 2012 McMoRan Exploration Co [Member]	Dec. 05, 2012 McMoRan Exploration Co [Member]	Mar. 31, 2013 Kokkola Cobalt Chemicals Refinery [Member]	Mar. 29, 2013 Kokkola Cobalt Chemicals Refinery [Member]	Feb. 28, 2012 Senior Notes [Member]	Mar. 31, 2013 Senior Notes [Member]	Mar. 07, 2013 Senior Notes [Member]	Mar. 31, 2013 Bank Term Loan [Member]	Feb. 14, 2013 Bank Term Loan [Member]	Mar. 29, 2013 Lundin Mining Corporation [Member] Kokkola Cobalt Chemicals Refinery [Member]	Mar. 29, 2013 La Generale des Carrieres et des Mines [Member] Kokkola Cobalt Chemicals Refinery [Member]	Mar. 31, 2013 2.375% Senior Notes due March 2018 [Member] Senior Notes [Member]	Mar. 07, 2013 2.375% Senior Notes due March 2018 [Member] Senior Notes [Member]	Mar. 31, 2013 3.100% Senior Notes due March 2020 [Member] Senior Notes [Member]	Mar. 07, 2013 3.100% Senior Notes due March 2020 [Member] Senior Notes [Member]	Mar. 31, 2013 3.875% Senior Notes due March 2023 [Member] Senior Notes [Member]	Mar. 07, 2013 3.875% Senior Notes due March 2023 [Member] Senior Notes [Member]	Mar. 31, 2013 5.450% Senior Notes due March 2043 [Member] Senior Notes [Member]	Mar. 07, 2013 5.450% Senior Notes due March 2043 [Member] Senior Notes [Member]
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition								Mar. 29, 2013
Business Acquisition, Date of Acquisition Agreement	Dec. 05, 2012
Business Acquisition, Agreed-Upon Equity Interest Issued or Issuable, Number of Shares Per Share of Target Company			0.6531
Business Acquisition, Agreed-Upon Cost of Entity Acquired, Cash Paid Per Share				$ 25.00			$ 14.75
Business Acquistion, Agreed-Upon Cost of Entity Acquired, Cash Paid				$ 3,400,000,000			$ 3,400,000,000
Business Acquisition, Agreed-Upon Equity Interest Issued or Issuable, Number of Shares			91,000,000
Business Acqusition, Agree-Upon Cost of Entity Acquired, Cash Paid, Net of Pro-Forma Existing Interests Held							2,100,000,000
Buinsess Acquisition, Agreed-Upon Royalty Trust Units Issued or Issuable, Per Share of Target Company						1.15
Royalty Interest in Future Production							5.00%
Debt Instrument, Face Amount												6,500,000,000		4,000,000,000				1,500,000,000		1,000,000,000		2,000,000,000		2,000,000,000
Investment Owned, Percent of Net Assets									56.00%
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners															24.00%	20.00%
Business Acquisition, Cost of Acquired Entity, Purchase Price									355,000,000
Business Acquisition, Cost of Acquired Entity, Cash Paid									34,000,000
Business Acquisition, Cash Consideration Funding Percentage									70.00%						30.00%
Business Acquisition, Contingent Consideration, Potential Cash Payment									110,000,000
Buisness Acquisition, Term of Contingent Consideration								3 years
Term of Debt Agreement													5 years				5 years		7 years		10 years		30 years
Proceeds from Issuance of Long-term Debt										$ 2,970,000,000	$ 6,400,000,000
Business Acquisition, Shareholder Meeting		May 20, 2013			Jun. 03, 2013

XML

Business Segments (Unaudited) (Details) (USD $)	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012		Dec. 31, 2012	Dec. 31, 2011
Revenues:
Unaffiliated customers	$ 4,583,000,000		$ 4,605,000,000
Intersegment	0		0
Production and delivery	2,719,000,000		2,428,000,000
Depreciation, depletion and amortization	329,000,000		267,000,000
Selling, general and administrative expenses	113,000,000		104,000,000
Exploration and research expenses	52,000,000		62,000,000
Environmental obligations and shutdown costs	15,000,000		10,000,000
Operating income (loss)	1,355,000,000		1,734,000,000
Interest expense, net	57,000,000		63,000,000
Provision for income taxes	428,000,000		491,000,000
Total assets	42,588,000,000		32,905,000,000		35,440,000,000
Capital expenditures	805,000,000		707,000,000
Sales from PT Freeport Indonesia to PT Smelting	430,000,000		589,000,000
Cash and cash equivalents	9,595,000,000		4,496,000,000		3,705,000,000	4,822,000,000
North America Copper Mines Segment [Member]
Revenues:
Unaffiliated customers	129,000,000		30,000,000
Intersegment	1,260,000,000		1,426,000,000
Production and delivery	811,000,000		707,000,000
Depreciation, depletion and amortization	102,000,000		93,000,000
Selling, general and administrative expenses	1,000,000		1,000,000
Exploration and research expenses	0		0
Environmental obligations and shutdown costs	(4,000,000)		0
Operating income (loss)	479,000,000		655,000,000
Interest expense, net	2,000,000		1,000,000
Provision for income taxes	0		0
Total assets	8,506,000,000		7,401,000,000
Capital expenditures	258,000,000		143,000,000
Morenci [Member]
Revenues:
Unaffiliated customers	80,000,000		13,000,000
Intersegment	436,000,000		513,000,000
Production and delivery	297,000,000		256,000,000
Depreciation, depletion and amortization	33,000,000		31,000,000
Selling, general and administrative expenses	0		0
Exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	186,000,000		239,000,000
Interest expense, net	1,000,000		0
Provision for income taxes	0		0
Total assets	2,589,000,000		2,146,000,000
Capital expenditures	153,000,000		44,000,000
Other North America Copper Mines [Member]
Revenues:
Unaffiliated customers	49,000,000		17,000,000
Intersegment	824,000,000		913,000,000
Production and delivery	514,000,000		451,000,000
Depreciation, depletion and amortization	69,000,000		62,000,000
Selling, general and administrative expenses	1,000,000		1,000,000
Exploration and research expenses	0		0
Environmental obligations and shutdown costs	(4,000,000)		0
Operating income (loss)	293,000,000		416,000,000
Interest expense, net	1,000,000		1,000,000
Provision for income taxes	0		0
Total assets	5,917,000,000		5,255,000,000
Capital expenditures	105,000,000		99,000,000
South America Mines Segment [Member]
Revenues:
Unaffiliated customers	850,000,000		975,000,000
Intersegment	164,000,000		279,000,000
Production and delivery	475,000,000		463,000,000
Depreciation, depletion and amortization	71,000,000		62,000,000
Selling, general and administrative expenses	1,000,000		2,000,000
Exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	467,000,000		727,000,000
Interest expense, net	0		5,000,000
Provision for income taxes	151,000,000		240,000,000
Total assets	10,327,000,000		9,427,000,000
Capital expenditures	226,000,000		152,000,000
Cerro Verde [Member]
Revenues:
Unaffiliated customers	290,000,000		449,000,000
Intersegment	109,000,000		127,000,000
Production and delivery	171,000,000		193,000,000
Depreciation, depletion and amortization	33,000,000		30,000,000
Selling, general and administrative expenses	0		1,000,000
Exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	195,000,000		352,000,000
Interest expense, net	0		5,000,000
Provision for income taxes	64,000,000		123,000,000
Total assets	5,968,000,000		5,300,000,000
Capital expenditures	164,000,000		69,000,000
Other South America Mines [Member]
Revenues:
Unaffiliated customers	560,000,000		526,000,000
Intersegment	55,000,000		152,000,000
Production and delivery	304,000,000		270,000,000
Depreciation, depletion and amortization	38,000,000		32,000,000
Selling, general and administrative expenses	1,000,000		1,000,000
Exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	272,000,000		375,000,000
Interest expense, net	0		0
Provision for income taxes	87,000,000		117,000,000
Total assets	4,359,000,000		4,127,000,000
Capital expenditures	62,000,000		83,000,000
Indonesia - Grasberg [Member]
Revenues:
Unaffiliated customers	864,000,000	[1]	953,000,000	[1]
Intersegment	67,000,000		(3,000,000)
Production and delivery	563,000,000		515,000,000
Depreciation, depletion and amortization	55,000,000		46,000,000
Selling, general and administrative expenses	26,000,000		33,000,000
Exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	287,000,000		356,000,000
Interest expense, net	2,000,000		0
Provision for income taxes	120,000,000		150,000,000
Total assets	6,862,000,000		5,613,000,000
Capital expenditures	191,000,000		182,000,000
Africa - Tenke [Member]
Revenues:
Unaffiliated customers	438,000,000		303,000,000
Intersegment	0		2,000,000
Production and delivery	185,000,000		132,000,000
Depreciation, depletion and amortization	58,000,000		32,000,000
Selling, general and administrative expenses	3,000,000		2,000,000
Exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	192,000,000		139,000,000
Interest expense, net	0		0
Provision for income taxes	44,000,000		29,000,000
Total assets	4,894,000,000		4,138,000,000
Capital expenditures	57,000,000		127,000,000
Molybdenum mines [Member]
Revenues:
Unaffiliated customers	0		0
Intersegment	143,000,000		126,000,000
Production and delivery	80,000,000		70,000,000
Depreciation, depletion and amortization	20,000,000		11,000,000
Selling, general and administrative expenses	0		0
Exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	43,000,000		45,000,000
Interest expense, net	0		0
Provision for income taxes	0		0
Total assets	2,033,000,000		1,906,000,000
Capital expenditures	40,000,000		93,000,000
Rod & Refining [Member]
Revenues:
Unaffiliated customers	1,330,000,000		1,298,000,000
Intersegment	7,000,000		6,000,000
Production and delivery	1,328,000,000		1,297,000,000
Depreciation, depletion and amortization	3,000,000		2,000,000
Selling, general and administrative expenses	0		0
Exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	6,000,000		5,000,000
Interest expense, net	0		0
Provision for income taxes	0		0
Total assets	316,000,000		328,000,000
Capital expenditures	1,000,000		3,000,000
Atlantic Copper Smelting & Refining [Member]
Revenues:
Unaffiliated customers	633,000,000		704,000,000
Intersegment	6,000,000		8,000,000
Production and delivery	628,000,000		695,000,000
Depreciation, depletion and amortization	10,000,000		10,000,000
Selling, general and administrative expenses	5,000,000		5,000,000
Exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	(4,000,000)		2,000,000
Interest expense, net	4,000,000		3,000,000
Provision for income taxes	0		0
Total assets	918,000,000		1,033,000,000
Capital expenditures	8,000,000		3,000,000
Corporate, Other & Eliminations [Member]
Revenues:
Unaffiliated customers	339,000,000	[2]	342,000,000	[2]
Intersegment	(1,647,000,000)		(1,844,000,000)
Production and delivery	(1,351,000,000)		(1,451,000,000)
Depreciation, depletion and amortization	10,000,000		11,000,000
Selling, general and administrative expenses	77,000,000		61,000,000
Exploration and research expenses	52,000,000		62,000,000
Environmental obligations and shutdown costs	19,000,000		10,000,000
Operating income (loss)	(115,000,000)		(195,000,000)
Interest expense, net	49,000,000		54,000,000
Provision for income taxes	113,000,000		72,000,000
Total assets	8,732,000,000	[3]	3,059,000,000
Capital expenditures	24,000,000		4,000,000
Parent Company [Member]
Revenues:
Cash and cash equivalents	7,000,000,000
PT Smelting [Member]
Segment Reporting Information [Line Items]
Deferred Intercompany Profit, Percentage	25.00%
Kokkola Cobalt Chemicals Refinery [Member]
Revenues:
Total assets			$ 477,000,000

[1] Included PT Freeport Indonesia’s sales to PT Smelting totaling $430 million in first-quarter 2013 and $589 million in first-quarter 2012.

[2] 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.

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

XML

Earnings Per Share (Unaudited)

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Earnings Per Share

EARNINGS PER SHARE

FCX’s basic net income per share of common stock was calculated by dividing net income attributable to FCX common stockholders by the weighted-average shares of common stock outstanding during the period. Following is a reconciliation of net income and weighted-average shares of common stock outstanding for purposes of calculating diluted net income per share (in millions, except per share amounts):

	Three Months Ended
	March 31,
	2013			2012
Net income	$	824		$	1,001
Net income attributable to noncontrolling interests	(176		)	(237		)
Net income attributable to FCX common stockholders	$	648		$	764
Weighted-average shares of common stock outstanding	950			949
Add shares issuable upon exercise or vesting of
dilutive stock options and restricted stock units	3			6			a
Weighted-average shares of common stock outstanding
for purposes of calculating diluted net income per share	953			955
Diluted net income per share attributable to FCX   common stockholders	$	0.68		$	0.80

a. Excluded shares of common stock associated with outstanding stock options with exercise prices less than the average market price of FCX's common stock that were anti-dilutive based on the treasury stock method of approximately three million for first-quarter2012.

Outstanding stock options with exercise prices greater than the average market price of FCX’s common stock during the period are excluded from the computation of diluted net income per share of common stock. Excluded amounts were 29 million stock options with a weighted-average exercise price of $41.35 per option for first-quarter2013 and 9 million stock options with a weighted-average exercise price of $50.63 per option for first-quarter2012.

XML

Income Taxes (Unaudited) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Income Tax Disclosure [Line Items]
Taxes on U.S. operations	$ 71	$ 83
Taxes on international operations	357	408
Total	$ 428	$ 491
Consolidated effective income tax rate (percent)	34.00%	33.00%

XML

Inventories, Including Long-Term Mill and Leach Stockpiles (Unaudited) Mill and Leach Stockpiles (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013		Dec. 31, 2012
Mill and Leach Stockpiles [Line Items]
Current mill and leach stockpiles	$ 1,698		$ 1,672
Total long-term mill and leach stockpiles	2,081		1,955
Current [Member]
Mill and Leach Stockpiles [Line Items]
Mill Stockpiles	112		104
Leach stockpiles	1,586		1,568
Current mill and leach stockpiles	1,698		1,672
Long-Term [Member]
Mill and Leach Stockpiles [Line Items]
Mill Stockpiles	627	[1]	615	[1]
Leach stockpiles	1,454	[1]	1,340	[1]
Total long-term mill and leach stockpiles	$ 2,081	[1]	$ 1,955	[1]

[1] Metals in stockpiles not expected to be recovered within the next 12 months.

XML

Debt and Equity Transactions (Unaudited) (Details) (USD $)	3 Months Ended				1 Months Ended	3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended		3 Months Ended					1 Months Ended	3 Months Ended			3 Months Ended		3 Months Ended		3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Bank Term Loan [Member]	Feb. 14, 2013 Bank Term Loan [Member]	Feb. 28, 2012 Senior Notes [Member]	Mar. 31, 2013 Senior Notes [Member]	Mar. 07, 2013 Senior Notes [Member]	Mar. 31, 2013 Senior Notes [Member] 2.375% Senior Notes due March 2018 [Member]	Mar. 07, 2013 Senior Notes [Member] 2.375% Senior Notes due March 2018 [Member]	Mar. 31, 2013 Senior Notes [Member] 3.100% Senior Notes due March 2020 [Member]	Mar. 07, 2013 Senior Notes [Member] 3.100% Senior Notes due March 2020 [Member]	Mar. 31, 2013 Senior Notes [Member] 3.875% Senior Notes due March 2023 [Member]	Mar. 07, 2013 Senior Notes [Member] 3.875% Senior Notes due March 2023 [Member]	Mar. 31, 2013 Senior Notes [Member] 5.450% Senior Notes due March 2043 [Member]	Mar. 07, 2013 Senior Notes [Member] 5.450% Senior Notes due March 2043 [Member]	Feb. 28, 2012 Senior Notes [Member] 1.40% Senior Notes due 2015 [Member]	Feb. 28, 2012 Senior Notes [Member] 2.15% Senior Notes due 2017 [Member]	Feb. 28, 2012 Senior Notes [Member] Senior Notes Due 2022 3 Point 55 Percent [Member]	Mar. 31, 2012 Senior Notes [Member] 8.375% Senior Notes due 2017 [Member]	Mar. 31, 2012 Senior Notes [Member] 8.375% Senior Notes due 2017 [Member]	Mar. 31, 2013 Revolving Credit Facility [Member]	Feb. 14, 2013 Revolving Credit Facility [Member]	Mar. 31, 2013 Bridge Loan [Member]	Feb. 14, 2013 Bridge Loan [Member]	Mar. 31, 2013 Option 1 [Member] Bank Term Loan [Member]	Feb. 14, 2013 Option 1 [Member] Bank Term Loan [Member]	Mar. 31, 2013 Option 2 [Member] Bank Term Loan [Member]	Feb. 14, 2013 Option 2 [Member] Bank Term Loan [Member]
Extinguishment of Debt [Line Items]
Debt Instrument, Agreement Date	Mar. 07, 2013		Feb. 14, 2013																		Feb. 14, 2013
Debt Instrument, Maturity Date																					Mar. 30, 2016
Face amount of senior notes sold				$ 4,000,000,000			$ 6,500,000,000		$ 1,500,000,000		$ 1,000,000,000		$ 2,000,000,000		$ 2,000,000,000	$ 500,000,000	$ 500,000,000	$ 2,000,000,000						$ 9,500,000,000
Long-term Debt, Maturities, Repayments of Principal in Year Two, Percent				10.00%
Long-term Debt, Maturities, Repayments of Principal in Year Three, Percent				15.00%
Long-term Debt, Maturities, Repayments of Principal in Year Four, Percent				20.00%
Debt Instrument, Maturity Date, Description			five years from the date of the first borrowing
Debt Instrument, Description of Variable Rate Basis																					LIBOR				LIBOR		alternate-based rate
Debt Instrument, Basis Spread on Variable Rate																						1.50%				1.50%		0.50%
Term of Debt Agreement			5 years					5 years		7 years		10 years		30 years							5 years
Line of Credit Facility, Maximum Borrowing Capacity																						3,000,000,000
Amount of revolving credit facility available to subsidiary																						500,000,000
Debt Instrument, Interest Rate (percent)									2.375%		3.10%		3.875%		5.45%	1.40%	2.15%	3.55%	8.375%	8.375%
Proceeds from Issuance of Long-term Debt					2,970,000,000	6,400,000,000
Debt Instrument, Frequency of Periodic Payment						March 15 and September 15
Debt Instrument, Date of First Required Payment						Sep. 15, 2013
Redemption price percentage to principal amount										101.00%		101.00%		101.00%					104.553%
Losses on early extinguishment of debt	45,000,000	168,000,000																		168,000,000			45,000,000
Losses on early extinguishment of debt, net of tax																				149,000,000			40,000,000
Debt Instrument, Redemption Date																			Mar. 14, 2012
Extinguishment of Debt, Amount																			$ 3,000,000,000

XML

Debt and Equity Transactions (Unaudited) Interests and Dividends (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Class of Stock [Line Items]
Interest costs incurred	$ 75	$ 99
Interest costs capitalized	$ 18	$ 36
Dividends Payable, Date Declared	Mar. 27, 2013
Dividends Payable, Amount Per Share (in dollars per share)	$ 0.3125
Dividends Payable, Date to be Paid	May 01, 2013
Dividends Payable, Date of Record	Apr. 15, 2013

XML

Acquisitions (Unaudited) (Notes)

3 Months Ended

Mar. 31, 2013

Acquisitions [Abstract]

Business Combination Disclosure [Text Block]

ACQUISITIONS

Cobalt Chemical Refinery Business. On March 29, 2013, FCX, through a newly formed consolidated joint venture, completed the acquisition of a cobalt chemical refinery in Kokkola, Finland, and the related sales and marketing business. The acquisition provides direct end-market access for the cobalt hydroxide production at Tenke Fungurume Mining S.A.R.L. (TFM or Tenke). The joint venture operates under the name Freeport Cobalt, and FCX is the operator with an effective 56 percent ownership interest. The remaining effective ownership interest is held by its partners in TFM, including 24 percent by Lundin Mining Corporation (Lundin) and 20 percent by La Générale des Carrières et des Mines (Gécamines). Initial consideration paid was $355 million, which included $34 million for cash acquired and is subject to a working capital adjustment, and was funded 70 percent by FCX and 30 percent by Lundin. Under the terms of the acquisition agreement, there is also the potential for additional consideration of up to $110 million over a period of three years, contingent upon the achievement of revenue-based performance targets. The initial estimates of the fair value of assets acquired and liabilities assumed are included in FCX's consolidated financial statements as of March 31, 2013.

Pending Acquisitions. On December 5, 2012, FCX announced definitive agreements to acquire, in separate transactions, Plains Exploration & Production Company (PXP) and McMoRan Exploration Co. (MMR). PXP per-share consideration is equivalent to 0.6531 shares of FCX's common stock and $25.00 in cash (approximately $3.4 billion in cash and 91 million shares of FCX common stock). MMR per-share consideration consists of $14.75 in cash (approximately $3.4 billion in cash, or $2.1 billion net of MMR interests owned by FCX and PXP) and 1.15 units of a royalty trust, which will hold a five percent overriding royalty interest in future production from MMR's existing shallow water ultra-deep prospects. As further discussed in Note 6, in March 2013, FCX issued $6.5 billion of senior notes for net proceeds of $6.4 billion, which will be used, together with a five-year bank term loan that provides for borrowings up to $4.0 billion, to fund the cash portion of the merger consideration for both transactions and the repayment of certain indebtedness of PXP and MMR.

Completion of each transaction is subject to receipt of PXP and MMR stockholder approval of their respective transactions. The PXP transaction is not conditioned on the closing of the MMR transaction, and the MMR transaction is not conditioned on the closing of the PXP transaction. On April 18, 2013, PXP announced that it will hold a special meeting of its stockholders on May 20, 2013, to vote on the proposed acquisition of PXP by FCX. On May 3, 2013, MMR announced it will hold a special meeting of its stockholders on June 3, 2013, to vote on the proposed acquisition of MMR by FCX. Both transactions are expected to close in second-quarter 2013, subject to satisfaction of all conditions to closing.

The information contained in the consolidated financial statements and the notes herein does not reflect FCX's pending acquisitions of PXP or MMR.

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Financial Instruments (Unaudited) (Details) (Commodity Contract [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Fair Value Hedging [Member] | Amounts recorded in Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative financial instruments	$ (12)		$ 18
Hedged item	12		(18)
Matured derivative financial instruments	(2)		10
Derivatives not designated as hedging instruments [Member] | Atlantic Copper [Member] | Embedded derivatives in provisional sales contracts [Member] | Amounts recorded in Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Realized and unrealized gains (losses)	(83)	[1]	184	[1]
Derivatives not designated as hedging instruments [Member] | Atlantic Copper [Member] | Copper forward contracts [Member] | Amounts recorded in Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Realized and unrealized gains (losses)	$ 3	[2]	$ 11	[2]

[1] Amounts recorded in revenues.

[2] Amounts recorded in cost of sales as production and delivery costs.

XML

Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013		Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 9,595		$ 3,705
Trade accounts receivable	1,082		927
Other accounts receivable	687		702
Inventories:
Mill and leach stockpiles	1,698		1,672
Materials and supplies, net	1,575	[1]	1,504	[1]
Product	1,536		1,400
Other current assets	410		387
Total current assets	16,583		10,297
Property, plant, equipment and development costs, net	21,689		20,999
Long-term mill and leach stockpiles	2,081		1,955
Other assets	2,235		2,189
Total assets	42,588		35,440
Current liabilities:
Accounts payable and accrued liabilities	2,892		3,007
Current portion of reclamation and environmental obligations	254		241
Accrued income taxes	125		93
Current portion of debt	4		2
Total current liabilities	3,275		3,343
Long-term debt, less current portion	10,088		3,525
Deferred income taxes	3,580		3,490
Reclamation and environmental obligations, less current portion	2,130		2,127
Other liabilities	1,666		1,644
Total liabilities	20,739		14,129
FCX stockholders' equity:
Common stock	107		107
Capital in excess of par value	19,163		19,119
Retained earnings	2,750		2,399
Accumulated other comprehensive loss	(500)		(506)
Common stock held in treasury	(3,580)		(3,576)
Total FCX stockholders' equity	17,940		17,543
Noncontrolling interests	3,909		3,768
Total equity	21,849		21,311
Total liabilities and equity	$ 42,588		$ 35,440

[1] Materials and supplies inventory was net of obsolescence reserves totaling $27 million at March 31, 2013, and December 31, 2012.

XML

Consolidated Statement of Equity (Unaudited) (USD $) In Millions, unless otherwise specified	Total	Total FCX Stockholders' Equity [Member]	Common Stock [Member]	Capital in Excess of Par Value [Member]	Retained Earnings (Deficit) [Member]	Accumulated Other Comprehensive Loss [Member]	Common Stock Held in Treasury [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2012	$ 21,311	$ 17,543	$ 107	$ 19,119	$ 2,399	$ (506)	$ (3,576)	$ 3,768
Balance (in shares) at Dec. 31, 2012			1,073				124
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercised and issued stock-based awards	2	2	0	2	0	0	0	0
Exercised and issued stock-based awards (in shares)			1				0
Stock-based compensation	41	41	0	41	0	0	0	0
Tax benefit for stock-based awards	1	1	0	1	0	0	0	0
Tender of shares for stock-based awards	(4)	(4)	0	0	0	0	(4)	0
Tender of shares for stock-based awards (in shares)			0				0
Dividends on common stock	(297)	(297)	0	0	(297)	0	0	0
Dividends to noncontrolling interests	(35)	0	0	0	0	0	0	(35)
Total comprehensive income	830	654	0	0	648	6	0	176
Balance at Mar. 31, 2013	$ 21,849	$ 17,940	$ 107	$ 19,163	$ 2,750	$ (500)	$ (3,580)	$ 3,909
Balance (in shares) at Mar. 31, 2013			1,074				124

XML

Fair Value Measurement (Unaudited) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Carrying Amount, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Carrying Amount, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Carrying Amount, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Carrying Amount, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 1 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 1 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 2 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 2 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 3 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 3 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Carrying Amount, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Carrying Amount, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Fair Value, Inputs, Level 1 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Fair Value, Inputs, Level 1 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Fair Value, Inputs, Level 2 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Fair Value, Inputs, Level 2 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Fair Value, Inputs, Level 3 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Fair Value, Inputs, Level 3 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Carrying Amount, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Carrying Amount, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Fair Value, Inputs, Level 1 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Fair Value, Inputs, Level 1 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Fair Value, Inputs, Level 2 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Fair Value, Inputs, Level 2 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Fair Value, Inputs, Level 3 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Fair Value, Inputs, Level 3 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Carrying Amount, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Carrying Amount, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Fair Value, Inputs, Level 1 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Fair Value, Inputs, Level 1 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Fair Value, Inputs, Level 2 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Fair Value, Inputs, Level 2 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Fair Value, Inputs, Level 3 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Fair Value, Inputs, Level 3 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Carrying Amount, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Carrying Amount, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Fair Value, Inputs, Level 1 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Fair Value, Inputs, Level 1 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Fair Value, Inputs, Level 2 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Fair Value, Inputs, Level 2 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Fair Value, Inputs, Level 3 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Fair Value, Inputs, Level 3 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Carrying Amount, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Carrying Amount, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Fair Value, Inputs, Level 1 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Fair Value, Inputs, Level 1 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Fair Value, Inputs, Level 2 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Fair Value, Inputs, Level 2 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Fair Value, Inputs, Level 3 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Fair Value, Inputs, Level 3 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Carrying Amount, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Carrying Amount, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Fair Value, Inputs, Level 1 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Fair Value, Inputs, Level 1 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Fair Value, Inputs, Level 2 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Fair Value, Inputs, Level 2 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Fair Value, Inputs, Level 3 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Fair Value, Inputs, Level 3 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Carrying Amount, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Carrying Amount, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Fair Value, Inputs, Level 1 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Fair Value, Inputs, Level 1 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Fair Value, Inputs, Level 2 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Fair Value, Inputs, Level 2 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Fair Value, Inputs, Level 3 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Fair Value, Inputs, Level 3 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Carrying Amount, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Carrying Amount, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Fair Value, Inputs, Level 1 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Fair Value, Inputs, Level 1 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Fair Value, Inputs, Level 2 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Fair Value, Inputs, Level 2 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Fair Value, Inputs, Level 3 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Fair Value, Inputs, Level 3 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Carrying Amount, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Carrying Amount, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Fair Value, Inputs, Level 1 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Fair Value, Inputs, Level 1 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Fair Value, Inputs, Level 2 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Fair Value, Inputs, Level 2 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Fair Value, Inputs, Level 3 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Fair Value, Inputs, Level 3 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Carrying Amount, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Carrying Amount, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 1 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 1 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 2 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 2 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 3 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 3 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper forward contracts [Member] Carrying Amount, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper forward contracts [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper forward contracts [Member] Fair Value, Inputs, Level 1 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper forward contracts [Member] Fair Value, Inputs, Level 2 [Member]		Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper forward contracts [Member] Fair Value, Inputs, Level 3 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Carrying Amount, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Fair Value, Inputs, Level 1 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Fair Value, Inputs, Level 2 [Member]		Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Fair Value, Inputs, Level 3 [Member]		Mar. 31, 2013 McMoRan Exploration Co [Member] Fair Value, Measurements, Recurring [Member] Cost-method investments [Member] Carrying Amount, Fair Value Disclosure [Member]		Dec. 31, 2012 McMoRan Exploration Co [Member] Fair Value, Measurements, Recurring [Member] Cost-method investments [Member] Carrying Amount, Fair Value Disclosure [Member]		Mar. 31, 2013 McMoRan Exploration Co [Member] Fair Value, Measurements, Recurring [Member] Cost-method investments [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Dec. 31, 2012 McMoRan Exploration Co [Member] Fair Value, Measurements, Recurring [Member] Cost-method investments [Member] Estimate of Fair Value, Fair Value Disclosure [Member]		Mar. 31, 2013 McMoRan Exploration Co [Member] Fair Value, Measurements, Recurring [Member] Cost-method investments [Member] Fair Value, Inputs, Level 1 [Member]		Dec. 31, 2012 McMoRan Exploration Co [Member] Fair Value, Measurements, Recurring [Member] Cost-method investments [Member] Fair Value, Inputs, Level 1 [Member]		Mar. 31, 2013 McMoRan Exploration Co [Member] Fair Value, Measurements, Recurring [Member] Cost-method investments [Member] Fair Value, Inputs, Level 2 [Member]		Dec. 31, 2012 McMoRan Exploration Co [Member] Fair Value, Measurements, Recurring [Member] Cost-method investments [Member] Fair Value, Inputs, Level 2 [Member]		Mar. 31, 2013 McMoRan Exploration Co [Member] Fair Value, Measurements, Recurring [Member] Cost-method investments [Member] Fair Value, Inputs, Level 3 [Member]		Dec. 31, 2012 McMoRan Exploration Co [Member] Fair Value, Measurements, Recurring [Member] Cost-method investments [Member] Fair Value, Inputs, Level 3 [Member]
Investment securities (current and long-term):
Available-for-sale securities		$ 484		$ 492		$ 637		$ 585		$ 23		$ 24		$ 614		$ 561		$ 0		$ 0																																										$ 16	[1],[2]	$ 16	[1],[2]	$ 16	[1],[2]	$ 16	[1],[2]	$ 16	[1],[2]	$ 16	[1],[2]	$ 0	[1],[2]	$ 0	[1],[2]	$ 0	[1],[2]	$ 0	[1],[2]	$ 22	[1],[2]	$ 22	[1],[2]	$ 22	[1],[2]	$ 22	[1],[2]	$ 0	[1],[2]	$ 0	[1],[2]	$ 22	[1],[2]	$ 22	[1],[2]	$ 0	[1],[2]	$ 0	[1],[2]	$ 7	[1],[2]	$ 8	[1],[2]	$ 7	[1],[2]	$ 8	[1],[2]	$ 7	[1],[2]	$ 8	[1],[2]	$ 0	[1],[2]	$ 0	[1],[2]	$ 0	[1],[2]	$ 0	[1],[2]																																																																																																																																													$ 439	[3]	$ 446	[3]	$ 592	[3]	$ 539	[3]	$ 0	[3]	$ 0	[3]	$ 592	[3]	$ 539	[3]	$ 0	[3]	$ 0	[3]
Trust assets (long-term):
Trust assets		162	[1],[2]	163	[1],[2]	162	[1],[2]	163	[1],[2]	7	[1],[2]	7	[1],[2]	155	[1],[2]	156	[1],[2]	0	[1],[2]	0	[1],[2]																																									7	[1],[2]	7	[1],[2]	7	[1],[2]	7	[1],[2]	7	[1],[2]	7	[1],[2]	0	[1],[2]	0	[1],[2]	0	[1],[2]	0	[1],[2]	49	[1],[2]	50	[1],[2]	49	[1],[2]	50	[1],[2]	0	[1],[2]	0	[1],[2]	49	[1],[2]	50	[1],[2]	0	[1],[2]	0	[1],[2]																					40	[1],[2]	36	[1],[2]	40	[1],[2]	36	[1],[2]	0	[1],[2]	0	[1],[2]	40	[1],[2]	36	[1],[2]	0	[1],[2]	0	[1],[2]	28	[1],[2]	30	[1],[2]	28	[1],[2]	30	[1],[2]	0	[1],[2]	0	[1],[2]	28	[1],[2]	30	[1],[2]	0	[1],[2]	0	[1],[2]	19	[1],[2]	24	[1],[2]	19	[1],[2]	24	[1],[2]	0	[1],[2]	0	[1],[2]	19	[1],[2]	24	[1],[2]	0	[1],[2]	0	[1],[2]	18	[1],[2]	15	[1],[2]	18	[1],[2]	15	[1],[2]	0	[1],[2]	0	[1],[2]	18	[1],[2]	15	[1],[2]	0	[1],[2]	0	[1],[2]	1	[1],[2]	1	[1],[2]	1	[1],[2]	1	[1],[2]	0	[1],[2]	0	[1],[2]	1	[1],[2]	1	[1],[2]	0	[1],[2]	0	[1],[2]
Derivatives:
Derivative assets		20	[2]	41	[2]	20	[2]	41	[2]	1	[2]	5	[2]	19	[2]	36	[2]	0	[2]	0	[2]																																																																																																																																																																																																									19	[2],[4]	36	[2],[4]	19	[2],[4]	36	[2],[4]	0	[2],[4]	0	[2],[4]	19	[2],[4]	36	[2],[4]	0	[2],[4]	0	[2],[4]	1	[2],[5]	1	[2],[5]	1	[2],[5]	0	[2],[5]	0	[2],[5]	5	[2],[5]	5	[2],[5]	5	[2],[5]	0	[2],[5]	0	[2],[5]
Total assets						819		789		31		36		788		753		0		0
Derivatives:
Derivative liabilities		87	[2]	28	[2]	87	[2]	28	[2]	6	[2]	1	[2]	81	[2]	27	[2]	0	[2]	0	[2]	79	[2],[4]	27	[2],[4]	79	[2],[4]	27	[2],[4]	0	[2],[4]	0	[2],[4]	79	[2],[4]	27	[2],[4]	0	[2],[4]	0	[2],[4]	8	[2],[6]	1	[2],[6]	8	[2],[6]	1	[2],[6]	6	[2],[6]	1	[2],[6]	2	[2],[6]	0	[2],[6]	0	[2],[6]	0	[2],[6]
Long-term debt, including current portion		10,092	[7]	3,527	[7]	10,129	[7]	3,589	[7]	0	[7]	0	[7]	10,129	[7]	3,589	[7]	0	[7]	0	[7]
Total liabilities						$ 10,216		$ 3,617		$ 6		$ 1		$ 10,210		$ 3,616		$ 0		$ 0
Dividend Rate Of Investee Preferred Stock	5.75%

[1] Current portion included in other current assets and long-term portion included in other assets.

[2] Recorded at fair value.

[3] Recorded at cost and included in other assets.

[4] Embedded derivatives are recorded in trade accounts receivable and/or accounts payable and accrued liabilities (refer to Note 7 for further discussion).

[5] Included in other current assets.

[6] Included in accounts payable and accrued liabilities.

[7] Recorded at cost except for long-term debt acquired in the FMC acquisition, which was recorded at fair value at the acquisition date.

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Financial Instruments (Unaudited) (Tables)

3 Months Ended

Mar. 31, 2013

Financial Instruments [Abstract]

Unrealized gains (losses) for derivative financial instruments that are designated and qualify as fair value hedge transactions and for the related hedged item

A summary of gains (losses) recognized in revenues for derivative financial instruments related to commodity contracts that are designated and qualify as fair value hedge transactions, along with the unrealized gains (losses) on the related hedged item (firm sales commitments) follows (in millions):

	Three Months Ended
	March 31,
	2013			2012
Copper futures and swap contracts:
Unrealized (losses) gains:
Derivative financial instruments	$	(12	)	$	18
Hedged item	12			(18		)
Realized (losses) gains:
Matured derivative financial instruments	(2		)	10

Schedule of Derivative Instruments

A summary of FCX’s embedded derivatives at March 31, 2013, follows:

	Open Positions	Average Price Per Unit				Maturities Through
		Contract		Market
Embedded derivatives in provisional sales contracts:
Copper (millions of pounds)	491	$	3.57	$	3.41	August 2013
Gold (thousands of ounces)	105	1,606		1,601		July 2013
Embedded derivatives in provisional purchase contracts:
Copper (millions of pounds)	124	3.57		3.42		July 2013

Realized and unrealized gains (losses) for derivative financial instruments that do not qualify as hedge transactions

A summary of the realized and unrealized gains (losses) recognized in income before income taxes and equity in affiliated companies’ net earnings for commodity contracts that do not qualify as hedge transactions, including embedded derivatives, follows (in millions):

	Three Months Ended
	March 31,
	2013			2012
Embedded derivatives in provisional sales contractsa	$	(83	)	$	184
Copper forward contractsb	3			11

a. Amounts recorded in revenues. 

b. Amounts recorded in cost of sales as production and delivery costs.

Fair Values of Unsettled Derivative Financial Instruments

A summary of the fair values of unsettled derivative financial instruments recorded on the consolidated balance sheets follows (in millions):

	March 31, 2013		December 31, 2012
Derivatives designated as hedging instruments
Commodity contracts:
Copper futures and swap contracts:a
Asset positionb	$	—	$	5
Liability positionc	8		1
Derivatives not designated as hedging instruments
Commodity contracts:
Embedded derivatives in provisional sales/purchase contracts:d
Gross amounts in an asset position	$	19	$	36
Less gross amounts offset in the balance sheet	—		8
Net amounts in an asset position	$	19	$	28
Gross amounts in a liability position	$	79	$	27
Less gross amounts offset in the balance sheet	—		8
Net amounts in a liability position	$	79	$	19
Copper forward contracts:
Asset positionb	$	1	$	—

a. FCX paid $10 million to brokers at March 31, 2013, and $7 million at December 31, 2012, for margin requirements (recorded in other current assets).

b. Amounts recorded in other current assets. 

c. Amounts recorded in accounts payable and accrued liabilities. 

d. These derivatives are the only derivatives that are offset in the balance sheet in accordance with accounting guidance. Based on the respective contract, embedded derivatives on provisional sales/purchases are netted with the corresponding outstanding receivable/payable balances. At March 31, 2013, the net amounts were in a net liability position of $60 million, of which a credit of $43 million was netted against trade accounts receivable, and a credit of $17 million was included in accounts payable and accrued liabilities. At December 31, 2012, the net amounts were in a net asset position of $9 million, of which a debit of $15 million was included in trade accounts receivable, and a credit of $6 million was included in accounts payable and accrued liabilities.

Schedule of Cash and Cash Equivalents [Table Text Block]

A summary of cash and cash equivalents follows (in millions):

	March 31, 2013		December 31, 2012
Money market funds	$	8,367	$	2,991
Time deposits	697		514
Overnight repurchase agreementa	300		—
Cash in banks	231		200
Total cash and cash equivalents	$	9,595	$	3,705

a. In the first quarter of 2013, FCX entered into an overnight repurchase agreement with a financial institution. In connection with the agreement, FCX purchases an undivided interest in U.S. government treasury and/or agency securities at market value, and the financial institution agrees to repurchase the securities on demand (the following business day) at the original purchase price plus a designated interest rate. FCX does not participate in the actual return on the underlying securities. Because of its short-term, highly liquid nature, and the insignificant risk of changes in value, FCX considers this financial instrument a cash equivalent.

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Contingencies and Commitments (Unaudited) (Details) (PT Freeport Indonesia [Member], USD $) In Millions, unless otherwise specified	Mar. 31, 2013
Loss Contingencies [Line Items]
Disputed tax assessments paid	$ 190
Disputed tax assessments paid, long-term portion	148
Relating To 2008 [Member] | Tax Assessment [Member]
Loss Contingencies [Line Items]
Foreign government assessment in connection with alleged obligations	59
Relating To 2008 [Member] | Interest Assessment [Member]
Loss Contingencies [Line Items]
Foreign government assessment in connection with alleged obligations	$ 55

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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.

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General Information (Unaudited)

3 Months Ended

Mar. 31, 2013

General Information [Abstract]

General Information

GENERAL INFORMATION

The accompanying unaudited consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and do not include all information and disclosures required by generally accepted accounting principles (GAAP) in the United States (U.S.). Therefore, this information should be read in conjunction with Freeport-McMoRan Copper & Gold Inc.’s (FCX) consolidated financial statements and notes contained in its annual report on Form 10-K for the year ended December 31, 2012. The information furnished herein reflects all adjustments that are, in the opinion of management, necessary for a fair statement of the results for the interim periods reported. All such adjustments are, in the opinion of management, of a normal recurring nature. Operating results for the three-month period ended March 31, 2013, are not necessarily indicative of the results that may be expected for the year ending December 31, 2013.

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Consolidated Statements of Income (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenues	$ 4,583	$ 4,605
Cost of sales:
Production and delivery	2,719	2,428
Depreciation, depletion and amortization	329	267
Total cost of sales	3,048	2,695
Selling, general and administrative expenses	113	104
Exploration and research expenses	52	62
Environmental obligations and shutdown costs	15	10
Total costs and expenses	3,228	2,871
Operating income	1,355	1,734
Interest expense, net	(57)	(63)
Losses on early extinguishment of debt	(45)	(168)
Other expense, net	(3)	(13)
Income before income taxes and equity in affiliated companies' net earnings	1,250	1,490
Provision for income taxes	(428)	(491)
Equity in affiliated companies' net earnings	2	2
Net income	824	1,001
Net income attributable to noncontrolling interests	(176)	(237)
Net income attributable to FCX common stockholders	$ 648	$ 764
Net income per share attributable to FCX common stockholders:
Basic	$ 0.68	$ 0.81
Diluted	$ 0.68	$ 0.80
Weighted-average common shares outstanding:
Basic	950	949
Diluted	953	955
Dividends declared per share of common stock	$ 0.3125	$ 0.3125

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Subsequent Events (Unaudited)

3 Months Ended

Mar. 31, 2013

Subsequent Events [Abstract]

Subsequent Events

SUBSEQUENT EVENTS

FCX evaluated events after March 31, 2013, and through the date the consolidated 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 consolidated financial statements.

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Document and Entity Information Document (USD $) In Billions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Apr. 30, 2013	Jun. 29, 2012
Document and Entity Information [Abstract]
Entity Registrant Name	FREEPORT MCMORAN COPPER & GOLD INC
Entity Central Index Key	0000831259
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 32.1
Entity Common Stock, Shares Outstanding		949,742,416
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q1
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2013

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Business Segments (Unaudited)

3 Months Ended

Mar. 31, 2013

Segment Reporting [Abstract]

Business Segments

BUSINESS SEGMENTS

FCX has organized its operations into five primary divisions – North America copper mines, South America mining, Indonesia mining, Africa mining and Molybdenum mines. Notwithstanding this structure, FCX internally reports information on a mine-by-mine basis. Therefore, FCX concluded that its operating segments include individual mines or operations. Operating segments that meet certain thresholds are reportable segments. Beginning in first-quarter 2013, the Molybdenum operations division was revised to only report FCX's two molybdenum mines in North America - the Henderson underground mine and the Climax open-pit mine, both in Colorado - as a division (i.e. Molybdenum mines). The molybdenum sales company and related conversion facilities are included with Corporate, Other & Eliminations in the following segment tables. In addition, FCX revised its segment disclosures for the three months ended March 31, 2012, to conform with the current period presentation.

Intersegment Sales. Intersegment sales between FCX’s operations are based on similar arms-length transactions with third parties at the time of the sale. Intersegment sales may not be reflective of the actual prices ultimately realized because of a variety of factors, including additional processing, timing of sales to unaffiliated customers and transportation premiums.

FCX defers recognizing profits on sales from its mining operations to Atlantic Copper and on 25 percent of Indonesia mining sales to PT Smelting until final sales to third parties occur. Quarterly variations in ore grades, the timing of intercompany shipments and changes in product prices result in variability in FCX's net deferred profits and quarterly earnings.

Allocations. FCX allocates certain operating costs, expenses and capital expenditures to its operating divisions and individual segments. However, not all costs and expenses applicable to a mine or operation are allocated. U.S. federal and state income taxes are recorded and managed at the corporate level, whereas foreign income taxes are recorded and managed at the applicable country. In addition, most exploration and research activities are managed at the corporate level, and those costs along with some selling, general and administrative costs are not allocated to the operating divisions or segments. Accordingly, the following segment information reflects management determinations that may not be indicative of what the actual financial performance of each operating division or segment would be if it was an independent entity.

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.

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Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net Income	$ 824	$ 1,001
Defined benefit plans:
Amortization of unrecognized amounts included in net periodic benefit costs	7	7
Adjustment to deferred tax valuation allowance	0	5
Unrealized losses on securities arising during the period	(1)	0
Other comprehensive income	6	12
Total comprehensive income	830	1,013
Total comprehensive income attributable to noncontrolling interests	(176)	(237)
Total comprehensive income attributable to FCX common stockholders	$ 654	$ 776

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Debt and Equity Transactions (Unaudited)

3 Months Ended

Mar. 31, 2013

Debt and Equity Transactions [Abstract]

Debt and Equity Transactions

DEBT AND EQUITY TRANSACTIONS

On February 14, 2013, FCX entered into an agreement for a $4.0 billion bank term loan (the Term Loan) in connection with the pending acquisitions of PXP and MMR. Borrowings of up to $4.0 billion under the Term Loan will become available to FCX upon the closing of the PXP and/or the MMR acquisitions to fund the cash portion of the merger consideration for both transactions, to refinance certain of PXP's and MMR's outstanding debt, or for general corporate purposes. At the time the PXP transaction closes, PXP will join the Term Loan as a borrower.

The Term Loan will amortize in equal quarterly installments during the second, third and fourth years of the Term Loan in annual amounts equal to 10 percent, 15 percent and 20 percent, respectively, of the original aggregate principal amount, and the remainder will mature five years from the date of the first borrowing. At FCX's option, the Term Loan will bear interest at either an adjusted London Interbank Offered Rate (LIBOR) or an alternate-based rate (as defined under the Term Loan agreement) plus a spread to be determined by reference to FCX's credit ratings (currently LIBOR plus 1.50 percent or the alternate-based rate plus 50 basis points). FCX expects to select LIBOR for amounts borrowed at closing.

Also on February 14, 2013, FCX and PT Freeport Indonesia entered into a new senior unsecured $3.0 billion revolving credit facility, which will refinance and replace FCX's existing revolving credit facility (scheduled to mature on March 30, 2016) upon completion of the pending acquisition of PXP. Interest on the new revolving credit facility will be determined by reference to FCX's credit rating (currently LIBOR plus 1.50 percent). At the time the PXP acquisition closes, PXP will join the revolving credit facility as a borrower. No amounts are currently available to FCX under the new revolving credit facility. At the closing of the acquisition of PXP, the new revolving credit facility will be available for five years in an aggregate principal amount of $3.0 billion, with $500 million available to PT Freeport Indonesia.

The Term Loan and new revolving credit facility both contain customary affirmative covenants and representations, and also contain a number of negative covenants that, among other things, restrict, subject to certain exceptions, the ability of FCX's subsidiaries that are not borrowers or guarantors to incur additional indebtedness (including guarantee obligations) and FCX's ability or the ability of FCX's subsidiaries to: create liens on assets; enter into sale and leaseback transactions; engage in mergers, liquidations and dissolutions; and sell assets. The Term Loan and new revolving credit facility also contain financial ratios governing maximum total leverage and minimum interest coverage.

On March 7, 2013, in connection with the financing of FCX's pending acquisitions of PXP and MMR, FCX issued $6.5 billion of senior notes in four tranches. FCX sold $1.5 billion of 2.375% Senior Notes due March 2018 (5-year notes), $1.0 billion of 3.100% Senior Notes due March 2020 (7-year notes), $2.0 billion of 3.875% Senior Notes due March 2023 (10-year notes) and $2.0 billion of 5.450% Senior Notes due March 2043 (30-year notes) for total net proceeds of $6.4 billion. Interest on these notes is payable semiannually on March 15 and September 15, commencing on September 15, 2013. FCX expects to use the proceeds from the senior notes, together with available funds from its Term Loan, to fund the acquisitions of PXP and MMR, including the payment of cash consideration for the acquisitions and the repayment of certain indebtedness. If the PXP acquisition does not close, FCX will be required to redeem all the outstanding 7-year, 10-year and 30-year notes at 101 percent plus accrued and unpaid interest.

FCX recorded a loss on early extinguishment of debt of $45 million ($40 million to net income attributable to FCX common stockholders) in first-quarter 2013 for financing costs incurred for the terminated $9.5 billion acquisition bridge loan facility, which was entered into in December 2012 to provide interim financing for the acquisitions of PXP and MMR.

In February 2012, FCX sold $500 million of 1.40% Senior Notes due 2015, $500 million of 2.15% Senior Notes due 2017 and $2.0 billion of 3.55% Senior Notes due 2022 for total net proceeds of $2.97 billion. These notes bear interest payable semiannually.

On March 14, 2012, FCX redeemed the remaining $3.0 billion of its outstanding 8.375% Senior Notes due 2017, for which holders received 104.553 percent of the principal amount together with the accrued and unpaid interest. As a result of this redemption, FCX recorded a loss on early extinguishment of debt of $168 million ($149 million to net income attributable to FCX common stockholders) in first-quarter 2012.

Consolidated interest expense (excluding capitalized interest) totaled $75 million in first-quarter2013 and $99 million in first-quarter2012. Capitalized interest totaled $18 million in first-quarter2013 and $36 million in first-quarter2012.

On March 27, 2013, FCX's Board of Directors declared a quarterly dividend of $0.3125 per share, which was paid on May 1, 2013, to common shareholders of record at the close of business on April 15, 2013.

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Income Taxes (Unaudited)

3 Months Ended

Mar. 31, 2013

Income Tax Disclosure [Abstract]

Income Taxes

INCOME TAXES

Geographic sources of FCX's provision for income taxes follow (in millions):

	Three Months Ended
	March 31,
	2013		2012
United States operations	$	71	$	83
International operations	357		408
Total	$	428	$	491

FCX’s consolidated effective income tax rate was 34 percent for first-quarter2013 and 33 percent for first-quarter2012. Variations in the relative proportions of jurisdictional income can result in fluctuations to FCX’s consolidated effective income tax rate.

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Fair Value Measurement (Unaudited) (Tables)

3 Months Ended

Mar. 31, 2013

Fair Value Measurement [Abstract]

Carrying Amount and Fair Value of Other Financial Instruments

A summary of the carrying amount and fair value of FCX’s financial instruments other than cash and cash equivalents, accounts receivable, and accounts payable and accrued liabilities follows (in millions):

	At March 31, 2013
	Carrying		Fair Value
	Amount		Total		Level 1		Level 2		Level 3
Assets
Investment securities (current and long-term):
MMR investmentb	$	439	$	592	$	—	$	592	$	—
U.S. core fixed income funda,c	22		22		—		22		—
Money market fundsa, c	16		16		16		—		—
Equity securitiesa, c	7		7		7		—		—
Total investment securities	484		637		23		614		—
Trust assets (long-term):a, c
U.S. core fixed income fund	49		49		—		49		—
Government mortgage-backed securities	40		40		—		40		—
Corporate bonds	28		28		—		28		—
Government bonds and notes	19		19		—		19		—
Asset-backed securities	18		18		—		18		—
Money market funds	7		7		7		—		—
Municipal bonds	1		1		—		1		—
Total trust assets	162		162		7		155		—
Derivatives:a
Embedded derivatives in provisional sales/purchase
contracts in a gross asset positiond	19		19		—		19		—
Copper forward contractse	1		1		1		—		—
Total derivative assets	20		20		1		19		—
Total assets			$	819	$	31	$	788	$	—
Liabilities
Derivatives:a
Embedded derivatives in provisional sales/purchase
contracts in a gross liability positiond	$	79	$	79	$	—	$	79	$	—
Copper futures and swap contractsf	8		8		6		2		—
Total derivative liabilities	87		87		6		81		—
Long-term debt, including current portiong	10,092		10,129		—		10,129		—
Total liabilities			$	10,216	$	6	$	10,210	$	—

	At December 31, 2012
	Carrying		Fair Value
	Amount		Total		Level 1		Level 2		Level 3
Assets
Investment securities (current and long-term):
MMR investmentb	$	446	$	539	$	—	$	539	$	—
U.S. core fixed income funda,c	22		22		—		22		—
Money market fundsa, c	16		16		16		—		—
Equity securitiesa, c	8		8		8		—		—
Total investment securities	492		585		24		561		—
Trust assets (long-term):a, c
U.S. core fixed income fund	50		50		—		50		—
Government mortgage-backed securities	36		36		—		36		—
Corporate bonds	30		30		—		30		—
Government bonds and notes	24		24		—		24		—
Asset-backed securities	15		15		—		15		—
Money market funds	7		7		7		—		—
Municipal bonds	1		1		—		1		—
Total trust assets	163		163		7		156		—
Derivatives:a
Embedded derivatives in provisional sales/purchase
contracts in a gross asset positiond	36		36		—		36		—
Copper futures and swaps contractse	5		5		5		—		—
Total derivative assets	41		41		5		36		—
Total assets			$	789	$	36	$	753	$	—
Liabilities
Derivatives:a
Embedded derivatives in provisional sales/purchase
contracts in a gross liability positiond	$	27	$	27	$	—	$	27	$	—
Copper futures and swap contractsf	1		1		1		—		—
Total derivative liabilities	28		28		1		27		—
Long-term debt, including current portiong	3,527		3,589		—		3,589		—
Total liabilities			$	3,617	$	1	$	3,616	$	—

a. Recorded at fair value. 

b. Recorded at cost and included in other assets.

c. Current portion included in other current assets and long-term portion included in other assets. 

d. Embedded derivatives are recorded in trade accounts receivable and/or accounts payable and accrued liabilities (refer to Note 7 for further discussion).

e. Included in other current assets.

f. Included in accounts payable and accrued liabilities.

g. Recorded at cost except for long-term debt acquired in the FMC acquisition, which was recorded at fair value at the acquisition date.

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Earnings Per Share (Unaudited) (Tables)

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Reconciliation of net income and weighted-average shares of common stock outstanding

Following is a reconciliation of net income and weighted-average shares of common stock outstanding for purposes of calculating diluted net income per share (in millions, except per share amounts):

	Three Months Ended
	March 31,
	2013			2012
Net income	$	824		$	1,001
Net income attributable to noncontrolling interests	(176		)	(237		)
Net income attributable to FCX common stockholders	$	648		$	764
Weighted-average shares of common stock outstanding	950			949
Add shares issuable upon exercise or vesting of
dilutive stock options and restricted stock units	3			6			a
Weighted-average shares of common stock outstanding
for purposes of calculating diluted net income per share	953			955
Diluted net income per share attributable to FCX   common stockholders	$	0.68		$	0.80

a. Excluded shares of common stock associated with outstanding stock options with exercise prices less than the average market price of FCX's common stock that were anti-dilutive based on the treasury stock method of approximately three million for first-quarter2012.

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Contingencies and Commitments (Unaudited)

3 Months Ended

Mar. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Commitments abd Contingencies

CONTINGENCIES AND COMMITMENTS

Litigation. The following information includes a discussion of updates to previously reported legal proceedings included in Note 13 of FCX's annual report on Form 10-K for the year ended December 31, 2012.

Shareholder Litigation.In re Freeport-McMoRan Copper & Gold Inc. Derivative Litigation, No. 8145-VCN, consolidated in the Delaware Court of Chancery on January 25, 2013. On March 18, 2013, the Delaware Court of Chancery granted the stipulation made by the parties to allow the plaintiffs in In re Freeport-McMoRan Derivative Litigation, No. CV2012-018351, consolidated in the Arizona Superior Court on February 6, 2013, to intervene in the consolidated Delaware action. On March 18, 2013, the Arizona plaintiffs agreed to seek a permanent stay of the Arizona actions, and on March 20, 2013, the Arizona Superior Court extended the stay until June 7, 2013. On March 21, 2013, the plaintiffs in the consolidated Delaware action informed the Delaware Court of Chancery that they will not seek a preliminary injunction barring either the PXP merger or the MMR merger.

Stephen Blau MD Money Purchase Pension Plan Trust v. Moffett et al., No. 8384-VCN, Delaware Court of Chancery, filed March 5, 2013. On March 5, 2013, an additional derivative action challenging the MMR merger and the PXP merger was filed on behalf of FCX by a purported FCX stockholder in the Delaware Court of Chancery. The action names some or all of the following as defendants: the directors and certain officers of FCX, two FCX subsidiaries, PXP and certain of its directors, and MMR and certain of its directors and officers. The action alleges, among other things, that the FCX directors breached their fiduciary duties to FCX stockholders because they, among other things, pursued their own interests at the expense of stockholders in approving the PXP and MMR mergers. The complaint also alleges that some or all of the following parties aided and abetted the wrongful acts allegedly committed by the directors and certain officers of FCX, two FCX subsidiaries, PXP and certain of its directors, and MMR and certain of its directors and officers. The action seeks as relief, among other things, enjoining defendants temporarily and permanently from taking any steps to accomplish or implement the proposed PXP and MMR mergers under the terms proposed and requiring submission of the proposed PXP and MMR mergers to a vote of FCX stockholders, damages, and attorneys' fees and costs. This action has not yet been consolidated into the Delaware action.

In re Plains Exploration & Production Company Stockholder Litigation, No. 8090-VCN, consolidated in the Delaware Court of Chancery on January 15, 2013. On March 22, 2013, the plaintiffs filed a brief in support of their motion for preliminary injunction which was filed on February 15, 2013. The Delaware Court of Chancery held a hearing on May 1, 2013, regarding the plaintiffs' motion for preliminary injunction. A ruling is expected in the near future.

In re McMoRan Exploration Co. Stockholder Litigation, No. 8132-VCN, consolidated in the Delaware Court of Chancery on January 25, 2013. On March 21, 2013, the plaintiffs filed a brief in support of their motion for preliminary injunction which was filed on December 20, 2012.

Langley v. Moffett et al., No. 2012-11904, Civil District Court for the Parish of Orleans of the State of Louisiana, filed December 19, 2012. On April 19, 2013, the Louisiana Civil District Court granted defendants' motion to stay the action pending the resolution of the consolidated action brought by MMR stockholders in the Delaware Court of Chancery.

FCX intends to defend itself vigorously in these matters.

Tax Matters. As reported in Note 13 of FCX's annual report on Form 10-K for the year ended December 31, 2012, PT Freeport Indonesia has received assessments from the Indonesian tax authorities for additional taxes and interest related to various audit exceptions for the years 2005, 2006 and 2007. During first-quarter 2013, PT Freeport Indonesia also received assessments from the Indonesian tax authorities for additional taxes of $59 million and interest of $55 million related to various audit exceptions for 2008. As of March 31, 2013, PT Freeport Indonesia has paid $190 million (of which $148 million is included in other assets) for the tax assessments. PT Freeport Indonesia has filed objections to the 2005, 2006 and 2007 assessments because it believes it has properly determined and paid its taxes.

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Financial Instruments (Unaudited)

3 Months Ended

Mar. 31, 2013

Financial Instruments [Abstract]

Financial Instruments

FINANCIAL INSTRUMENTS

FCX does not purchase, hold or sell derivative financial instruments unless there is an existing asset or obligation, or it anticipates a future activity that is likely to occur and will result in exposure to market risks, which FCX intends to offset or mitigate. FCX does not enter into any derivative financial instruments for speculative purposes, but has entered into derivative financial instruments in limited instances to achieve specific objectives. These objectives principally relate to managing risks associated with commodity price changes, foreign currency exchange rates and interest rates.

Commodity Contracts.  From time to time, FCX has entered into forward, futures and swap contracts to hedge the market risk associated with fluctuations in the prices of commodities it purchases and sells. Derivative financial instruments used by FCX to manage its risks do not contain credit risk-related contingent provisions. As of March 31, 2013, FCX had no price protection contracts relating to its mine production. A discussion of FCX’s derivative commodity contracts and programs follows.

Derivatives Designated as Hedging Instruments – Fair Value Hedges

Copper Futures and Swap Contracts. Some of FCX's U.S. copper rod customers request a fixed market price instead of the New York Mercantile Exchange (COMEX) average copper price in the month of shipment. FCX hedges this price exposure in a manner that allows it to receive the COMEX average price in the month of shipment while the customers pay the fixed price they requested. FCX accomplishes this by entering into copper futures and swap contracts and then liquidating the copper futures contracts and settling the copper swap contracts during the month of shipment, which generally results in FCX receiving the COMEX average copper price in the month of shipment. Hedging gains or losses from these copper futures and swap contracts are recorded in revenues. FCX did not have any significant gains or losses during the three-month periods ended March 31, 2013 and 2012, resulting from hedge ineffectiveness. At March 31, 2013, FCX held copper futures and swap contracts that qualified for hedge accounting for 57 million pounds at an average contract price of $3.54 per pound, with maturities through March 2014.

A summary of gains (losses) recognized in revenues for derivative financial instruments related to commodity contracts that are designated and qualify as fair value hedge transactions, along with the unrealized gains (losses) on the related hedged item (firm sales commitments) follows (in millions):

	Three Months Ended
	March 31,
	2013			2012
Copper futures and swap contracts:
Unrealized (losses) gains:
Derivative financial instruments	$	(12	)	$	18
Hedged item	12			(18		)
Realized (losses) gains:
Matured derivative financial instruments	(2		)	10

Derivatives Not Designated as Hedging Instruments

Embedded Derivatives. As described in Note 1 to FCX’s annual report on Form 10-K for the year ended December 31, 2012, under “Revenue Recognition,” certain FCX copper concentrate, copper cathode and gold sales contracts provide for provisional pricing primarily based on the London Metal Exchange (LME) price (copper) or the COMEX price (copper) and the London Bullion Market Association (London PM) price (gold) at the time of shipment as specified in the contract. Similarly, FCX purchases copper under contracts that provide for provisional pricing. FCX applies the normal purchases and normal sales scope exception in accordance with derivatives and hedge accounting guidance to the host sales agreements since the contracts do not allow for net settlement and always result in physical delivery. Sales and purchases with a provisional sales price contain an embedded derivative (i.e., the price settlement mechanism that is settled after the time of delivery) that is required to be bifurcated from the host contract. The host contract is the sale or purchase of the metals contained in the concentrates or cathodes at the then-current LME or COMEX price (copper) or the London PM price (gold) as defined in the contract. Mark-to-market price fluctuations recorded through the settlement date are reflected in revenues for sales contracts and in cost of sales as production and delivery costs for purchase contracts.

A summary of FCX’s embedded derivatives at March 31, 2013, follows:

	Open Positions	Average Price Per Unit				Maturities Through
		Contract		Market
Embedded derivatives in provisional sales contracts:
Copper (millions of pounds)	491	$	3.57	$	3.41	August 2013
Gold (thousands of ounces)	105	1,606		1,601		July 2013
Embedded derivatives in provisional purchase contracts:
Copper (millions of pounds)	124	3.57		3.42		July 2013

Copper Forward Contracts. Atlantic Copper, FCX’s wholly owned smelting and refining unit in Spain, enters into forward copper contracts designed to hedge its copper price risk whenever its physical purchases and sales pricing periods do not match. These economic hedge transactions are intended to hedge against changes in copper prices, with the mark-to-market hedging gains or losses recorded in cost of sales. At March 31, 2013, Atlantic Copper held net forward copper sales contracts for 16 million pounds at an average contract price of $3.48 per pound, with maturities through June 2013.

A summary of the realized and unrealized gains (losses) recognized in income before income taxes and equity in affiliated companies’ net earnings for commodity contracts that do not qualify as hedge transactions, including embedded derivatives, follows (in millions):

	Three Months Ended
	March 31,
	2013			2012
Embedded derivatives in provisional sales contractsa	$	(83	)	$	184
Copper forward contractsb	3			11

a. Amounts recorded in revenues. 

b. Amounts recorded in cost of sales as production and delivery costs.

Unsettled Derivative Financial Instruments

A summary of the fair values of unsettled derivative financial instruments recorded on the consolidated balance sheets follows (in millions):

	March 31, 2013		December 31, 2012
Derivatives designated as hedging instruments
Commodity contracts:
Copper futures and swap contracts:a
Asset positionb	$	—	$	5
Liability positionc	8		1
Derivatives not designated as hedging instruments
Commodity contracts:
Embedded derivatives in provisional sales/purchase contracts:d
Gross amounts in an asset position	$	19	$	36
Less gross amounts offset in the balance sheet	—		8
Net amounts in an asset position	$	19	$	28
Gross amounts in a liability position	$	79	$	27
Less gross amounts offset in the balance sheet	—		8
Net amounts in a liability position	$	79	$	19
Copper forward contracts:
Asset positionb	$	1	$	—

a. FCX paid $10 million to brokers at March 31, 2013, and $7 million at December 31, 2012, for margin requirements (recorded in other current assets).

b. Amounts recorded in other current assets. 

c. Amounts recorded in accounts payable and accrued liabilities. 

d. These derivatives are the only derivatives that are offset in the balance sheet in accordance with accounting guidance. Based on the respective contract, embedded derivatives on provisional sales/purchases are netted with the corresponding outstanding receivable/payable balances. At March 31, 2013, the net amounts were in a net liability position of $60 million, of which a credit of $43 million was netted against trade accounts receivable, and a credit of $17 million was included in accounts payable and accrued liabilities. At December 31, 2012, the net amounts were in a net asset position of $9 million, of which a debit of $15 million was included in trade accounts receivable, and a credit of $6 million was included in accounts payable and accrued liabilities.

Credit Risk.  FCX is exposed to credit loss when financial institutions with which FCX has entered into derivative transactions (commodity, foreign exchange and interest rate swaps) are unable to pay. To minimize the risk of such losses, FCX uses counterparties that meet certain credit requirements and periodically reviews the creditworthiness of these counterparties. FCX does not anticipate that any of the counterparties it deals with will default on their obligations. As of March 31, 2013, FCX did not have significant credit exposure associated with derivative transactions.

Other Financial Instruments.  Other financial instruments include cash and cash equivalents, accounts receivable, investment securities, trust assets, accounts payable and accrued liabilities, and long-term debt. The carrying value for cash and cash equivalents, accounts receivable, and accounts payable and accrued liabilities approximates fair value because of their short-term nature and generally negligible credit losses (refer to Note 8 for the fair values of investment securities, trust assets and long-term debt).

A summary of cash and cash equivalents follows (in millions):

	March 31, 2013		December 31, 2012
Money market funds	$	8,367	$	2,991
Time deposits	697		514
Overnight repurchase agreementa	300		—
Cash in banks	231		200
Total cash and cash equivalents	$	9,595	$	3,705

a. In the first quarter of 2013, FCX entered into an overnight repurchase agreement with a financial institution. In connection with the agreement, FCX purchases an undivided interest in U.S. government treasury and/or agency securities at market value, and the financial institution agrees to repurchase the securities on demand (the following business day) at the original purchase price plus a designated interest rate. FCX does not participate in the actual return on the underlying securities. Because of its short-term, highly liquid nature, and the insignificant risk of changes in value, FCX considers this financial instrument a cash equivalent.

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Fair Value Measurement (Unaudited)

3 Months Ended

Mar. 31, 2013

Fair Value Measurement [Abstract]

Fair Value Measurement

FAIR VALUE MEASUREMENT

Fair value accounting guidance includes a hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 inputs) and the lowest priority to unobservable inputs (Level 3 inputs). FCX did not have any significant transfers in or out of Levels 1, 2 or 3 for first-quarter 2013.

A summary of the carrying amount and fair value of FCX’s financial instruments other than cash and cash equivalents, accounts receivable, and accounts payable and accrued liabilities follows (in millions):

	At March 31, 2013
	Carrying		Fair Value
	Amount		Total		Level 1		Level 2		Level 3
Assets
Investment securities (current and long-term):
MMR investmentb	$	439	$	592	$	—	$	592	$	—
U.S. core fixed income funda,c	22		22		—		22		—
Money market fundsa, c	16		16		16		—		—
Equity securitiesa, c	7		7		7		—		—
Total investment securities	484		637		23		614		—
Trust assets (long-term):a, c
U.S. core fixed income fund	49		49		—		49		—
Government mortgage-backed securities	40		40		—		40		—
Corporate bonds	28		28		—		28		—
Government bonds and notes	19		19		—		19		—
Asset-backed securities	18		18		—		18		—
Money market funds	7		7		7		—		—
Municipal bonds	1		1		—		1		—
Total trust assets	162		162		7		155		—
Derivatives:a
Embedded derivatives in provisional sales/purchase
contracts in a gross asset positiond	19		19		—		19		—
Copper forward contractse	1		1		1		—		—
Total derivative assets	20		20		1		19		—
Total assets			$	819	$	31	$	788	$	—
Liabilities
Derivatives:a
Embedded derivatives in provisional sales/purchase
contracts in a gross liability positiond	$	79	$	79	$	—	$	79	$	—
Copper futures and swap contractsf	8		8		6		2		—
Total derivative liabilities	87		87		6		81		—
Long-term debt, including current portiong	10,092		10,129		—		10,129		—
Total liabilities			$	10,216	$	6	$	10,210	$	—

	At December 31, 2012
	Carrying		Fair Value
	Amount		Total		Level 1		Level 2		Level 3
Assets
Investment securities (current and long-term):
MMR investmentb	$	446	$	539	$	—	$	539	$	—
U.S. core fixed income funda,c	22		22		—		22		—
Money market fundsa, c	16		16		16		—		—
Equity securitiesa, c	8		8		8		—		—
Total investment securities	492		585		24		561		—
Trust assets (long-term):a, c
U.S. core fixed income fund	50		50		—		50		—
Government mortgage-backed securities	36		36		—		36		—
Corporate bonds	30		30		—		30		—
Government bonds and notes	24		24		—		24		—
Asset-backed securities	15		15		—		15		—
Money market funds	7		7		7		—		—
Municipal bonds	1		1		—		1		—
Total trust assets	163		163		7		156		—
Derivatives:a
Embedded derivatives in provisional sales/purchase
contracts in a gross asset positiond	36		36		—		36		—
Copper futures and swaps contractse	5		5		5		—		—
Total derivative assets	41		41		5		36		—
Total assets			$	789	$	36	$	753	$	—
Liabilities
Derivatives:a
Embedded derivatives in provisional sales/purchase
contracts in a gross liability positiond	$	27	$	27	$	—	$	27	$	—
Copper futures and swap contractsf	1		1		1		—		—
Total derivative liabilities	28		28		1		27		—
Long-term debt, including current portiong	3,527		3,589		—		3,589		—
Total liabilities			$	3,617	$	1	$	3,616	$	—

a. Recorded at fair value. 

b. Recorded at cost and included in other assets.

c. Current portion included in other current assets and long-term portion included in other assets. 

d. Embedded derivatives are recorded in trade accounts receivable and/or accounts payable and accrued liabilities (refer to Note 7 for further discussion).

e. Included in other current assets.

f. Included in accounts payable and accrued liabilities.

g. Recorded at cost except for long-term debt acquired in the FMC acquisition, which was recorded at fair value at the acquisition date.

Valuation Techniques

Money market funds are classified within Level 1 of the fair value hierarchy because they are valued using quoted market prices in active markets.

FCX's investment in MMR's 5.75% Convertible Perpetual Preferred Stock (MMR investment) is not actively traded. Historically, FCX used a pricing simulation model in determining fair value of the MMR investment; however, because of the definitive agreement to acquire MMR (refer to Note 2), FCX incorporated a discounted cash flow model in determining fair value of the MMR investment at March 31, 2013. Accordingly, FCX primarily valued its MMR investment based on a discounted cash flow model that uses risk-adjusted discount rates as the most significant observable input and an expected settlement date. FCX continues to classify this valuation within Level 2 of the fair value hierarchy.

Fixed income securities (U.S. core fixed income funds, government securities, corporate bonds, asset-backed securities and municipal bonds) are valued using a bid evaluation or a mid evaluation. A bid evaluation is an estimated price at which a dealer would pay for a security. A mid evaluation is the average of the estimated price at which a dealer would sell a security and the estimated price at which a dealer would pay for a security. These evaluations are based on quoted prices, if available, or models that use observable inputs and, as such, are classified within Level 2 of the fair value hierarchy.

Equity securities are valued at the closing price reported on the active market on which the individual securities are traded and, as such, are classified within Level 1 of the fair value hierarchy.

FCX’s embedded derivatives on provisional copper concentrate, copper cathode and gold purchases and sales have critical inputs of quoted monthly LME or COMEX copper forward prices and the London PM gold forward price at each reporting date based on the month of maturity; however, FCX's contracts themselves are not traded on an exchange. As a result, these derivatives are classified within Level 2 of the fair value hierarchy.

FCX’s derivative financial instruments for copper futures and swap contracts and copper forward contracts that are traded on the respective exchanges are classified within Level 1 of the fair value hierarchy because they are valued using quoted monthly COMEX or LME forward prices at each reporting date based on the month of maturity (refer to Note 7 for further discussion). Certain of these contracts are traded on the over-the-counter market and are classified within Level 2 of the fair value hierarchy.

Long-term debt, including the current portion, is valued using prices obtained from a readily available pricing source and, as such, is classified within Level 2 of the fair value hierarchy.

The techniques described above may produce a fair value calculation that may not be indicative of net realizable value or reflective of future fair values. Furthermore, while FCX believes its valuation techniques are appropriate and consistent with other market participants, the use of different techniques or assumptions to determine fair value of certain financial instruments could result in a different fair value measurement at the reporting date. There have been no changes in the techniques used at March 31, 2013, except as otherwise described above.

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New Accounting Standards (Unaudited)

3 Months Ended

Mar. 31, 2013

New Accounting Standards [Abstract]

New Accounting Standards

NEW ACCOUNTING STANDARDS

In December 2011, the Financial Accounting Standards Board (FASB) issued an Accounting Standards Update (ASU) that requires companies to disclose information regarding offsetting and other arrangements for derivatives and other financial instruments. Additionally, in January 2013, FASB issued an ASU that limited the scope of the balance sheet offsetting disclosures to derivatives, repurchase agreements and securities lending transactions to the extent that they are (i) offset in the financial statements or (ii) subject to an enforceable master netting arrangement or similar arrangement. FCX adopted this guidance effective January 1, 2013.

In February 2013, FASB issued an ASU that clarified the reclassification requirements from accumulated other comprehensive income to net income. This ASU requires disclosure of amounts reclassified out of accumulated other comprehensive income by component. In addition, an entity is required to present either on the face of the financial statements or in the notes, significant amounts reclassified out of accumulated other comprehensive income by the respective line items of net income, but only if the amount is reclassified in its entirety to net income in the same reporting period. For amounts not reclassified in their entirety to net income, an entity is required to cross-reference to the related note on the face of the financial statements for additional information. FCX adopted this guidance effective January 1, 2013.

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Financial Instruments (Unaudited) Unsettled Derivatives (Details) (USD $)	Mar. 31, 2013		Dec. 31, 2012		Mar. 31, 2012	Dec. 31, 2011
Derivatives, Fair Value [Line Items]
Paid to brokers associated with margin requirements	$ 10,000,000		$ 7,000,000
Cash and cash equivalents	9,595,000,000		3,705,000,000		4,496,000,000	4,822,000,000
Commodity Contract [Member] | Copper futures and swap contracts [Member] | Derivatives designated as hedging instruments [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Asset position	0	[1],[2]	5,000,000	[1],[2]
Commodity Contract [Member] | Copper futures and swap contracts [Member] | Derivatives designated as hedging instruments [Member] | Accounts payable and accrued liabilities [Member]
Derivatives, Fair Value [Line Items]
Liability position	8,000,000	[2],[3]	1,000,000	[2],[3]
Commodity Contract [Member] | Copper forward contracts [Member] | Derivatives not designated as hedging instruments | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Asset position	1,000,000	[1]	0	[1]
Commodity Contract [Member] | Embedded derivatives in provisional sales/purchases contracts [Member] | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Asset position	19,000,000	[4]	36,000,000	[4]
Derivative Asset, Fair Value, Gross Liability	0	[4]	8,000,000	[4]
Derivative Asset, Fair Value, Net	19,000,000	[4]	28,000,000	[4]
Derivative, Fair Value, Net	(60,000,000)		9,000,000
Liability position	79,000,000	[4]	27,000,000	[4]
Derivative Liability, Fair Value, Gross Asset	0	[4]	8,000,000	[4]
Derivative Liability, Fair Value, Net	79,000,000	[3],[4]	19,000,000	[3],[4]
Commodity Contract [Member] | Embedded derivatives in provisional sales/purchases contracts [Member] | Derivatives not designated as hedging instruments | Accounts payable and accrued liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net	(17,000,000)		(6,000,000)
Commodity Contract [Member] | Embedded derivatives in provisional sales/purchases contracts [Member] | Derivatives not designated as hedging instruments | Trade accounts receivable [Member]
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net	(43,000,000)		15,000,000
Money market funds [Member]
Derivatives, Fair Value [Line Items]
Cash and cash equivalents	8,367,000,000		2,991,000,000
Bank Time Deposits [Member]
Derivatives, Fair Value [Line Items]
Cash and cash equivalents	697,000,000		514,000,000
Repurchase Agreements [Member]
Derivatives, Fair Value [Line Items]
Cash and cash equivalents	300,000,000	[5]	0	[5]
Cash Held in Banks [Member]
Derivatives, Fair Value [Line Items]
Cash and cash equivalents	$ 231,000,000		$ 200,000,000

[1] Amounts recorded in other current assets.

[2] FCX paid $10 million to brokers at March 31, 2013, and $7 million at December 31, 2012, for margin requirements (recorded in other current assets).

[3] Amounts recorded in accounts payable and accrued liabilities.

[4] These derivatives are the only derivatives that are offset in the balance sheet in accordance with accounting guidance. Based on the respective contract, embedded derivatives on provisional sales/purchases are netted with the corresponding outstanding receivable/payable balances. At March 31, 2013, the net amounts were in a net liability position of $60 million, of which a credit of $43 million was netted against trade accounts receivable, and a credit of $17 million was included in accounts payable and accrued liabilities. At December 31, 2012, the net amounts were in a net asset position of $9 million, of which a debit of $15 million was included in trade accounts receivable, and a credit of $6 million was included in accounts payable and accrued liabilities.

[5] In the first quarter of 2013, FCX entered into an overnight repurchase agreement with a financial institution. In connection with the agreement, FCX purchases an undivided interest in U.S. government treasury and/or agency securities at market value, and the financial institution agrees to repurchase the securities on demand (the following business day) at the original purchase price plus a designated interest rate. FCX does not participate in the actual return on the underlying securities. Because of its short-term, highly liquid nature, and the insignificant risk of changes in value, FCX considers this financial instrument a cash equivalent.

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Income Taxes (Unaudited) (Tables)

3 Months Ended

Mar. 31, 2013

Income Tax Disclosure [Abstract]

Geographic Sources of Provision for Income Taxes

Geographic sources of FCX's provision for income taxes follow (in millions):

	Three Months Ended
	March 31,
	2013		2012
United States operations	$	71	$	83
International operations	357		408
Total	$	428	$	491

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Earnings Per Share (Unaudited) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Earnings Per Share [Abstract]
Net income	$ 824	$ 1,001
Net income attributable to noncontrolling interests	(176)	(237)
Net income attributable to FCX common stockholders	$ 648	$ 764
Weighted-average shares of common stock outstanding	950	949
Add stock issuable upon exercise or vesting of:
Incremental common shares (in shares)	3	6	[1]
Weighted-average shares of common stock outstanding for purposes of calculating diluted net income per share (in shares)	953	955
Diluted net income per share attributable to FCX common stockholders (in dollars per share)	$ 0.68	$ 0.80
Potential anti-dilutive additional shares of common stock (in shares)		3
Outstanding stock options with exercise prices greater than average market price of common stock	29	9
Weighted-average exercise price of outstanding stock options not in-the-money	$ 41.35	$ 50.63

[1] Excluded shares of common stock associated with outstanding stock options with exercise prices less than the average market price of FCX's common stock that were anti-dilutive based on the treasury stock method of approximately three million for first-quarter 2012.

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Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flow from operating activities:
Net income	$ 824	$ 1,001
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	329	267
Stock-based compensation	41	32
Pension plans contributions	(22)	(52)
Net charges for reclamation and environmental obligations, including accretion	34	35
Payments for reclamation and environmental obligations	(36)	(45)
Losses on early extinguishment of debt	45	168
Deferred income taxes	136	168
Increase in long-term mill and leach stockpiles	(126)	(61)
Other, net	36	8
(Increases) decreases in working capital and other tax payments:
Accounts receivable	(113)	(482)
Inventories	(67)	(248)
Other current assets	(48)	40
Accounts payable and accrued liabilities	(201)	(64)
Accrued income taxes and other tax payments	(1)	34
Net cash provided by operating activities	831	801
Capital expenditures:
North America copper mines	(258)	(143)
South America	(226)	(152)
Indonesia	(191)	(182)
Africa	(57)	(127)
Molybdenum mines	(40)	(93)
Other	(33)	(10)
Acquisition of cobalt refinery, net of cash acquired	(321)	0
Other, net	14	(7)
Net cash used in investing activities	(1,112)	(714)
Cash flow from financing activities:
Proceeds from debt	6,615	3,004
Repayments of debt	(39)	(3,159)
Cash dividends paid:
Common stock	(297)	(238)
Noncontrolling interests	(35)	(1)
Debt financing costs	(72)	(22)
Net payments for stock-based awards	(2)	(4)
Excess tax benefit from stock-based awards	1	7
Net cash provided by (used in) financing activities	6,171	(413)
Net increase (decrease) in cash and cash equivalents	5,890	(326)
Cash and cash equivalents at beginning of year	3,705	4,822
Cash and cash equivalents at end of period	$ 9,595	$ 4,496

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Inventories, Including Long-Term Mill and Leach Stockpiles (Unaudited)

3 Months Ended

Mar. 31, 2013

Inventories, Including Long Term Mill and Leach Stockpiles [Abstract]

Inventories, Including Long-Term Mill and Leach Stockpiles

INVENTORIES, INCLUDING LONG-TERM MILL AND LEACH STOCKPILES

The components of inventories follow (in millions):

	March 31, 2013		December 31, 2012
Raw materials (primarily concentrates)	$	171	$	237
Work-in-processa	237		252
Finished goodsb	1,128		911
Total product inventories	$	1,536	$	1,400
Total materials and supplies, netc	$	1,575	$	1,504

a. FCX's mining operations also have work-in-process inventories that are included in mill and leach stockpiles.

b. Primarily included molybdenum concentrates and copper concentrates, anodes, cathodes and rod.

c. Materials and supplies inventory was net of obsolescence reserves totaling $27 million at March 31, 2013, and December 31, 2012.

A summary of mill and leach stockpiles follows (in millions):

	March 31, 2013		December 31, 2012
Current:
Mill stockpiles	$	112	$	104
Leach stockpiles	1,586		1,568
Total current mill and leach stockpiles	$	1,698	$	1,672
Long-term:a
Mill stockpiles	$	627	$	615
Leach stockpiles	1,454		1,340
Total long-term mill and leach stockpiles	$	2,081	$	1,955

a. Metals in stockpiles not expected to be recovered within the next 12 months.

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Inventories, Including Long-Term Mill and Leach Stockpiles (Unaudited) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013		Dec. 31, 2012
Components of Inventories [Line Items]
Raw materials (primarily concentrates)	$ 171		$ 237
Work-in-process	237	[1]	252	[1]
Finished goods	1,128	[2]	911	[2]
Total product inventories	1,536		1,400
Total materials and supplies, net	1,575	[3]	1,504	[3]
Inventory obsolescence reserves	$ 27		$ 27

[1] FCX's mining operations also have work-in-process inventories that are included in mill and leach stockpiles.

[2] Primarily included molybdenum concentrates and copper concentrates, anodes, cathodes and rod.

[3] Materials and supplies inventory was net of obsolescence reserves totaling $27 million at March 31, 2013, and December 31, 2012.

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Inventories, Including Long-Term Mill and Leach Stockpiles (Unaudited) (Tables)

3 Months Ended

Mar. 31, 2013

Inventories, Including Long Term Mill and Leach Stockpiles [Abstract]

Components of inventories

The components of inventories follow (in millions):

	March 31, 2013		December 31, 2012
Raw materials (primarily concentrates)	$	171	$	237
Work-in-processa	237		252
Finished goodsb	1,128		911
Total product inventories	$	1,536	$	1,400
Total materials and supplies, netc	$	1,575	$	1,504

a. FCX's mining operations also have work-in-process inventories that are included in mill and leach stockpiles.

b. Primarily included molybdenum concentrates and copper concentrates, anodes, cathodes and rod.

c. Materials and supplies inventory was net of obsolescence reserves totaling $27 million at March 31, 2013, and December 31, 2012.

Summary of mill and leach stockpiles

A summary of mill and leach stockpiles follows (in millions):

	March 31, 2013		December 31, 2012
Current:
Mill stockpiles	$	112	$	104
Leach stockpiles	1,586		1,568
Total current mill and leach stockpiles	$	1,698	$	1,672
Long-term:a
Mill stockpiles	$	627	$	615
Leach stockpiles	1,454		1,340
Total long-term mill and leach stockpiles	$	2,081	$	1,955

a. Metals in stockpiles not expected to be recovered within the next 12 months.