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, 2014
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, 2014, there were issued and outstanding 1,038,713,778 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	26
Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations	27
Item 3. Quantitative and Qualitative Disclosures About Market Risk	68
Item 4. Controls and Procedures	68
Part II. Other Information	68
Item 1. Legal Proceedings	68
Item 1A. Risk Factors	68
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds	69
Item 4. Mine Safety Disclosures	69
Item 6. Exhibits	69
Signature	70
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, 2014			December 31, 2013
	(In millions)
ASSETS
Current assets:
Cash and cash equivalents	$	1,342		$	1,985
Trade accounts receivable	1,511			1,728
Other accounts receivable	866			834
Inventories:
Mill and leach stockpiles	1,772			1,705
Materials and supplies, net	1,744			1,730
Product	1,704			1,583
Other current assets	491			407
Total current assets	9,430			9,972
Property, plant, equipment and mining development costs, net	24,729			24,042
Oil and gas properties - full cost method
Subject to amortization, less accumulated amortization	12,562			12,472
Not subject to amortization	10,775			10,887
Long-term mill and leach stockpiles	2,472			2,386
Goodwill	1,916			1,916
Other assets	1,959			1,798
Total assets	$	63,843		$	63,473
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable and accrued liabilities	$	3,543		$	3,708
Current portion of debt	1,091			312
Dividends payable	333			333
Current portion of environmental and asset retirement obligations	254			236
Accrued income taxes	162			184
Total current liabilities	5,383			4,773
Long-term debt, less current portion	19,759			20,394
Deferred income taxes	7,504			7,410
Environmental and asset retirement obligations, less current portion	3,276			3,259
Other liabilities	1,695			1,690
Total liabilities	37,617			37,526
Redeemable noncontrolling interest	743			716
Equity:
FCX stockholders’ equity:
Common stock	117			117
Capital in excess of par value	22,192			22,161
Retained earnings	2,926			2,742
Accumulated other comprehensive loss	(402		)	(405		)
Common stock held in treasury	(3,683		)	(3,681		)
Total FCX stockholders’ equity	21,150			20,934
Noncontrolling interests	4,333			4,297
Total equity	25,483			25,231
Total liabilities and equity	$	63,843		$	63,473

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,
	2014			2013
	(In millions, except per share amounts)
Revenues	$	4,985		$	4,583
Cost of sales:
Production and delivery	2,737			2,719
Depreciation, depletion and amortization	966			329
Total cost of sales	3,703			3,048
Selling, general and administrative expenses	135			113
Mining exploration and research expenses	30			52
Environmental obligations and shutdown costs	6			15
Total costs and expenses	3,874			3,228
Operating income	1,111			1,355
Interest expense, net	(161		)	(57		)
Losses on early extinguishment of debt	—			(45		)
Other income (expense), net	33			(3		)
Income before income taxes and equity in affiliated companies' net earnings	983			1,250
Provision for income taxes	(357		)	(428		)
Equity in affiliated companies’ net earnings	—			2
Net income	626			824
Net income attributable to noncontrolling interests	(106		)	(176		)
Preferred dividends attributable to redeemable noncontrolling interest	(10		)	—
Net income attributable to FCX common stockholders	$	510		$	648
Net income per share attributable to FCX common stockholders:
Basic	$	0.49		$	0.68
Diluted	$	0.49		$	0.68
Weighted-average common shares outstanding:
Basic	1,038			950
Diluted	1,044			953
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,
	2014			2013
	(In millions)
Net income	$	626		$	824
Other comprehensive income, net of taxes:
Defined benefit plans:
Amortization of unrecognized amounts included in net periodic benefit costs	3			7
Unrealized losses on securities arising during the period	—			(1		)
Other comprehensive income	3			6
Total comprehensive income	629			830
Total comprehensive income attributable to noncontrolling interests	(106		)	(176		)
Preferred dividends attributable to redeemable noncontrolling interest	(10		)	—
Total comprehensive income attributable to FCX common stockholders	$	513		$	654

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,
	2014			2013
	(In millions)
Cash flow from operating activities:
Net income	$	626		$	824
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	966			329
Net losses on crude oil and natural gas derivative contracts	50			—
Stock-based compensation	28			41
Pension plans contributions	(9		)	(22		)
Net charges for environmental and asset retirement obligations, including accretion	46			34
Payments for environmental and asset retirement obligations	(45		)	(36		)
Losses on early extinguishment of debt	—			45
Deferred income taxes	90			136
Increase in long-term mill and leach stockpiles	(86		)	(126		)
Other, net	(52		)	36
(Increases) decreases in working capital and changes in other tax payments, excluding amounts from acquisition:
Accounts receivable	179			(113		)
Inventories	(180		)	(67		)
Other current assets	(34		)	(48		)
Accounts payable and accrued liabilities	(362		)	(201		)
Accrued income taxes and other tax payments	(16		)	(1		)
Net cash provided by operating activities	1,201			831
Cash flow from investing activities:
Capital expenditures:
North America copper mines	(303		)	(257		)
South America	(423		)	(226		)
Indonesia	(236		)	(191		)
Africa	(31		)	(57		)
Molybdenum mines	(19		)	(40		)
U.S. oil and gas operations	(579		)	—
Other	(21		)	(34		)
Acquisition of cobalt chemical business, net of cash acquired	—			(321		)
Other, net	7			14
Net cash used in investing activities	(1,605		)	(1,112		)
Cash flow from financing activities:
Proceeds from debt	1,149			6,615
Repayments of debt	(987		)	(39		)
Cash dividends and distributions paid:
Common stock	(326		)	(297		)
Noncontrolling interests	(77		)	(35		)
Contributions from noncontrolling interests	24			—
Debt financing costs	(25		)	(72		)
Stock-based awards net proceeds (payments), including excess tax benefit	3			(1		)
Net cash (used in) provided by financing activities	(239		)	6,171
Net (decrease) increase in cash and cash equivalents	(643		)	5,890
Cash and cash equivalents at beginning of year	1,985			3,705
Cash and cash equivalents at end of period	$	1,342		$	9,595

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, 2013	1,165	$	117	$	22,161	$	2,742		$	(405	)	127	$	(3,681	)	$	20,934		$	4,297		$	25,231
Exercised and issued stock-based awards	1	—		5		—			—			—	—			5			—			5
Stock-based compensation	—	—		26		—			—			—	—			26			—			26
Tender of shares for stock-based awards	—	—		—		—			—			—	(2		)	(2		)	—			(2		)
Dividends on common stock	—	—		—		(326		)	—			—	—			(326		)	—			(326		)
Dividends to noncontrolling interests	—	—		—		—			—			—	—			—			(70		)	(70		)
Net income attributable to FCX common stockholders	—	—		—		510			—			—	—			510			—			510
Net income attributable to noncontrolling interests	—	—		—		—			—			—	—			—			106			106
Other comprehensive income	—	—		—		—			3			—	—			3			—			3
Balance at March 31, 2014	1,166	$	117	$	22,192	$	2,926		$	(402	)	127	$	(3,683	)	$	21,150		$	4,333		$	25,483

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

7

FREEPORT-McMoRan COPPER & GOLD INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

NOTE 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, 2013. 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, 2014, are not necessarily indicative of the results that may be expected for the year ending December 31, 2014.

As further discussed in Note 2, FCX completed its acquisitions of Plains Exploration & Production Company (PXP) on May 31, 2013, and McMoRan Exploration Co. (MMR) on June 3, 2013, collectively known as FCX Oil & Gas Inc. (FM O&G). The results included in these financial statements for the three months endedMarch 31, 2013, do not include PXP's or MMR's results.

NOTE 2. ACQUISITIONS

Oil and Gas. The second-quarter 2013 acquisitions of PXP and MMR added a portfolio of oil and gas assets to FCX's global mining business, creating a U.S.-based natural resources company. The acquisitions have been accounted for under the acquisition method, with FCX as the acquirer. As further discussed in Note 6, FCX issued $6.5 billion of unsecured senior notes in March 2013 for net proceeds of $6.4 billion, which was used, together with borrowings under a $4.0 billion unsecured five-year bank term loan, to fund the cash portion of the merger consideration for both transactions, to repay certain indebtedness of PXP and for general corporate purposes.

There were no changes during the first quarter of 2014 to the preliminary purchase price allocations; however, the final valuation of assets acquired, liabilities assumed and redeemable noncontrolling interest is not complete and the net adjustments to those values may result in changes to goodwill and other carrying amounts initially assigned to the assets, liabilities and redeemable noncontrolling interest based on the preliminary fair value analysis. The principal remaining items to be valued are tax assets and liabilities, and any related valuation allowances, which will be finalized in the second quarter of 2014 in connection with the filing of related tax returns.

For further discussion of the acquisitions, refer to Note 2 in FCX's annual report on Form 10-K for the year ended December 31, 2013.

Unaudited Pro Forma Consolidated Financial Information. The following unaudited pro forma financial information has been prepared to reflect the acquisitions of PXP and MMR. The unaudited pro forma financial information combines the historical statements of income of FCX, PXP and MMR (including the pro forma effects of PXP's Deepwater Gulf of Mexico (GOM) acquisition that was completed on November 30, 2012) for the three months ended March 31, 2013, giving effect to the mergers as if they had occurred on January 1, 2012. The historical consolidated financial information has been adjusted to reflect factually supportable items that are directly attributable to the acquisitions.

	Three Months
	Ended
	March 31, 2013
	(in millions, except per share amounts)
Revenues	$	5,695
Operating income	1,580
Income from continuing operations	913
Net income attributable to FCX common stockholders	728
Net income per share attributable to FCX common stockholders:
Basic	$	0.70
Diluted	0.70

8

The unaudited pro forma consolidated information has been prepared for illustrative purposes only and is not intended to be indicative of the results of operations that actually would have occurred, or the results of operations expected in future periods, had the events reflected herein occurred on the dates indicated. The most significant pro forma adjustment to income from continuing operations for the three months ended March 31, 2013, was to exclude a $77 million gain on the sale of MMR oil and gas properties because of the application of the full cost method of accounting.

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 from FCX's Africa mining operations. For further discussion of this acquisition, refer to Note 2 in FCX’s annual report on Form 10-K for the year ended December 31, 2013.

NOTE 3. EARNINGS PER SHARE

FCX uses the two-class method to calculate earnings per share. Under the two-class method, net income is allocated to each class of common stock and participating securities as if all of the earnings for the period had been distributed. FCX’s participating securities consist of vested restricted stock units (RSUs) for which the underlying common shares are not yet issued and entitle holders to non-forfeitable dividends.

FCX’s basic net income per share of common stock was computed by dividing net income attributable to FCX common stockholders by the weighted-average of common stock outstanding during the period. Diluted net income per share of common stock was computed using the most dilutive of (a) the two-class method or (b) the treasury stock method.

The following table sets forth the computation of basic and diluted net income per share (in millions, except per share amounts):

	Three Months Ended
	March 31,
	2014				2013
Net income	$	626			$	824
Net income attributable to noncontrolling interests	(106		)		(176		)
Preferred dividends on redeemable noncontrolling interest	(10		)		—
Undistributed earnings allocated to participating securities	(1		)		—
Net income attributable to FCX common stockholders	$	509			$	648
Basic weighted-average shares of common stock outstanding	1,038				950
Add shares issuable upon exercise or vesting of dilutive stock options and restricted stock units	6			a	3
Diluted weighted-average shares of common stock outstanding	1,044				953
Basic net income per share attributable to FCX common stockholders	$	0.49			$	0.68
Diluted net income per share attributable to FCX common stockholders	$	0.49			$	0.68

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 totaled approximately two million for first-quarter 2014.

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 stock options totaled 30 million with a weighted-average exercise price of $41.04 per option for first-quarter2014 and 29 million with a weighted-average exercise price of $41.35 per option for first-quarter2013.

9

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

The components of inventories follow (in millions):

	March 31, 2014		December 31, 2013
Current inventories:
Raw materials (primarily concentrates)	$	247	$	238
Work-in-processa	188		199
Finished goodsb	1,269		1,146
Total product inventories	$	1,704	$	1,583
Mill stockpiles	$	90	$	91
Leach stockpiles	1,682		1,614
Total current mill and leach stockpiles	$	1,772	$	1,705
Total materials and supplies, netc	$	1,744	$	1,730
Long-term inventories:
Mill stockpiles	$	730	$	698
Leach stockpiles	1,742		1,688
Total long-term mill and leach stockpilesd	$	2,472	$	2,386

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

b. Primarily included molybdenum concentrates; copper concentrates, anodes, cathodes and rod; and various cobalt products.

c. Materials and supplies inventory was net of obsolescence reserves totaling $21 million at March 31, 2014, and $24 million at December 31, 2013.

d. Estimated metals in stockpiles not expected to be recovered within the next 12 months.

NOTE 5. INCOME TAXES

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

	Three Months Ended
	March 31,
	2014		2013
United States operations	$	136	$	76
International operations	221		352
Total	$	357	$	428

FCX’s consolidated effective income tax rate was 36 percent for first-quarter2014 and 34 percent for first-quarter2013. Variations in the relative proportions of jurisdictional income result in fluctuations to FCX’s consolidated effective income tax rate.

NOTE 6. DEBT AND EQUITY TRANSACTIONS

In March 2014, FCX announced that FM O&G would redeem on April 30, 2014, a total of $210 million of the aggregate principal amount of the outstanding 6.625% Senior Notes due 2021. In accordance with the terms of the senior notes, the redemption was funded with cash contributions to FM O&G by FCX in exchange for additional equity, which is eliminated in the consolidated financial statements. FCX funded its contributions with its revolving credit facility. Holders of these senior notes received the principal amount together with the redemption premium and accrued and unpaid interest to the redemption date. As a result of the redemption, FCX recorded a gain on early extinguishment of debt of $6 million in the second quarter of 2014.

In the first quarter of 2014, FCX borrowed $115 million on its short-term lines of credit. FCX has uncommitted lines of credit with certain financial institutions for up to $450 million. These unsecured lines of credit allow FCX to borrow at a spread over the London Interbank Offered Rate (LIBOR) or the respective financial institution's cost of funds with terms and pricing that are more favorable than FCX's revolving credit facility. The effective interest rate on the lines of credit was 1.19 percent at March 31, 2014.

10

In March 2014, Sociedad Minera Cerro Verde S.A.A. (Cerro Verde, FCX's mining subsidiary in Peru) entered into a five-year, $1.8 billion senior unsecured credit facility that is nonrecourse to FCX and the other shareholders of Cerro Verde. The credit facility allows for term loan borrowings up to the full amount of the facility, less any amounts issued and outstanding under a $500 million letter of credit sublimit. Interest on amounts drawn under the term loan is based on LIBOR plus a spread (currently 1.90 percent) based on Cerro Verde’s total net debt to earnings before interest, taxes, depreciation and amortization (EBITDA) ratio as defined in the agreement. Amounts may be drawn or letters of credit may be issued over a two-year period to fund a portion of Cerro Verde’s expansion project and for Cerro Verde's general corporate purposes. The credit facility amortizes in three installments in amounts necessary for the aggregate borrowings and outstanding letters of credit not to exceed 85 percent of the $1.8 billion commitment on September 30, 2017, 70 percent on March 31, 2018, and 35 percent on September 30, 2018, with the remaining balance due on the maturity date of March 10, 2019. At March 31, 2014, there were no borrowings and no letters of credit issued under Cerro Verde’s credit facility.

In February 2013, FCX entered into an agreement for a $4.0 billion unsecured term loan (the Term Loan) in connection with the second-quarter 2013 acquisitions of PXP and MMR. Upon closing the PXP acquisition, FCX borrowed $4.0 billion under the Term Loan, and Freeport-McMoRan Oil & Gas LLC (FM O&G LLC, a wholly owned subsidiary of FM O&G and the successor entity of PXP) joined the Term Loan as a borrower. Interest on the Term Loan (currently LIBOR plus 1.50 percent or the alternate base rate (ABR) plus 0.50 percent) is determined by reference to FCX's credit rating. The effective interest rate on the Term Loan was 1.65 percent at March 31, 2014.

In February 2013, FCX and PT Freeport Indonesia (PT-FI) entered into a new senior unsecured $3.0 billion revolving credit facility, which replaced FCX's existing revolving credit facility (scheduled to mature on March 30, 2016) upon completion of the acquisition of PXP on May 31, 2013. In connection with the PXP acquisition, FM O&G LLC joined the revolving credit facility as a borrower. The new revolving credit facility is available until May 31, 2018, with $500 million available to PT-FI. At March 31, 2014, there were no borrowings and $46 million of letters of credit issued under the revolving credit facility, resulting in availability of approximately $3.0 billion, of which $1.5 billion could be used for additional letters of credit.

In March 2013, in connection with the financing of FCX's second-quarter 2013 acquisitions of PXP and MMR, FCX issued $6.5 billion of unsecured senior notes in four tranches. FCX sold $1.5 billion of 2.375% Senior Notes due March 2018, $1.0 billion of 3.100% Senior Notes due March 2020, $2.0 billion of 3.875% Senior Notes due March 2023 and $2.0 billion of 5.450% Senior Notes due March 2043 for total net proceeds of $6.4 billion.

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 second-quarter 2013 acquisitions of PXP and MMR.

Consolidated interest expense (excluding capitalized interest) totaled $224 million in first-quarter2014 and $75 million in first-quarter2013. Capitalized interest totaled $63 million in first-quarter2014 ($40 million included in property, plant, equipment and mining development costs, net, and $23 million included in oil and gas properties not subject to amortization) and $18 million in first-quarter2013 (included in property, plant, equipment and mining development costs, net).

On March 26, 2014, FCX's Board of Directors declared a quarterly dividend of $0.3125 per share, which was paid on May 1, 2014, to common shareholders of record at the close of business on April 15, 2014.

11

NOTE 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 derivative contracts to hedge the market risk associated with fluctuations in the prices of commodities it purchases and sells. As a result of the acquisition of PXP, FCX assumed a variety of crude oil and natural gas commodity derivatives to hedge the exposure to the volatility of crude oil and natural gas commodity prices. Derivative financial instruments used by FCX to manage its risks do not contain credit risk-related contingent provisions. As of March 31, 2014 and 2013, FCX had no price protection contracts relating to its mine production. A discussion of FCX’s derivative 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 Commodity Exchange Inc. (COMEX), a division of the New York Mercantile Exchange (NYMEX), 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 or swap contracts. 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, 2014 and 2013, resulting from hedge ineffectiveness. At March 31, 2014, FCX held copper futures and swap contracts that qualified for hedge accounting for 63 million pounds at an average contract price of $3.13 per pound, with maturities through March 2015.

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 follows (in millions):

	Three Months Ended
	March 31,
	2014			2013
Copper futures and swap contracts:
Unrealized (losses) gains:
Derivative financial instruments	$	(12	)	$	(12	)
Hedged item – firm sales commitments	12			12
Realized losses:
Matured derivative financial instruments	(2		)	(2		)

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, 2013, 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) copper price or the COMEX copper price and the London Bullion Market Association (London) gold price 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 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 copper price or the London gold price 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 commodity derivatives at March 31, 2014, follows:

	Open Positions	Average Price Per Unit				Maturities Through
		Contract		Market
Embedded derivatives in provisional sales contracts:
Copper (millions of pounds)	487	$	3.21	$	3.01	August 2014
Gold (thousands of ounces)	55	1,314		1,293		June 2014
Embedded derivatives in provisional purchase contracts:
Copper (millions of pounds)	66	3.15		3.02		July 2014

Crude Oil and Natural Gas Contracts. As a result of the acquisition of PXP, FCX has derivative contracts for 2014 and 2015 that consist of crude oil options and natural gas swaps. These crude oil and natural gas derivatives are not designated as hedging instruments and are recorded at fair value with the mark-to-market gains and losses recorded in revenues.

The crude oil options were entered into by PXP to protect the realized price of a portion of expected future sales in order to limit the effects of crude oil price decreases. At March 31, 2014, these contracts are composed of crude oil put spreads consisting of put options with a floor limit. The premiums associated with put options are deferred until the settlement period. At March 31, 2014, the deferred option premiums and accrued interest associated with the crude oil option contracts totaled $387 million, which was included as a component of the fair value of the crude oil options contracts. At March 31, 2014, the outstanding crude oil option contracts, all of which settle monthly, follow:

			Average Strike Price (per barrel)a
Period	Instrument Type	Daily Volumes (thousand barrels)	Floor		Floor Limit		Average Deferred Premium  (per barrel)		Index
2014
Apr - Dec	Put optionsb	75	$	90	$	70	$	5.74	Brent
Apr - Dec	Put optionsb	30	95		75		6.09		Brent
Apr - Dec	Put optionsb	5	100		80		7.11		Brent
2015
Jan - Dec	Put optionsb	84	90		70		6.89		Brent

a. The average strike prices do not reflect any premiums to purchase the put options.

b. If the index price is less than the per barrel floor, FCX receives the difference between the per barrel floor and the index price up to a maximum of $20 per barrel less the option premium. If the index price is at or above the per barrel floor, FCX pays the option premium and no cash settlement is received.

In addition, at March 31, 2014, outstanding natural gas swaps with a weighted-average fixed swap price of $4.09 per million British thermal units (MMBtu) cover approximately 28 million MMBtu of natural gas, with maturities through December 2014 (on daily volumes of 100,000 MMBtu). If the Henry Hub index price is less than the fixed price, FCX receives the difference between the fixed price and the Henry Hub index price. FCX pays the difference between the index price and the fixed price if the Henry Hub index price is greater than the fixed price.

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, 2014, Atlantic Copper held net forward copper purchase contracts for 7 million pounds at an average contract price of $3.01 per pound, with maturities through April 2014.

13

Summary of Gains (Losses). 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,
	2014			2013
Embedded derivatives in provisional copper and gold
sales contractsa	$	(169	)	$	(83	)
Crude oil optionsa	(36		)	—
Natural gas swapsa	(14		)	—
Copper forward contractsb	1			3

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 commodity derivative financial instruments follows (in millions):

	March 31, 2014		December 31, 2013
Commodity Derivative Assets:
Derivatives designated as hedging instruments:
Copper futures and swap contracts:a	$	2	$	6
Derivatives not designated as hedging instruments:
Embedded derivatives in provisional copper and gold
sales/purchase contracts	13		63
Total derivative assets	$	15	$	69
Commodity Derivative Liabilities:
Derivatives designated as hedging instruments:
Copper futures and swap contractsa	$	8	$	—
Derivatives not designated as hedging instruments:
Embedded derivatives in provisional copper and gold
sales/purchase contracts	99		16
Crude oil optionsb	288		309
Natural gas swaps	10		4
Copper forward contracts	—		1
Total derivative liabilities	$	405	$	330

a. FCX paid $11 million to brokers at March 31, 2014, and $1 million at December 31, 2013, for margin requirements (recorded in other current assets).

b. Included $387 million at March 31, 2014, and $444 million at December 31, 2013, for deferred premiums and accrued interest.

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FCX's commodity contracts have netting arrangements with counterparties with which the right of offset exists, and it is FCX's policy to offset balances by counterparty on the balance sheet. FCX's embedded derivatives on provisional sales/purchases are netted with the corresponding outstanding receivable/payable balances. A summary of these unsettled commodity contracts that are offset in the balance sheet follows (in millions):

	Assets				Liabilities
	March 31, 2014		December 31, 2013		March 31, 2014		December 31, 2013
Gross amounts recognized:
Commodity contracts:
Embedded derivatives on provisional
sales/purchase contracts	$	13	$	63	$	99	$	16
Crude oil and natural gas derivatives	—		—		298		313
Copper derivatives	2		6		8		1
	15		69		405		330
Less gross amounts of offset:
Commodity contracts:
Embedded derivatives on provisional
sales/purchase contracts	2		10		2		10
Crude oil and natural gas derivatives	—		—		—		—
Copper derivatives	2		—		2		—
	4		10		4		10
Net amounts presented in balance sheet:
Commodity contracts:
Embedded derivatives on provisional
sales/purchase contracts	11		53		97		6
Crude oil and natural gas derivatives	—		—		298		313
Copper derivatives	—		6		6		1
	$	11	$	59	$	401	$	320
Balance sheet classification:
Trade accounts receivable	$	7	$	53	$	—	$	—
Other current assets	—		6		—		—
Accounts payable and accrued liabilities	4		—		302		205
Other liabilities	—		—		99		115
	$	11	$	59	$	401	$	320

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, 2014, the maximum amount of credit exposure associated with derivative transactions was $11 million.

Other Financial Instruments.  Other financial instruments include cash and cash equivalents, accounts receivable, investment securities, legally restricted funds, accounts payable and accrued liabilities, dividends payable and long-term debt. The carrying value for cash and cash equivalents (which included time deposits of $39 million at March 31, 2014, and $211 million at December 31, 2013), accounts receivable, accounts payable and accrued liabilities, and dividends payable 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, legally restricted funds and long-term debt).

In addition,FCX has non-detachable warrants, which are considered to be embedded derivative instruments, associated with FM O&G's Plains Offshore Operations Inc. (Plains Offshore) 8% Convertible Preferred Stock (Preferred Stock) (refer to Note 8 for the fair value of these instruments).

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NOTE 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 recognizes transfers between levels at the end of the reporting period. FCX did not have any significant transfers in or out of Level 1, 2 or 3 for first-quarter 2014.

A summary of the carrying amount and fair value of FCX’s financial instruments, other than cash and cash equivalents, accounts receivable, accounts payable and accrued liabilities, and dividends payable (refer to Note 7), follows (in millions):

	At March 31, 2014
	Carrying		Fair Value
	Amount		Total		Level 1		Level 2		Level 3
Assets
Investment securities (current and long-term):a,b
U.S. core fixed income fund	$	22	$	22	$	—	$	22	$	—
Money market funds	18		18		18		—		—
Equity securities	4		4		4		—		—
Total	44		44		22		22		—
Legally restricted funds (long-term):a,b,c
U.S. core fixed income fund	49		49		—		49		—
Government bonds and notes	34		34		—		34		—
Government mortgage-backed securities	32		32		—		32		—
Corporate bonds	27		27		—		27		—
Money market funds	26		26		26		—		—
Asset-backed securities	15		15		—		15		—
Municipal bonds	1		1		—		1		—
Total	184		184		26		158		—
Derivatives:a, d
Embedded derivatives in provisional sales/purchase
contracts in a gross asset position	13		13		—		13		—
Copper futures and swap contracts	2		2		1		1		—
Total	15		15		1		14		—
Total assets			$	243	$	49	$	194	$	—
Liabilities
Derivatives:a
Embedded derivatives in provisional sales/purchase
contracts in a gross liability positiond	$	99	$	99	$	—	$	99	$	—
Crude oil optionsd	288		288		—		—		288
Natural gas swapsd	10		10		—		10		—
Copper futures and swap contractsd	8		8		7		1		—
Plains Offshore warrantse	1		1		—		—		1
Total	406		406		7		110		289
Long-term debt, including current portionf	20,850		20,741		—		20,741		—
Total liabilities			$	21,147	$	7	$	20,851	$	289

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	At December 31, 2013
	Carrying		Fair Value
	Amount		Total		Level 1		Level 2		Level 3
Assets
Investment securities (current and long-term):a,b
U.S. core fixed income fund	$	21	$	21	$	—	$	21	$	—
Money market funds	18		18		18		—		—
Equity securities	5		5		5		—		—
Total	44		44		23		21		—
Legally restricted funds (long-term):a,b,c
U.S. core fixed income fund	48		48		—		48		—
Government mortgage-backed securities	34		34		—		34		—
Corporate bonds	28		28		—		28		—
Government bonds and notes	28		28		—		28		—
Money market funds	28		28		28		—		—
Asset-backed securities	15		15		—		15		—
Municipal bonds	1		1		—		1		—
Total	182		182		28		154		—
Derivatives:a, d
Embedded derivatives in provisional sales/purchase
contracts in a gross asset position	63		63		—		63		—
Copper futures and swap contracts	6		6		5		1		—
Total	69		69		5		64		—
Total assets			$	295	$	56	$	239	$	—
Liabilities
Derivatives:a
Embedded derivatives in provisional sales/purchase
contracts in a gross liability positiond	$	16	$	16	$	—	$	16	$	—
Crude oil optionsd	309		309		—		—		309
Natural gas swapsd	4		4		—		4		—
Copper forward contractsd	1		1		1		—		—
Plains Offshore warrantse	2		2		—		—		2
Total	332		332		1		20		311
Long-term debt, including current portionf	20,706		20,487		—		20,487		—
Total liabilities			$	20,819	$	1	$	20,507	$	311

a. Recorded at fair value. 

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

c. Legally restricted funds excluded $210 million of time deposits (which approximated fair value) at March 31, 2014, and December 31, 2013, associated with the Cerro Verde royalty dispute.

d. Refer to Note 7 for further discussion and balance sheet classifications. Crude oil options are net of $387 million at March 31, 2014, and $444 million at December 31, 2013, for deferred premiums and accrued interest.

e. Included in other liabilities.

f. Recorded at cost except for debt assumed in acquisitions, which were recorded at fair value at the respective acquisition dates.

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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.

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 price or a mid-evaluation price. A bid evaluation price is an estimated price at which a dealer would pay for a security. A mid-evaluation price 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 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 crude oil options are valued using an option pricing model, which uses various inputs including IntercontinentalExchange, Inc. crude oil prices, volatilities, interest rates and contract terms. FCX's derivative financial instruments for natural gas swaps are valued using a pricing model that has various inputs including NYMEX price quotations, interest rates and contract terms. Valuations are adjusted for credit quality, using the counterparties' credit quality for asset balances and FCX's credit quality for liability balances (which considers the impact of netting agreements on counterparty credit risk, including whether the position with the counterparty is a net asset or net liability). For asset balances, FCX uses the credit default swap value for counterparties when available or the spread between the risk-free interest rate and the yield rate on the counterparties' publicly traded debt for similar instruments. The 2014 natural gas swaps are classified within Level 2 of the fair value hierarchy because the inputs used in the valuation models are directly or indirectly observable for substantially the full term of the instruments. The 2014 and 2015 crude oil options are classified within Level 3 of the fair value hierarchy because the inputs used in the valuation models are not observable for substantially the full term of the instruments. The significant unobservable inputs used in the fair value measurement of the crude oil options are implied volatilities and deferred premiums. Significant increases (decreases) in implied volatilities in isolation would result in a significantly higher (lower) fair value measurement. The implied volatilities ranged from 16 percent to 38 percent, with a weighted average of 21 percent. The deferred premiums ranged from $5.15 per barrel to $7.22 per barrel, with a weighted average of $6.40 per barrel. Refer to Note 7 for further discussion of these derivative financial instruments.

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 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 based on COMEX and LME forward prices.

The fair value of warrants associated with the Plains Offshore Preferred Stock was determined with an option pricing model that used unobservable inputs. The inputs used in the valuation model are the estimated fair value of the underlying Plains Offshore common stock, expected exercise price, expected term, expected volatility and risk-free interest rate. The assumptions used in the valuation model are highly subjective because the common stock of Plains Offshore is not publicly traded. As a result, these warrants are classified within Level 3 of the fair value hierarchy.

Long-term debt, including the current portion, is not actively traded and is valued using prices obtained from a readily available pricing source and, as such, is classified within Level 2 of the fair value hierarchy.

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A summary of the changes in the fair value of FCX's Level 3 instruments follows (in millions):

	Crude Oil				Plains Offshore
	Options				Warrants
Fair value at December 31, 2013	$	(309	)		$	(2	)
Net realized losses	(1		)	a	—
Net unrealized (losses) gains included in earnings related to assets and liabilities still held at the end of the period	(36		)	b	1			c
Settlement payments	58				—
Fair value at March 31, 2014	$	(288	)		$	(1	)

a. Recorded in revenues.

b. Included net unrealized losses of $35 million recorded in revenues and $1 million of interest expense associated with the deferred premiums.

c. Recorded in other income (expense), net.

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, 2014.

NOTE 9. CONTINGENCIES AND COMMITMENTS

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

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

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

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

NOTE 10. BUSINESS SEGMENTS

FCX has organized its operations into six primary divisions – North America copper mines, South America mining, Indonesia mining, Africa mining, Molybdenum mines and U.S. oil and gas operations. Notwithstanding this structure, FCX internally reports information on a mine-by-mine basis for its mining operations. Therefore, FCX concluded that its operating segments include individual mines or operations relative to its mining operations. For oil and gas operations, FCX determines its operating segments on a country-by-country basis. Operating segments that meet certain thresholds are reportable segments.

Intersegment Sales. Intersegment sales between FCX’s mining 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 other divisions, including Atlantic Copper and on 25 percent of PT-FI's 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.

19

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 an 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 level. In addition, most mining exploration and research activities are managed on a consolidated basis, and those costs along with some selling, general and administrative costs are not allocated to the operating divisions or individual 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)	Mining Operations
	North America Copper Mines								South America								Indonesia			Africa
																										Atlantic			Other									Corporate,
																						Molyb-				Copper			Mining						U.S.			Other
			Other						Cerro		Candel-		Other									denum		Rod &		Smelting			& Elimi-				Total		Oil & Gas			& Elimi-				FCX
	Morenci		Mines			Total			Verde		aria		Mines		Total		Grasberg			Tenke		Mines		Refining		& Refining			nations				Mining		Operations			nations				Total
Three Months Ended March 31, 2014
Revenues:
Unaffiliated customers	$	23	$	61		$	84		$	280	$	128	$	294	$	702	$	462	a	$	306	$	—	$	1,146	$	588		$	436		b	$	3,724	$	1,261	c	$	—			$	4,985
Intersegment	444		758			1,202			64		128		4		196		8			21		126		8		5			(1,566		)		—		—			—				—
Production and delivery	283		503			786			165		150		161		476		383			152		76		1,148		588			(1,183		)		2,426		311			—				2,737
Depreciation, depletion and amortization	34		73			107			36		19		32		87		48			51		22		2		10			19				346		616			4				966
Selling, general and administrative expenses	—		1			1			1		—		1		2		21			3		—		—		4			7				38		57			40				135
Mining exploration and research expenses	—		2			2			—		—		—		—		—			—		—		—		—			28				30		—			—				30
Environmental obligations and shutdown costs	—		—			—			—		—		—		—		—			—		—		—		—			6				6		—			—				6
Operating income (loss)	150		240			390			142		87		104		333		18			121		28		4		(9		)	(7		)		878		277			(44		)		1,111
Interest expense, net	1		—			1			—		—		—		—		—			—		—		—		4			18				23		76			62				161
Provision for income taxes	—		—			—			57		36		34		127		18			24		—		—		—			—				169		—			188				357
Total assets at March 31, 2014	3,412		5,827			9,239			6,757		1,591		2,468		10,816		7,466			4,904		2,101		289		951			1,119				36,885		26,385			573				63,843
Capital expenditures	244		59			303			400		10		13		423		236			31		19		1		1			10				1,024		579			9				1,612
Three Months Ended March 31, 2013
Revenues:
Unaffiliated customers	$	80	$	45		$	125		$	290	$	253	$	307	$	850	$	864	a	$	438	$	—	$	1,330	$	633		$	341		b	$	4,581	$	—		$	2			$	4,583
Intersegment	436		824			1,260			109		55		—		164		67			—		143		7		6			(1,647		)		—		—			—				—
Production and delivery	297		502			799			171		167		137		475		563			185		80		1,328		628			(1,342		)		2,716		—			3				2,719
Depreciation, depletion and amortization	33		69			102			33		9		29		71		55			58		20		3		10			8				327		—			2				329
Selling, general and administrative expenses	—		1			1			—		1		—		1		26			3		—		—		5			9				45		—			68				113
Mining exploration and research expenses	—		—			—			—		—		—		—		—			—		—		—		—			49				49		—			3				52
Environmental obligations and shutdown costs	—		(4		)	(4		)	—		—		—		—		—			—		—		—		—			19				15		—			—				15
Operating income (loss)	186		301			487			195		131		141		467		287			192		43		6		(4		)	(49		)		1,429		—			(74		)		1,355
Interest expense, net	1		—			1			—		—		—		—		2			—		—		—		4			20				27		—			30				57
Provision for income taxes	—		—			—			64		44		43		151		120			44		—		—		—			—				315		—			113				428
Total assets at March 31, 2013	2,589		5,783			8,372			5,968		1,852		2,507		10,327		6,862			4,894		2,033		316		918			1,078				34,800		—			7,788			d	42,588
Capital expenditures	153		104			257			164		40		22		226		191			57		40		1		8			17				797		—			8				805

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

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

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

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

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NOTE 11. GUARANTOR FINANCIAL STATEMENTS

As further discussed in Note 6, in March 2013, FCX completed the sale of $6.5 billion of senior notes. These notes, along with FCX's senior notes sold in February 2012, are fully and unconditionally guaranteed on a senior basis jointly and severally by FM O&G LLC, as guarantor, which is a 100 percent owned subsidiary of FM O&G and FCX. The guarantee is an unsecured obligation of the guarantor and ranks equal in right of payment with all existing and future indebtedness of FCX, including indebtedness under the revolving credit facility. The guarantee ranks senior in right of payment with all future subordinated obligations and is effectively subordinated in right of payment to any debt of FCX's subsidiaries that are not subsidiary guarantors. In the future, FM O&G LLC's guarantee may be released or terminated for certain obligations under the following circumstances: (i) all or substantially all of the equity interests or assets of FM O&G LLC are sold to a third party; or (ii) FM O&G LLC no longer has any obligations under any FM O&G Senior Notes or any refinancing thereof and no longer guarantees any obligations of FCX under the revolver, the term loan or any other senior debt.

The following condensed consolidating financial information includes information regarding FCX, as issuer, FM O&G LLC, as guarantor, and all other non-guarantor subsidiaries of FCX. Included are the condensed consolidating balance sheets at March 31, 2014, and December 31, 2013, and the related condensed consolidating statements of comprehensive income and cash flows for the three months ended March 31, 2014, which should be read in conjunction with FCX's notes to the consolidated financial statements (in millions):

CONDENSED CONSOLIDATING BALANCE SHEET

March 31, 2014

	FCX			FM O&G LLC		Non-guarantor					Consolidated
	Issuer			Guarantor		Subsidiaries		Eliminations			FCX
ASSETS
Current assets:
Cash and cash equivalents	$	—		$	2	$	1,340	$	—		$	1,342
Accounts receivable	22			324		2,088		(57		)	2,377
Other current assets	102			107		5,502		—			5,711
Total current assets	124			433		8,930		(57		)	9,430
Property, plant, equipment and mining development costs, net	26			45		24,658		—			24,729
Oil and gas properties, net - full cost method:
Subject to amortization, less accumulated amortization	—			6,331		6,223		8			12,562
Not subject to amortization	—			2,524		8,251		—			10,775
Investments in consolidated subsidiaries	31,628			9,939		12,680		(54,247		)	—
Goodwill	—			437		1,479		—			1,916
Other assets	7,478			4,687		4,293		(12,027		)	4,431
Total assets	$	39,256		$	24,396	$	66,514	$	(66,323	)	$	63,843
LIABILITIES AND EQUITY
Current liabilities	$	1,244		$	879	$	3,317	$	(57	)	$	5,383
Long-term debt, less current portion	12,585			6,967		8,809		(8,602		)	19,759
Deferred income taxes	4,246		a	—		3,258		—			7,504
Environmental and asset retirement obligations, less current portion	—			305		2,971		—			3,276
Other liabilities	31			3,409		1,680		(3,425		)	1,695
Total liabilities	18,106			11,560		20,035		(12,084		)	37,617
Redeemable noncontrolling interest	—			—		743		—			743
Equity:
Stockholders' equity	21,150			12,836		41,864		(54,700		)	21,150
Noncontrolling interests	—			—		3,872		461			4,333
Total equity	21,150			12,836		45,736		(54,239		)	25,483
Total liabilities and equity	$	39,256		$	24,396	$	66,514	$	(66,323	)	$	63,843

a. All U.S. related deferred income taxes are recorded at the parent company.

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CONDENSED CONSOLIDATING BALANCE SHEET

December 31, 2013

	FCX			FM O&G LLC		Non-guarantor					Consolidated
	Issuer			Guarantor		Subsidiaries		Eliminations			FCX
ASSETS
Current assets:
Cash and cash equivalents	$	—		$	—	$	1,985	$	—		$	1,985
Accounts receivable	855			659		2,258		(1,210		)	2,562
Other current assets	114			38		5,273		—			5,425
Total current assets	969			697		9,516		(1,210		)	9,972
Property, plant, equipment and mining development costs, net	27			43		23,972		—			24,042
Oil and gas properties, net - full cost method:
Subject to amortization, less accumulated amortization	—			6,207		6,265		—			12,472
Not subject to amortization	—			2,649		8,238		—			10,887
Investment in consolidated subsidiaries	31,162			9,712		12,468		(53,342		)	—
Goodwill	—			437		1,479		—			1,916
Other assets	7,126			4,640		4,128		(11,710		)	4,184
Total assets	$	39,284		$	24,385	$	66,066	$	(66,262	)	$	63,473
LIABILITIES AND EQUITY
Current liabilities	$	1,003		$	758	$	4,222	$	(1,210	)	$	4,773
Long-term debt, less current portion	13,184			7,199		8,056		(8,045		)	20,394
Deferred income taxes	4,137		a	—		3,273		—			7,410
Environmental and asset retirement obligations, less current portion	—			301		2,958		—			3,259
Other liabilities	26			3,436		1,893		(3,665		)	1,690
Total liabilities	18,350			11,694		20,402		(12,920		)	37,526
Redeemable noncontrolling interest	—			—		716		—			716
Equity:
Stockholders' equity	20,934			12,691		41,100		(53,791		)	20,934
Noncontrolling interests	—			—		3,848		449			4,297
Total equity	20,934			12,691		44,948		(53,342		)	25,231
Total liabilities and equity	$	39,284		$	24,385	$	66,066	$	(66,262	)	$	63,473

a. All U.S. related deferred income taxes are recorded at the parent company.

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME

Three Months Ended March 31, 2014

	FCX			FM O&G LLC			Non-guarantor						Consolidated
	Issuer			Guarantor			Subsidiaries			Eliminations			FCX
Revenues	$	—		$	644		$	4,341		$	—		$	4,985
Total costs and expenses	11			526			3,339			(2		)	3,874
Operating (loss) income	(11		)	118			1,002			2			1,111
Interest expense, net	(82		)	(41		)	(58		)	20			(161		)
Other income (expense), net	20			—			33			(20		)	33
Provision for income taxes	(21		)	(43		)	(292		)	(1		)	(357		)
Equity in affiliated companies' net earnings (losses)	604			130			185			(919		)	—
Net income (loss)	510			164			870			(918		)	626
Net income and preferred dividends attributable to noncontrolling interests	—			—			(111		)	(5		)	(116		)
Net income (loss) attributable to FCX common stockholders	$	510		$	164		$	759		$	(923	)	$	510
Other comprehensive income	—			—			3			—			3
Total comprehensive income (loss)	$	510		$	164		$	762		$	(923	)	$	513

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CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

Three Months Ended March 31, 2014

	FCX			FM O&G LLC			Non-guarantor						Consolidated
	Issuer			Guarantor			Subsidiaries			Eliminations			FCX
Cash flow from operating activities:
Net income (loss)	$	510		$	164		$	870		$	(918	)	$	626
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Depreciation, depletion and amortization	1			285			682			(2		)	966
Net losses on crude oil and natural gas derivative contracts	—			50			—			—			50
Equity in (earnings) losses of consolidated subsidiaries	(604		)	(130		)	(185		)	919			—
Other, net	134			(9		)	(140		)	(13		)	(28		)
(Increases) decreases in working capital and changes in other tax payments, excluding amounts from acquisition	(234		)	339			(518		)	—			(413		)
Net cash (used in) provided by operating activities	(193		)	699			709			(14		)	1,201
Cash flow from investing activities:
Capital expenditures	—			(335		)	(1,277		)	—			(1,612		)
Intercompany loans	190			(43		)	—			(147		)	—
Investment in consolidated subsidiary	212			(96		)	(430		)	314			—
Other, net	—			4			3			—			7
Net cash provided by (used in) investing activities	402			(470		)	(1,704		)	167			(1,605		)
Cash flow from financing activities:
Proceeds from debt	895			—			254			—			1,149
Repayments of debt	(780		)	—			(207		)	—			(987		)
Intercompany loans	—			(213		)	66			147			—
Cash dividends and distributions paid	(326		)	(14		)	237			(300		)	(403		)
Other, net	2			—			—			—			2
Net cash (used in) provided by financing activities	(209		)	(227		)	350			(153		)	(239		)
Net increase (decrease) in cash and cash equivalents	—			2			(645		)	—			(643		)
Cash and cash equivalents at beginning of period	—			—			1,985			—			1,985
Cash and cash equivalents at end of period	$	—		$	2		$	1,340		$	—		$	1,342

NOTE 12. NEW ACCOUNTING STANDARD

In April 2014, the Financial Accounting Standards Board issued an Accounting Standards Update (ASU), which revises the guidance for reporting discontinued operations. This ASU amends the definition of a discontinued operation and requires additional disclosures about disposal transactions that do not meet the definition of a discontinued operation. For public entities, this ASU is effective for annual periods beginning on or after December 15, 2014, and interim periods within that year. Early adoption is permitted, but only for disposals (or classifications as held for sale) that have not been reported in financial statements previously issued or available for issuance. FCX adopted this ASU in the first quarter of 2014.

NOTE 13. SUBSEQUENT EVENTS

On May 7, 2014, FCX announced that FM O&G LLC had entered into a definitive purchase and sale agreement to sell its Eagle Ford shale assets for $3.1 billion to a subsidiary of Encana Corporation. After-tax net proceeds from the transaction are expected to be used to fund the acquisition of additional Deepwater GOM assets (refer to further discussion below), with the balance used to repay outstanding indebtedness. The transaction is expected to close by the end of second-quarter 2014, subject to customary closing conditions and purchase price adjustments from the April 1, 2014, effective date until closing. Under full cost accounting rules, proceeds from the sale or disposition of oil and gas properties are accounted for as an adjustment to capitalized costs, with no gain or loss recognized, unless there is a significant change in proved reserves, which absent other factors is generally described as a 25 percent or greater change and significantly alters the relationship between capitalized costs and proved oil and gas reserves attributable to a cost center. As the Eagle Ford shale assets represent less than 25 percent FCX’s proved oil and natural gas reserves for its U.S. cost center at December 31, 2013, no gain or loss is expected to be recorded on the transaction.

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On May 8, 2014, FCX announced that FM O&G LLC had entered into a definitive purchase and sale agreement to acquire certain of Apache Corporation’s interests in the Deepwater GOM for $1.4 billion, including interests in the Lucius and Heidelberg development projects and 11 exploration leases. This transaction is expected to be funded with proceeds from the sale of FM O&G LLC’s Eagle Ford shale assets (refer to further discussion above) and is expected to close by the end of second-quarter 2014, subject to preferential rights and other customary closing conditions and purchase price adjustments from the May 1, 2014, effective date until closing.

FCX evaluated events after March 31, 2014, 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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REVIEW 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, 2014, and the related consolidated statements of income, comprehensive income and cash flows for the three-month periods ended March 31, 2014 and 2013, and the consolidated statement of equity for the three-month period ended March 31, 2014. 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 (United States), 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, 2013, and the related consolidated statements of income, comprehensive income, cash flows, and equity for the year then ended (not presented herein), and we expressed an unqualified audit opinion on those consolidated financial statements in our report dated February 27, 2014. In our opinion, the accompanying condensed consolidated balance sheet of Freeport-McMoRan Copper & Gold Inc. as of December 31, 2013, 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 9, 2014

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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, 2013, 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.

OVERVIEW

We are a premier U.S.-based natural resources company with an industry-leading global portfolio of mineral assets, significant oil and gas resources and a growing production profile. We are the world's largest publicly traded copper producer. Our portfolio of assets includes the Grasberg minerals district in Indonesia, one of the world's largest copper and gold deposits; significant mining operations in North and South America; the Tenke Fungurume (Tenke) minerals district in the Democratic Republic of Congo (DRC) in Africa; and significant oil and natural gas assets in the U.S., including reserves in the Deepwater Gulf of Mexico (GOM), onshore and offshore California, in the Eagle Ford shale play in Texas, in the Haynesville shale play in Louisiana, in the Madden area in central Wyoming, and an industry-leading position in the emerging Inboard Lower Tertiary/Cretaceous natural gas trend in the shallow waters of the GOM and onshore in South Louisiana.

As further discussed in Note 13, in May 2014, we announced that Freeport-McMoRan Oil & Gas LLC, a wholly owned subsidiary of FCX Oil & Gas Inc. (FM O&G), had entered into separate agreements to (i) sell its Eagle Ford shale assets for $3.1 billion to a subsidiary of Encana Corporation and (ii) acquire certain of Apache Corporation’s interests in the Deepwater GOM for $1.4 billion. These transactions are expected to close by the end of second-quarter 2014, and we estimate combined after-tax net proceeds from the transactions will approximate $1.3 billion, which will be used to repay outstanding indebtedness following the close of the transactions. Our 2014 estimates and projections included in this quarterly report do not reflect the impact of these recently announced transactions.

Our results for first-quarter2014, compared with first-quarter2013, primarily reflect lower sales volumes in Indonesia because of restrictions on concentrate exports and lower copper price realizations, partly offset by the inclusion of the results of FM O&G in first-quarter 2014. Refer to "Consolidated Results" for further discussion of our consolidated financial results for the three months ended March 31, 2014 and 2013.

In January 2014, the Indonesian government published regulations regarding exports of minerals, including copper concentrates. The regulations provide that holders of contracts of work with existing processing facilities in Indonesia could continue to export product through January 12, 2017, but established new requirements for the continued export of copper concentrates, including the imposition of a progressive export duty on copper concentrates. To date, PT Freeport Indonesia (PT-FI) has not received authorization from the Indonesian government to export copper concentrate. Refer to “Operations - Indonesia” for further discussion.

At March 31, 2014, we had $1.3 billion in consolidated cash and cash equivalents and $20.9 billion in total debt. We continue to target significant reductions in debt by the end of 2016 using cash flows generated above capital expenditures and other cash requirements. Refer to Note 6 and "Capital Resources and Liquidity" for further discussion.

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

27

OUTLOOK

We view the long-term outlook for our business positively, supported by limitations on supplies of copper and oil and by the requirements for copper and oil in the world’s economy. Our financial results vary as a result of fluctuations in market prices primarily for copper, gold, molybdenum and oil, as well as 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 for our mining operations, cash production costs per barrel of oil equivalent (BOE) for our oil and gas operations and operating cash flow. The outlook for each of these measures follows.

Sales Volumes.  Following are our projected consolidated sales volumes for the year 2014:

Copper (millions of recoverable pounds):
North America copper mines	1,720
South America mining	1,210
Indonesia mining	930	a
Africa mining	440
	4,300
Gold (millions of recoverable ounces):
Indonesia mining	1.5	a
North and South America mining	0.1
	1.6
Molybdenum (millions of recoverable pounds)	97	b
Oil Equivalents (million BOE, or MMBOE)	64.2	c

a. This estimate assumes resumption of exports from PT-FI beginning in May 2014. To the extent PT-FI is unable to resume exports in May 2014, this would result in a deferral of approximately 50 million pounds of copper and 80 thousand ounces of gold per month.

b. Projected molybdenum sales include 49 million pounds produced at our Molybdenum mines and 48 million pounds produced at our North and South America copper mines.

c. This estimate does not reflect the impact of the recently announced transactions to sell the Eagle Ford shale assets and to acquire certain additional interests in the Deepwater GOM.

Consolidated sales for second-quarter2014 are expected to approximate 1.1 billion pounds of copper, 320 thousand ounces of gold, 24 million pounds of molybdenum and 15.2 MMBOE. Projected sales volumes are dependent on a number of factors, including operational performance, the impact of newly enacted Indonesian governmental laws and regulations and other factors.

Mining Unit Net Cash Costs. Assuming average prices of $1,300 per ounce of gold and $10 per pound of molybdenum for the remainder of2014, and achievement of current sales volume and cost estimates, which assumes the resumption of exports from PT-FI beginning in May 2014, consolidated unit net cash costs (net of by-product credits) for our copper mines are expected to average $1.58 per pound of copper in second-quarter 2014 and $1.41 per pound of copper for the year 2014. Quarterly unit net cash costs vary with fluctuations in sales volumes and average realized prices (primarily gold and molybdenum prices). The impact of price changes for the remainder of 2014 on consolidated unit net cash costs would approximate $0.017 per pound for each $50 per ounce change in the average price of gold and $0.015 per pound for each $2 per pound change in the average price of molybdenum. Refer to “Consolidated Results – Production and Delivery Costs” for further discussion of consolidated production and delivery costs for our mining operations.

Oil and Gas Cash Production Costs per BOE. Based on current sales volume and cost estimates for the remainder of2014, cash production costs are expected to approximate $19 per BOE for the year 2014. Refer to “Operations – Oil and Gas” for further discussion of oil and gas production costs.

Consolidated Operating Cash Flow. Our consolidated operating cash flows vary with prices realized from copper, gold, molybdenum and oil sales, our sales volumes, production costs, income taxes, other working capital changes and other factors. Based on current sales volume and cost estimates, which assumes the resumption of exports from PT-FI beginning in May 2014, and assuming average prices of $3.00 per pound of copper, $1,300 per ounce of

28

gold, $10 per pound of molybdenum and $105 per barrel of Brent crude oil for the remainder of2014, consolidated operating cash flows are estimated to approximate $7.7 billion for the year 2014. Projected consolidated operating cash flows for the year 2014 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 2014). The impact of price changes during the remainder of2014 on operating cash flows would approximate $275 million for each $0.10 per pound change in the average price of copper, $60 million for each $50 per ounce change in the average price of gold, $85 million for each $2 per pound change in the average price of molybdenum and $100 million for each $5 per barrel change in the price of Brent crude oil above $100 per barrel.

MARKETS

Metals.World prices for copper, gold and molybdenum can fluctuate significantly. During the period from January 2004 through April 2014, the London Metal Exchange (LME) spot copper price varied from a low of $1.06 per pound in 2004 to a record high of $4.60 per pound in 2011, the London Bullion Market Association (London) PM gold price fluctuated from a low of $375 per ounce in 2004 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 $7.35 per pound in 2004 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, 2013.

This graph presents LME spot copper prices and the combined reported stocks of copper at the LME, Commodity Exchange Inc. (COMEX), a division of the New York Mercantile Exchange (NYMEX), and the Shanghai Futures Exchange from January 2004 through April 2014. 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-quarter2014, copper prices declined because of concerns about slowing growth rates in China and an outlook for higher near-term supplies. LME spot copper prices ranged from a low of $2.92 per pound to a high of $3.38 per pound, averaged $3.19 per pound, and closed at $3.01 per pound on March 31, 2014.

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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 long-term supply environment. Future copper prices are expected to be volatile and are likely to be influenced by demand from China and emerging markets, as well as 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. LME spot copper prices closed at $3.05 per pound on April 30, 2014.

This graph presents London PM gold prices from January 2004 through April 2014. An improving economic outlook and positive equity performance contributed to lower demand for gold in 2013 and early 2014, resulting in generally lower prices. During first-quarter2014, London PM gold prices ranged from a low of $1,221 per ounce to a high of $1,385 per ounce, averaged $1,293 per ounce and closed at $1,292 per ounce on March 31, 2014. Gold prices closed at $1,289 per ounce on April 30, 2014.

This graph presents the Metals Week Molybdenum Dealer Oxide weekly average prices from January 2004 through April 2014. Market conditions for molybdenum declined in 2013 because of weak demand in the metallurgical sector and increased supply, but have shown improvement in first-quarter 2014. During first-quarter2014, the weekly

30

average price of molybdenum ranged from a low of $9.70 per pound to a high of $10.41 per pound, averaged $9.96 per pound and was $10.41 on March 31, 2014. The Metals Week Molybdenum Dealer Oxide weekly average price was $12.69 per pound on April 30, 2014.

Oil and Gas.Market prices for crude oil and natural gas can fluctuate significantly. During the period from January 2004 through April 2014, the Brent crude oil price ranged from a low of $28.83 per barrel in 2004 to a high of $146.08 per barrel in 2008 and the NYMEX natural gas price fluctuated from a low of $2.04 per million British thermal units (MMBtu) in 2012 to a high of $13.91 per MMBtu in 2005. Crude oil and natural gas 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, 2013.

This graph presents Brent crude oil prices and NYMEX natural gas contract prices from January 2004 through April 2014. Crude oil prices reached a record high in July 2008 as economic growth in emerging economies and the U.S. created high global demand for oil and lower inventories. By the end of 2008, financial turmoil in the U.S. contributed to a global economic slowdown and a decline in many commodity prices, including crude oil which reached a low of $36.61 per barrel in December 2008. Higher prices since that time have been supported by a gradually improving global economy and demand outlook. During first-quarter2014, the Brent crude oil price ranged from a low of $105.75 per barrel to a high of $111.20 per barrel, averaged $107.84 per barrel and was $107.76 per barrel on March 31, 2014. The Brent crude oil price was $108.07 per barrel on April 30, 2014.

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CONSOLIDATED RESULTS

	Three Months Ended
	March 31,
	2014			2013a
SUMMARY FINANCIAL DATA	(in millions, except per share amounts)
Revenuesb	$	4,985	c,d	$	4,583	c
Operating incomeb	$	1,111	c,d,e	$	1,355	c,f
Net income attributable to FCX common stockholdersg	$	510	c,d,e	$	648	c,f,h
Diluted net income per share attributable to FCX common stockholders	$	0.49	c,d,e	$	0.68	c,f,h
Diluted weighted-average common shares outstanding	1,044			953
Operating cash flowsi	$	1,201		$	831
Capital expenditures	$	1,612		$	805
At March 31:
Cash and cash equivalents	$	1,342		$	9,595	j
Total debt, including current portion	$	20,850		$	10,092

a. Results for first-quarter 2013 do not include FM O&G.

b.Following is a summary of revenues and operating income by operating division (in millions):

Revenues	2014			2013
North America copper mines	$	1,286		$	1,385
South America mining	898			1,014
Indonesia mining	470			931
Africa mining	327			438
Molybdenum mines	126			143
Rod & Refining	1,154			1,337
Atlantic Copper Smelting & Refining	593			639
U.S. oil & gas operations	1,261			—
Other mining, corporate, other & eliminations	(1,130		)	(1,304		)
Total FCX revenues	$	4,985		$	4,583
Operating income (loss)
North America copper mines	$	390		$	487
South America mining	333			467
Indonesia mining	18			287
Africa mining	121			192
Molybdenum mines	28			43
Rod & Refining	4			6
Atlantic Copper Smelting & Refining	(9		)	(4		)
U.S. oil & gas operations	277			—
Other mining, corporate, other & eliminations	(51		)	(123		)
Total FCX operating income	$	1,111		$	1,355

c. Includes unfavorable adjustments to provisionally priced concentrate and cathode sales recognized in prior periods totaling $124 million ($66 million to net income attributable to common stockholders or $0.06 per share) in first-quarter2014 and $11 million ($5 million to net income attributable to common stockholders or $0.01 per share) in first-quarter2013. Refer to “Revenues” for further discussion. 

d. Includes net noncash mark-to-market gains totaling $15 million ($9 million to net income attributable to common stockholders or $0.01 per share) associated with crude oil and natural gas derivative contracts. Refer to "Revenues" for further discussion.

e. Includes $53 million ($28 million to net income attributable to common stockholders or $0.03 per share) of fixed costs charged directly to cost of sales as a result of the impact of export restrictions on PT-FI's operating rates.

f. Includes transaction and related costs principally associated with the oil and gas acquisitions totaling $14 million ($10 million to net income attributable to common stockholders or $0.01 per share).

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

h. Includes losses on early extinguishment of debt totaling $40 million to net income attributable to FCX common stockholders ($0.04 per share) related to the termination of the acquisition bridge loan facilities. Refer to Note 6 for further discussion.

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i. Includes net working capital uses and changes in other tax payments of $413 million for first-quarter2014 and $430 million for first-quarter2013.

j. Includes net proceeds of $6.4 billion from the March 2013 sale of senior notes that were used to fund the second-quarter 2013 oil and gas acquisitions.

	Three Months Ended
	March 31,
	2014		2013a
SUMMARY OPERATING DATA
Copper (recoverable)
Production (millions of pounds)	948		980
Sales, excluding purchases (millions of pounds)	871		954
Average realized price per pound	$	3.14	$	3.51
Site production and delivery costs per poundb	$	1.89	$	1.94
Unit net cash costs per poundb	$	1.54	$	1.57
Gold (recoverable)
Production (thousands of ounces)	231		235
Sales, excluding purchases (thousands of ounces)	187		214
Average realized price per ounce	$	1,300	$	1,606
Molybdenum (recoverable)
Production (millions of pounds)	24		22
Sales, excluding purchases (millions of pounds)	27		25
Average realized price per pound	$	11.21	$	12.75
Oil Equivalents
Sales volumes:
MMBOE	16.1
Thousand BOE (MBOE) per day	179
Cash operating margin per BOE:c
Realized revenues	$	77.22
Cash production costs	18.51
Cash operating margin	$	58.71

a. Results for first-quarter 2013 do not include FM O&G.

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

c. Cash operating margin for oil and gas operations reflects realized revenues less cash production costs. Realized revenues exclude noncash mark-to-market adjustments on derivative contracts, and cash production costs exclude accretion and other costs. For reconciliations of realized revenues and cash production costs per BOE to revenues and production and delivery costs reported in our consolidated financial statements, refer to "Product Revenues and Production Costs."

Revenues

Consolidated revenues totaled $5.0 billion in first-quarter2014, compared with $4.6 billion in first-quarter2013, and primarily included the sale of copper concentrates, copper cathodes, copper rod, gold, molybdenum, silver and cobalt hydroxide, and in first-quarter2014 the sale of oil, natural gas and natural gas liquids (NGLs) by our oil and gas operations.

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Following is a summary of changes in our consolidated revenues between periods (in millions):

	Three Months Ended March 31
Consolidated revenues - 2013 period	$	4,583
Mining operations:
(Lower) higher sales volumes from mining operations:
Copper	(293		)
Gold	(45		)
Molybdenum	26
Lower price realizations from mining operations:
Copper	(322		)
Gold	(57		)
Molybdenum	(42		)
Unfavorable impact of net adjustments for prior period provisionally priced copper sales for mining operations	(113		)
Lower Atlantic Copper revenues	(46		)
Lower revenues from purchased copper	(67		)
Other, including intercompany eliminations	100
Oil and gas operations:
Oil and gas revenues, including realized cash losses on derivative contracts	1,246
Net noncash mark-to-market gains on crude oil and natural gas derivative contracts	15
Consolidated revenues - 2014 period	$	4,985

Mining Sales Volumes

Consolidated copper sales volumes decreased to 871 million pounds in first-quarter2014, compared with 954 million pounds in first-quarter2013, and consolidated gold sales volumes decreased to 187 thousand ounces in first-quarter2014, compared with 214 thousand ounces in first-quarter2013. Lower copper and gold sales volumes primarily reflected lower volumes from PT-FI because of the post-January 12, 2014, restrictions on concentrate exports from Indonesia, which resulted in a deferral of approximately 125 million pounds of copper and 140 thousand ounces of gold in first-quarter2014. Consolidated molybdenum sales volumes increased to 27 million pounds in first-quarter2014, compared with 25 million pounds in first-quarter2013. Refer to “Operations” for further discussion of sales volumes at our mining operations.

Metal Price Realizations

Our consolidated revenues can vary significantly as a result of fluctuations in the market prices of copper, gold and molybdenum. Following is a summary of our average price realizations from mining operations for the first quarters of 2014 and 2013:

	Three Months Ended
	March 31,
	2014		2013
Copper (per pound)	$	3.14	$	3.51
Gold (per ounce)	$	1,300	$	1,606
Molybdenum (per pound)	$	11.21	$	12.75

We generally recognized lower price realizations from our mining operations in first-quarter2014, compared with first-quarter2013. Refer to "Markets" for further discussion.

Provisionally Priced Copper Sales

During first-quarter2014, 43 percent of our mined copper was sold in concentrate, 30 percent as cathode and 27 percent as rod from our North America operations. Impacts of net adjustments for prior period provisionally priced sales primarily relates to copper sales. 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

34

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 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 is a summary of the unfavorable impacts of net adjustments to the prior periods' provisionally priced copper sales for the first quarters of 2014 and 2013 (in millions, except per share amounts):

	Three Months Ended
	March 31,
	2014			2013
Revenues	$	(124	)	$	(11	)
Net income attributable to FCX common stockholders	$	(66	)	$	(5	)
Net income per share attributable to FCX common stockholders	$	(0.06	)	$	(0.01	)

At March 31, 2014, we had provisionally priced copper sales at our copper mining operations, primarily South America and Indonesia, totaling 332 million pounds of copper (net of intercompany sales and noncontrolling interests) recorded at an average of $3.01 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, 2014, provisional price recorded would have an approximate $11 million impact on 2014 net income attributable to common stockholders. The LME spot copper price closed at $3.05 per pound on April 30, 2014.

Purchased Copper

From time to time, we purchase copper cathode for processing by our Rod & Refining segment when production from our North America copper mines does not meet customer demand.

Oil & Gas Revenues

Consolidated sales of 16.1 MMBOE during first-quarter2014 included 11.8 million barrels (MMBbls) of crude oil, 19.5 billion cubic feet (Bcf) of natural gas and 1.1 MMBbls of NGLs. Refer to “Operations” for further discussion of sales volumes at our oil and gas operations.

In connection with the acquisition of Plains Exploration & Production Company (PXP), we have derivative contracts for 2014 and 2015 that consist of crude oil options and natural gas swaps. These crude oil and natural gas derivative contracts are not designated as hedging instruments; accordingly, they are recorded at fair value with the mark-to-market gains and losses recorded in revenues each period. Net charges to revenues for crude oil and natural gas derivative contracts totaled $50 million in first-quarter2014, reflecting charges of $65 million ($39 million to net income attributable to common stockholders or $0.04 per share) for payments on derivative contracts, partly offset by net noncash mark-to-market gains totaling $15 million ($9 million to net income attributable to common stockholders or $0.01 per share).

Following presents the estimated (increase) decrease in the net liability on our balance sheet of a 10 percent change in Brent crude oil and NYMEX forward natural gas prices , compared with forward prices used to determine the fair values at March 31, 2014 (in millions):

	10% Increase			10% Decrease
Crude oil puts	$	(59	)	$	135
Natural gas swaps	(11		)	11
	$	(70	)	$	146

Refer to Note 7 for further discussion of the oil and gas derivative contracts.

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Production and Delivery Costs

Consolidated production and delivery costs totaled $2.7 billion in both first-quarter 2014 and 2013. Excluding production and delivery costs associated with oil and gas operations of $311 million for first-quarter2014, production and delivery costs for our mining operations primarily reflected lower volumes from PT-FI because of the post-January 12, 2014, restrictions on concentrate exports from Indonesia and lower refined copper sales.

Consolidated unit site production and delivery costs (before net noncash and other costs) for our copper mines were $1.89 per pound of copper in first-quarter2014, compared with $1.94 per pound of copper in first-quarter2013. First-quarter2014 consolidated unit site production and delivery costs exclude $0.06 per pound of copper for fixed costs charged directly to cost of sales as a result of the impact of export restrictions on PT-FI's operating rates. Assuming achievement of current volume and cost estimates, which assumes the resumption of exports from PT-FI beginning in May 2014, consolidated unit site production and delivery costs are expected to average $1.88 per pound of copper for the remainder of2014. 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, most of which is obtained from third parties under long-term contracts. Energy costs are expected to approximate 20 percent of our consolidated copper production costs for the year 2014, including purchases of approximately 270 million gallons of diesel fuel; 7,930 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); 705 thousand metric tons of coal for our coal power plant in Indonesia; and 1 MMBtu of natural gas at certain of our North America mines.

Depreciation, Depletion and Amortization

Consolidated depreciation, depletion and amortization expense totaled $966 million in first-quarter2014 (which included $616 million for our oil and gas operations) and $329 million in first-quarter2013. 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 mining and oil and gas operations.

Selling, General and Administrative Expenses

Consolidated selling, general and administrative expenses totaled $135 million in first-quarter2014 (which included $57 million for our oil and gas operations), compared with $113 million in first-quarter2013. Excluding selling, general and administrative expenses associated with oil and gas operations, lower expense primarily reflected lower incentive compensation costs. Additionally, first-quarter 2013 included $14 million of transaction and related costs principally associated with the oil and gas acquisitions.

Mining Exploration and Research Expenses

Consolidated exploration and research expenses for our mining operations totaled $30 million in first-quarter2014 and$52 million in first-quarter2013. We are actively conducting exploration activities near our existing mines with a focus on opportunities to expand reserves and resources to support development of additional future production capacity in the large mineral districts where we currently operate. 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 significantly expanded sulfide production.

For the year 2014, exploration and research expenditures for our mining operations are expected to approximate $150 million, including $120 million for exploration.

Under the full cost method of accounting, exploration costs for our oil and gas operations are capitalized to oil and gas properties.

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

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totaled $6 million in first-quarter2014, compared with $15 million in first-quarter2013. 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) increased to $224 million in first-quarter2014, compared with $75 million in first-quarter2013, reflecting additional interest expense associated with acquisition-related debt. Refer to Note 6 for further discussion.

Capitalized interest is related to the level of expenditures for our development projects and average interest rates on our borrowings, and totaled $63 million in first-quarter2014, compared to $18 million in first-quarter2013. The increase in first-quarter2014 primarily reflected higher average qualifying assets, average debt balances and average interest expense. Refer to “Capital Resources and Liquidity - Investing Activities” for further discussion of current development projects.

Losses on Early Extinguishment of Debt

Losses on early extinguishment of debt totaled $45 million for first-quarter2013 related to the termination of the bridge loan facilities for the oil and gas acquisitions.

Provision for Income Taxes

Following is a summary of the approximate amounts used in the calculation of our consolidated provision for income taxes for the first quarters of 2014 and 2013 (in millions, except percentages):

	Three Months Ended							Three Months Ended
	March 31, 2014							March 31, 2013
	Incomea		Effective Tax Rate		Income Tax Provision			Incomea		Effective Tax Rate	Income Tax Provision
U.S.	$	473	29%		$	(136	)	$	325	22%	$	(71	)
South America	344		37%		(127		)	443		34%	(151		)
Indonesia	44		42%		(18		)	279		43%	(120		)
Africa	80		30%		(24		)	143		31%	(44		)
Eliminations and other	42		N/A		(11		)	60		N/A	(10		)
Annualized rate adjustmentb	—		N/A		(41		)	—		N/A	(32		)
Consolidated FCX	$	983	36%	c	$	(357	)	$	1,250	34%	$	(428	)

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 result in fluctuations to our consolidated effective income tax rate. Assuming average prices of $3.00 per pound for copper, $1,300 per ounce for gold, $10 per pound for molybdenum and Brent crude oil of $105 per barrel for the remainder of2014 and achievement of current sales volume and cost estimates, we estimate that our consolidated effective tax rate will approximate 36 percent for the year 2014. As further discussed in "Operations - Indonesia Mining," we are working with the Indonesian government to reach a resolution that would enable PT-FI to resume exports of concentrates. A reduction in income from PT-FI relative to our consolidated income during 2014 would generate a lower consolidated effective income tax rate for the year.

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OPERATIONS

North America Copper Mines

We operate seven open-pit copper mines in North America – Morenci, Bagdad, Safford, Sierrita and Miami in Arizona, and Chino and Tyrone in New Mexico. All of the North America mining operations are wholly owned, except for Morenci. We record our 85 percent joint venture interest in Morenci using the proportionate consolidation method.

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 (our wholly owned copper smelter). Molybdenum concentrate is also produced by certain of our North America copper mines.

Operating and Development Activities. We have increased production from our North America copper mines in recent years and continue to evaluate a number of opportunities to invest in additional production capacity following positive exploration results. Future investments will be undertaken based on the results of economic and technical feasibility studies and market conditions.

Morenci Mill Expansion. We are expanding mining and milling capacity to process additional sulfide ores identified through exploratory drilling. The project is targeting incremental annual production of approximately 225 million pounds of copper beginning in 2014 (an approximate 40 percent increase from 2013) through an increase in milling rates to approximately 115,000 metric tons of ore per day. Construction is in an advanced stage, and we expect to begin commissioning and start-up activities during second-quarter 2014. At full rates, Morenci's copper production is expected to approach 1 billion pounds in 2015, compared with 564 million pounds in 2013. At March 31, 2014, $1.3 billion had been incurred for this project ($0.3 billion during first-quarter2014), with approximately $0.3 billion remaining to be incurred.

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Operating Data. Following is summary operating data for the North America copper mines for the first quarters of 2014 and 2013:

	Three Months Ended
	March 31,
	2014		2013
Operating Data, Net of Joint Venture Interest
Copper (recoverable)
Production (millions of pounds)	385		343
Sales, excluding purchases (millions of pounds)	371		353
Average realized price per pound	$	3.24	$	3.60
Molybdenum (millions of recoverable pounds)
Productiona	8		8
100% Operating Data
SX/EW operations
Leach ore placed in stockpiles (metric tons per day)	983,100		1,000,100
Average copper ore grade (percent)	0.24		0.22
Copper production (millions of recoverable pounds)	229		209
Mill operations
Ore milled (metric tons per day)	255,300		250,600
Average ore grade (percent):
Copper	0.42		0.39
Molybdenum	0.03		0.03
Copper recovery rate (percent)	86.1		84.3
Copper production (millions of recoverable pounds)	182		158

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

Copper sales volumes from our North America copper mines increased to 371 million pounds in first-quarter2014, compared with 353 million pounds in first-quarter2013, reflecting higher production at most mines primarily because of higher ore grades.

North America's copper production is expected to continue to grow in 2014 following the completion of the Morenci mill expansion project. Copper sales from our North America copper mines are expected to approximate 1.7 billion pounds for the year 2014, compared with 1.4 billion pounds in 2013. 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 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 Molybdenum

The following tables summarize unit net cash costs and gross profit per pound at our North America copper mines for the first quarters of 2014 and 2013. 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.

39

	Three Months Ended								Three Months Ended
	March 31, 2014								March 31, 2013
	By- Product Method			Co-Product Method					By- Product Method			Co-Product Method
				Copper			Molyb- denuma					Copper		Molyb- denuma
Revenues, excluding adjustments	$	3.24		$	3.24		$	10.00	$	3.60		$	3.60	$	11.75
Site production and delivery, before net noncash and other costs shown below	1.88			1.86			2.48		1.99			1.94		3.27
By-product credits	(0.22		)	—			—		(0.26		)	—		—
Treatment charges	0.13			0.13			—		0.13			0.13		—
Unit net cash costs	1.79			1.99			2.48		1.86			2.07		3.27
Depreciation, depletion and amortization	0.29			0.27			0.08		0.28			0.27		0.20
Noncash and other costs, net	0.08			0.08			0.02		0.09			0.09		0.03
Total unit costs	2.16			2.34			2.58		2.23			2.43		3.50
Revenue adjustments, primarily for pricing on prior period open sales	(0.02		)	(0.02		)	—		—			—		—
Gross profit per pound	$	1.06		$	0.88		$	7.42	$	1.37		$	1.17	$	8.25
Copper sales (millions of recoverable pounds)	369			369					352			352
Molybdenum sales (millions of recoverable pounds)a							8							8

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. Average unit net cash costs (net of by-product credits) of $1.79 per pound of copper in first-quarter2014 were lower than unit net cash costs of $1.86 per pound in first-quarter2013, primarily reflecting higher copper sales volumes.

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 $10 per pound of molybdenum for the remainder of2014, average unit net cash costs (net of by-product credits) for our North America copper mines are expected to approximate $1.75 per pound of copper for the year 2014, compared with $1.87 per pound in 2013. North America's unit net cash costs for the remainder of 2014 would change by approximately $0.03 per pound for each $2 per pound change in the average price of molybdenum.

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 the Candelaria and Ojos del Salado mining complex. All operations in South America are consolidated in our financial statements.

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. In addition to copper, the Candelaria and Ojos del Salado mines produce gold and silver, and the Cerro Verde mine produces molybdenum concentrates.

Development Activities.

Cerro Verde Expansion. Construction activities associated with a large-scale expansion at Cerro Verde are in progress. Engineering is substantially complete and construction is advancing on schedule. The project 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. At March 31, 2014, $1.9 billion had been incurred for this project (approximately $0.4 billion during first-quarter2014), with approximately $2.7 billion remaining to be incurred. Considering the long-term nature and large size of the project, actual costs could vary from these estimates.

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El Abra Sulfide. We continue to evaluate a potential large-scale milling operation at El Abra to process additional sulfide material and to achieve higher recoveries. Exploration results in recent years at El Abra indicate a significant sulfide resource, which could potentially support a major mill project. Future investments will be dependent on technical studies, economic factors and global copper market conditions.

Operating Data. Following is summary operating data for our South America mining operations for the first quarters of 2014 and 2013:

	Three Months Ended
	March 31,
	2014		2013
Copper (recoverable)
Production (millions of pounds)	314		298
Sales (millions of pounds)	307		285
Average realized price per pound	$	3.07	$	3.48
Gold (recoverable)
Production (thousands of ounces)	21		21
Sales (thousands of ounces)	23		21
Average realized price per ounce	$	1,307	$	1,617
Molybdenum (millions of recoverable pounds)
Productiona	3		2
SX/EW operations
Leach ore placed in stockpiles (metric tons per day)	286,700		262,800
Average copper ore grade (percent)	0.50		0.50
Copper production (millions of recoverable pounds)	123		109
Mill operations
Ore milled (metric tons per day)	188,700		188,600
Average ore grade:
Copper (percent)	0.59		0.58
Gold (grams per metric ton)	0.10		0.11
Molybdenum (percent)	0.02		0.02
Copper recovery rate (percent)	90.0		90.8
Copper production (millions of recoverable pounds)	191		189

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

Consolidated copper sales volumes from South America totaled 307 million pounds in first-quarter2014, compared to 285 million pounds in first-quarter2013, primarily reflecting higher mining rates and timing of shipments.

Consolidated sales volumes from South America mines are expected to approximate 1.2 billion pounds of copper for the year 2014, compared with sales of 1.3 billion pounds of copper in 2013, primarily reflecting lower ore grades at Candelaria and Cerro Verde. 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.

41

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 of 2014 and 2013. 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, 2014						March 31, 2013
	By-Product Method			Co-Product Method			By-Product Method			Co-Product Method
Revenues, excluding adjustments	$	3.07		$	3.07		$	3.48		$	3.48
Site production and delivery, before net noncash and other costs shown below	1.50			1.39			1.62			1.49
By-product credits	(0.25		)	—			(0.29		)	—
Treatment charges	0.17			0.17			0.18			0.18
Unit net cash costs	1.42			1.56			1.51			1.67
Depreciation, depletion and amortization	0.28			0.27			0.25			0.23
Noncash and other costs, net	0.06			0.06			0.05			0.03
Total unit costs	1.76			1.89			1.81			1.93
Revenue adjustments, primarily for pricing on prior period open sales	(0.24		)	(0.24		)	(0.05		)	(0.05		)
Gross profit per pound	$	1.07		$	0.94		$	1.62		$	1.50
Copper sales (millions of recoverable pounds)	307			307			285			285

Our South America mines have varying cost structures because of differences in ore grades and characteristics, processing costs, by-product credits and other factors. Unit net cash costs (net of by-product credits) averaged $1.42 per pound of copper in first-quarter2014, compared with $1.51 per pound in first-quarter2013, primarily reflecting higher copper sales volumes.

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 $1,300 per ounce of gold and $10 per pound of molybdenum for the remainder of2014, we estimate that average unit net cash costs (net of by-product credits) for our South America mining operations would approximate $1.55 per pound of copper for the year 2014, compared with $1.43 per pound in 2013.

Indonesia Mining

Indonesia mining includes PT-FI’s Grasberg minerals district. We own 90.64 percent of PT-FI, including 9.36 percent owned through our wholly owned subsidiary, PT Indocopper Investama.

PT-FI produces copper concentrates, which contain significant quantities of gold and silver. Substantially all of PT-FI’s copper concentrates are sold under long-term contracts, of which approximately one-half is sold to Atlantic Copper and PT Smelting and the remainder to 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 3 in our annual report on Form 10-K for the year ended December 31, 2013, for discussion of our joint ventures with Rio Tinto.

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Refer to "Risk Factors" contained in Part I, Item 1A of our annual report on Form 10-K for the year ended December 31, 2013, for discussion of risks associated with operations in Indonesia.

Regulatory Matters. In January 2014, the Indonesian government published regulations providing that holders of contracts of work with existing processing facilities in Indonesia may continue to export product through January 12, 2017, but established new requirements for the continued export of copper concentrates, including the imposition of a progressive export duty on copper concentrates in the amount of 25 percent in 2014, rising to 60 percent by mid-2016. PT-FI’s COW, which has a primary term through 2021 and allows for two 10-year extensions through 2041 (subject to approval by the Indonesian government, which cannot be withheld or delayed unreasonably), authorizes it to export concentrates and specifies the taxes and other fiscal terms available to its operations. The COW states that PT-FI shall not be subject to taxes, duties or fees subsequently imposed or approved by the Indonesian government except as expressly provided in the COW. Additionally, PT-FI complied with the requirements of its COW for local processing by arranging for the construction and commissioning of Indonesia's only copper smelter and refinery, which is owned by PT Smelting. Prior to the January 12, 2014, regulations on exporting copper concentrates, approximately 40 percent of PT-FI’s production during 2014 had been expected to be shipped to PT Smelting, with the balance of its concentrates expected to be sold pursuant to long-term contracts with other international smelters.

To date, PT-FI has not received authorization from the Indonesian government to export copper concentrate. The January 12, 2014, regulations and the imposition of an export duty conflict with PT-FI’s contractual rights under its COW. We are working with the Indonesian government to reach a resolution that would enable PT-FI to resume exports of copper concentrates.

As a result of the delay in obtaining approvals for 2014 exports, PT-FI has implemented changes to its operations to align its concentrate production with PT Smelting’s operating plans. During first-quarter 2014, PT-FI’s milling rate averaged 118,000 metric tons of ore per day, which is approximately half of normal rates. In the event that PT-FI is unable to conduct normal operations for an extended period, PT-FI intends to implement plans to reduce operating costs, defer capital expenditures and implement workforce reductions. PT-FI may also be required to declare force majeure under its concentrate sales agreements.

Operating and Development Activities. We have several projects in progress in the Grasberg minerals district related to the development of the large-scale, long-lived, 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 transition from the Grasberg open pit, currently anticipated to occur in 2017. Over the next five years, estimated aggregate capital spending on these projects is currently expected to average $0.9 billion per year ($0.7 billion per year net to PT-FI). Considering the long-term nature and large size of these projects, actual costs could vary from these estimates. PT-FI may reduce or defer these activities pending resolution of export restrictions and other Indonesia regulatory matters.

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 Mine. In 2004, PT-FI 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-FI 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 2010. Development of the DMLZ and Grasberg Block Cave underground mines is advancing using the Common Infrastructure project tunnels as access.

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 expected to commence in 2017, at the end of mining the Grasberg open pit. 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 $5.2 billion (incurred between 2008 and 2021), with PT-FI’s share totaling approximately

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$4.6 billion. Aggregate project costs totaling $1.4 billion have been incurred through March 31, 2014 ($93 million during first-quarter2014).

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. Drilling efforts continue to determine the extent of this ore body. Aggregate mine development capital costs for the DMLZ mine are expected to approximate $2.6 billion (incurred between 2009 to 2020), with PT-FI’s share totaling approximately $1.5 billion. Aggregate project costs totaling $0.9 billion have been incurred through March 31, 2014 ($68 million during first-quarter2014).

Operating Data. Following is summary operating data for our Indonesia mining operations for the first quarters of 2014 and 2013:

	Three Months Ended
	March 31,
	2014		2013
Operating Data, Net of Joint Venture Interest
Copper (recoverable)
Production (millions of pounds)	140		219
Sales (millions of pounds)	109		198
Average realized price per pound	$	3.04	$	3.43
Gold (recoverable)
Production (thousands of ounces)	208		212
Sales (thousands of ounces)	162		191
Average realized price per ounce	$	1,299	$	1,604
100% Operating Data
Ore milled (metric tons per day):a
Grasberg open pit	65,800		137,400
DOZ underground mineb	50,300		59,000
Big Gossan underground minec	1,900		3,000
Total	118,000		199,400
Average ore grades:
Copper (percent)	0.73		0.66
Gold (grams per metric ton)	0.79		0.52
Recovery rates (percent):
Copper	88.5		88.5
Gold	79.4		71.8
Production (recoverable):
Copper (millions of pounds)	144		219
Gold (thousands of ounces)	209		212

a. Amounts represent the approximate average daily throughput processed at PT-FI’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 in second-quarter 2015, pending approval of export permits as described above.

c. Production from the Big Gossan underground mine is expected to ramp up to 7,000 metric tons of ore per day in 2017; however, production is currently suspended pending resolution of the export regulatory matter described above.

Indonesia's sales volumes decreased to 109 million pounds of copper and 162 thousand ounces of gold for first-quarter2014, compared with 198 million pounds of copper and 191 thousand ounces of gold for first-quarter2013, primarily because of lower milling rates as a result of the restrictions on concentrate exports from Indonesia, which resulted in the deferral of approximately 125 million pounds of copper and 140 thousand ounces of gold in first-quarter2014.

At the Grasberg mine, the sequencing of mining areas with varying ore grades causes fluctuations in quarterly and annual production of copper and gold. Consolidated sales volumes from our Indonesia mining operations are

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expected to approximate 0.9 billion pounds of copper and 1.5 million ounces of gold for 2014, compared with 0.9 billion pounds of copper and 1.1 million ounces of gold in 2013. These estimates assume resumption of exports from PT-FI beginning in May 2014. To the extent PT-FI is unable to resume exports in May 2014, this will result in a deferral of approximately 50 million pounds of copper and 80 thousand ounces of gold per month. Upon a favorable resolution of the restrictions on exports, sales from Indonesia mining are expected to increase through 2016 as PT-FI gains access to higher grade ore.

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 of 2014 and 2013. 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, 2014									March 31, 2013
	By-Product Method				Co-Product Method					By-Product Method			Co-Product Method
					Copper			Gold					Copper		Gold
Revenues, excluding adjustments	$	3.04			$	3.04		$	1,299	$	3.43		$	3.43	$	1,604
Site production and delivery, before net noncash and other costs shown below	3.33				2.01			859		2.61			1.77		826
Gold and silver credits	(2.15		)		—			—		(1.63		)	—		—
Treatment charges	0.24				0.15			62		0.23			0.15		71
Royalty on metals	0.11				0.07			31		0.13			0.09		42
Unit net cash costs	1.53				2.23			952		1.34			2.01		939
Depreciation and amortization	0.44				0.26			114		0.28			0.19		88
Noncash and other costs, net	0.67			a	0.41			174		0.26			0.18		83
Total unit costs	2.64				2.90			1,240		1.88			2.38		1,110
Revenue adjustments, primarily for pricing on prior period open sales	(0.53		)		(0.53		)	107		0.01			0.01		(8		)
PT Smelting intercompany profit	0.49				0.30			129		0.02			0.02		8
Gross profit (loss) per pound/ounce	$	0.36			$	(0.09	)	$	295	$	1.58		$	1.08	$	494
Copper sales (millions of recoverable pounds)	109				109					198			198
Gold sales (thousands of recoverable ounces)								162							191

a. Includes $0.49 per pound of fixed costs charged directly to cost of sales as a result of the impact of export restrictions on PT-FI's operating rates.

A significant portion of PT-FI's costs are fixed and unit costs vary depending on production volumes. Indonesia's unit net cash costs (net of gold and silver credits) of $1.53 per pound of copper in first-quarter2014, were higher than unit net cash costs of $1.34 per pound in first-quarter2013, primarily reflecting lower 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-FI’s unit depreciation rate varies with the level of copper production and sales.

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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.

PT Smelting intercompany profit represents the change in the elimination of 25 percent of PT-FI's sales to PT Smelting.

Based on current sales volume and cost estimates, which assumes the resumption of exports from PT-FI beginning in May 2014, and assuming an average gold price of $1,300 per ounce for the remainder of2014, Indonesia's unit net cash costs (net of gold and silver credits) are expected to approximate $0.70 per pound of copper for the year 2014, compared with $1.12 for the year 2013. Indonesia's projected unit net cash costs would change by approximately $0.075 per pound for each $50 per ounce change in the average price of gold for the remainder of2014. 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 volumes.

Africa Mining

Africa mining includes Tenke Fungurume Mining S.A.R.L's (TFM) 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 through our consolidated subsidiary TFM, and we are the operator of Tenke.

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.

Operating and Development Activities. TFM completed its second phase expansion project in early 2013, which included increasing mine, mill and processing capacity. The expanded mill's throughput rates averaged 14,500 metric tons per day for first-quarter 2014, compared with the project's design capacity of 14,000 metric tons of ore per day. We continue to engage in exploration activities and metallurgical testing to evaluate the potential of the highly prospective minerals district at Tenke. These analyses are being incorporated in future plans for potential expansions of production capacity. 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 of 2014 and 2013:

	Three Months Ended
	March 31,
	2014		2013
Copper (recoverable)
Production (millions of pounds)	109		120
Sales (millions of pounds)	84		118
Average realized price per pounda	$	3.07	$	3.40
Cobalt (contained)
Production (millions of pounds)	7		6
Sales (millions of pounds)	8		6
Average realized price per pound	$	9.21	$	7.28
Ore milled (metric tons per day)	14,500		14,600
Average ore grades (percent):
Copper	4.05		4.44
Cobalt	0.33		0.32
Copper recovery rate (percent)	94.7		93.7

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

Copper sales from TFM decreased to 84 million pounds in first-quarter2014, compared to 118 million pounds in first-quarter2013, primarily reflecting timing of shipments and lower grade ore.

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For the year 2014, we expect sales volumes from TFM to approximate 440 million pounds of copper and 30 million pounds of cobalt, compared with 454 million pounds of copper and 25 million pounds of cobalt for the year 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 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 of 2014 and 2013. 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, 2014								March 31, 2013
	By-Product Method			Co-Product Method					By-Product Method			Co-Product Method
				Copper			Cobalt					Copper		Cobalt
Revenues, excluding adjustmentsa	$	3.07		$	3.07		$	9.21	$	3.40		$	3.40	$	7.28
Site production and delivery, before net noncash and other costs shown below	1.48			1.22			5.16		1.39			1.33		4.18
Cobalt creditsb	(0.66		)	—			—		(0.23		)	—		—
Royalty on metals	0.07			0.06			0.16		0.07			0.06		0.13
Unit net cash costs	0.89			1.28			5.32		1.23			1.39		4.31
Depreciation, depletion and amortization	0.61			0.53			0.80		0.49			0.46		0.69
Noncash and other costs, net	0.08			0.08			0.12		0.04			0.04		0.06
Total unit costs	1.58			1.89			6.24		1.76			1.89		5.06
Revenue adjustments, primarily for pricing on prior period open sales	(0.01		)	(0.01		)	0.24		0.01			0.01		0.38
Gross profit per pound	$	1.48		$	1.17		$	3.21	$	1.65		$	1.52	$	2.60
Copper sales (millions of recoverable pounds)	84			84					118			118
Cobalt sales (millions of contained pounds)							8							6

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 $0.89 per pound of copper in first-quarter2014 were lower than unit net cash costs of $1.23 per pound in first-quarter2013, primarily reflecting higher cobalt credits, partly offset by lower copper sales volumes.

Because certain assets are depreciated on a straight-line basis, Africa's 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 cobalt market price of $12 per pound for the remainder of2014, average unit net cash costs (net of cobalt credits) are expected to approximate $1.22 per pound of copper for the year 2014, compared with $1.21 per pound in 2013. 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 of2014.

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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 of 2014 and 2013:

	Three Months Ended
	March 31,
	2014	2013
Molybdenum mines operating data
Molybdenum production (millions of recoverable pounds)	13	12
Ore milled (metric tons per day)	39,500	35,900
Average molybdenum ore grade (percent)	0.19	0.20

Market conditions for molybdenum declined in 2013 resulting from weak demand in the metallurgical sector and increased supply. While prices have improved somewhat during 2014, we continue to monitor market conditions and may make adjustments to our primary molybdenum production as market conditions warrant. 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.

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 Henderson and Climax molybdenum mines for the first quartersof 2014 and 2013. 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,
	2014		2013
Revenues, excluding adjustmentsa	$	10.76	$	12.55
Site production and delivery, before net noncash and other costs shown below	5.87		6.37
Treatment charges and other	0.84		0.95
Unit net cash costs	6.71		7.32
Depreciation, depletion and amortization	1.75		1.62
Noncash and other costs, net	0.11		0.15
Total unit costs	8.57		9.09
Gross profit	$	2.19	$	3.46
Molybdenum production (millions of recoverable pounds)a	13		12

a. 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.

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Average unit net cash costs for our Molybdenum mines decreased to $6.71 per pound of molybdenum in first-quarter2014, compared with $7.32 per pound in first-quarter2013, primarily reflecting lower input costs and treatment charges. Assuming achievement of current sales volume and cost estimates, unit net cash costs for our molybdenum mines are expected to average approximately $7.25 per pound of molybdenum for the year 2014.

Smelting & Refining

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. Our North America copper mines are less significantly affected by changes in treatment and refining charges because these operations are largely integrated with our wholly owned smelter located in Miami, Arizona.

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-quarter2014, Atlantic Copper purchased 31 percent of its concentrate requirements from our South America mining operations, 25 percent from our North America copper mines and 8 percent from our Indonesia mining operations, with the remainder purchased from third parties. Through this form of downstream integration, we are assured placement of a significant portion of our concentrate production.

We defer recognizing profits on sales from our mining operations to Atlantic Copper and on 25 percent of Indonesia mining's 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 to net income attributable to common stockholders totaling $16 million in first-quarter2014, compared with $25 million in first-quarter2013. Our net deferred profits on inventories at Atlantic Copper and PT Smelting to be recognized in future periods’ net income attributable to common stockholders totaled $76 million at March 31, 2014. 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.

Oil and Gas Operations

As further discussed in Note 2, in second-quarter 2013, we acquired oil and gas operations by completing the acquisitions of PXP and McMoRan Exploration Co. (MMR), collectively FM O&G. Our oil and gas operations provide exposure to energy markets with positive fundamentals, strong margins and cash flows and a large resource base with financially attractive exploration and development opportunities. The portfolio of assets includes significant oil production and growth potential in the Deepwater GOM, strong oil production from the onshore Eagle Ford shale play in Texas, established oil production onshore and offshore California, large onshore natural gas resources in the Haynesville shale play in Louisiana, natural gas production from the Madden area in central Wyoming, and an industry-leading position in the emerging Inboard Lower Tertiary/Cretaceous natural gas trend located in the shallow waters of the GOM and onshore in South Louisiana. More than 90 percent of our oil and gas revenues are from oil and NGLs.

As further discussed in Note 13, in May 2014, we announced that Freeport-McMoRan Oil & Gas LLC had entered into separate agreements to sell its Eagle Ford shale assets and to acquire certain additional interests in the Deepwater GOM. Our 2014 estimates and projections included in this quarterly report do not reflect the impact of these recently announced transactions.

As discussed in Note 1 to our annual report on Form 10-K for the year ended December 31, 2013, our oil and gas operations follow the full cost method of accounting whereby all costs associated with oil and gas property acquisition, exploration and development activities are capitalized into cost centers on a country-by-country basis. Capitalized costs, along with estimated future costs to develop proved reserves, are amortized to expense under the unit-of-production method using estimates of the related proved oil and natural gas reserves. The costs of unproved oil and gas properties are excluded from amortization until the properties are evaluated, at which time the related costs are subject to amortization. Under the full cost accounting rules, a "ceiling test" is conducted each quarter to review the carrying value of our oil and gas properties for impairment. At March 31, 2014, the ceiling with respect to our U.S. oil and gas properties exceeded the net capitalized costs by approximately 1 percent; therefore, no impairment was recorded.

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Exploration and Development Activities. Our oil and gas business has significant proved, probable and possible reserves with financially attractive organic growth opportunities. The portfolio includes a broad range of development opportunities and high-potential exploration prospects. The business is being managed to reinvest its cash flows in projects with attractive rates of returns and risk profiles.

Capital expenditures for our oil and gas operations totaled $581 million for first-quarter 2014, including $277 million incurred for GOM (principally Deepwater), $127 million for Eagle Ford, $126 million for the Inboard Lower Tertiary/Cretaceous natural gas trend and $53 million for California. Capital expenditures for our oil and gas operations, which are expected to be funded by its operating cash flows, are projected to approximate $3 billion for the year 2014, including $1.5 billion incurred for the Deepwater GOM, $0.4 billion for Eagle Ford and $0.3 billion for the Inboard Lower Tertiary/Cretaceous natural gas trend.

See "Financial and Operating Data" below for further discussion of our current oil and gas operations.

Financial and Operating Data. Following is summary operating results for the oil and gas operations:

	Three Months Ended
	March 31, 2014
Sales Volumes
Oil (MMBbls)	11.8
Natural gas (Bcf)	19.5
NGLs (MMBbls)	1.1
MMBOE	16.1
Average Realizationsa
Oil (per barrel)	$	93.76
Natural gas(per MMbtu)	$	4.67
NGLs (per barrel)	$	45.47
Gross Profit per BOE
Realized revenuesa	$	77.22
Less: cash production costsa	18.51
Cash operating margina	58.71
Less: depreciation, depletion and amortization	38.21
Less: accretion and other costs	0.78
Plus: net noncash mark-to-market gains on derivative contracts	0.90
Plus: other net adjustments	0.04
Gross profit	$	20.66

a. Cash operating margin for our oil and gas operations reflects realized revenues less cash production costs. Realized revenues exclude noncash mark-to-market adjustments on derivative contracts, and cash production costs exclude accretion and other costs. For reconciliations of realized revenues (including average realizations for oil, natural gas and NGLs) and cash production costs per BOE to revenues and production and delivery costs reported in our consolidated financial statements, refer to "Product Revenues and Production Costs."

Realized revenues for our oil and gas operations totaled $1.2 billion ($77.22 per BOE) and cash production costs totaled $298 million ($18.51 per BOE) in first-quarter2014. Based on current sales volume and cost estimates for the remainder of 2014, cash production costs are expected to approximate $19 per BOE for the year 2014.

In first-quarter2014, our average realized price for crude oil was $93.76 per barrel, net of $4.86 per barrel associated with payments on derivative contracts. Excluding the impact of derivative contracts, our average realized price for crude oil was $98.62 per barrel in first-quarter2014 (91 percent of the average Brent crude oil price of $107.84 per barrel).

Our average realized price for natural gas was $4.67 per MMBtu in first-quarter2014. Excluding the impact of derivative contracts, the average realized price for natural gas was $5.05 per MMBtu in first-quarter2014, compared to the NYMEX natural gas price average of $4.92 per MMBtu for the January through March 2014 contracts.

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The following table presents average sales volumes per day by region for our oil and gas operations:

	Three Months Ended
	March 31, 2014
Sales Volumes (MBOE per day):
GOMa	70
Eagle Ford	53
California	39
Haynesville/Madden/Other	17
Total oil and gas operations	179

a. Includes sales from properties in the shallow waters of the GOM and in the Deepwater GOM. Production from the shallow waters of the GOM totaled 12 MBOE per day (17 percent of the GOM total).

Daily sales volumes averaged 179 MBOE in first-quarter2014, including 131 MBbls of crude oil, 216 MMcf of natural gas and 12 MBbls of NGLs. Oil and gas sales volumes are expected to average 176 MBOE per day for the year 2014, comprised of 71 percent oil, 23 percent natural gas and 6 percent NGLs. Annual estimates are approximately 10 MBOE per day higher than estimates reported in our annual report on Form 10-K for the year ended December 31, 2013, primarily related to a deferral of the planned shut-in at Marlin from 2014 to 2015.

Gulf of Mexico.Multiple development and exploration opportunities have been identified in the Deepwater GOM that are expected to benefit from tie-back opportunities to available production capacity at the FM O&G operated large-scale Holstein, Marlin and Horn Mountain deepwater production platforms.

In March 2014, FM O&G was the apparent high bidder on 20 tracts in the Central Gulf of Mexico Oil and Gas Lease Sale 231 with a total investment of approximately $330 million net to FM O&G. The winning bids were primarily focused on high-impact, drillable targets in the Mississippi Canyon, Atwater Valley and Green Canyon areas to complement FM O&G’s existing infrastructure and production facilities and add several new exploration plays. The blocks, which cover approximately 106,000 gross acres, range in water depths up to 6,000 feet. The bids are subject to approval by the U.S. Bureau of Ocean Energy Management (BOEM), and FM O&G expects to be notified and designated as the operator of these blocks by third-quarter 2014.

Holstein, in which FM O&G has a 100 percent working interest, is located in Green Canyon and has production facilities capable of producing in excess of 100 MBOE per day. Drilling from the Holstein platform rig commenced in first-quarter 2014. Over the 2014 to 2016 period, FM O&G expects to drill seven sidetrack wells from the Holstein platform. In April 2014, the first sidetrack well was successful and completion operations have commenced. During this period, FM O&G also plans to drill five subsea tie-back wells from contracted drillships to enhance production volumes from the spar. Near-term tie-back prospects in the Holstein area include Holstein Deep and Copper.

The Holstein Deep development, in which FM O&G has a 100 percent working interest, is located four miles west of the Holstein platform. FM O&G acquired the acreage associated with this development in the 2013 lease sale held by the BOEM. Two successful wells had previously been drilled and encountered approximately 500 net feet of oil pay in recent years. FM O&G plans to delineate this prospect during 2014.

The Copper exploration prospect, in which FM O&G has a 100 percent working interest, is located southeast of the Holstein field in 4,400 feet of water and is a subsea tie-back opportunity to the Holstein facility. The prospect is a Holstein analog play with Pliocene objectives and has a proposed total depth of 14,500 feet.

Development of the Lucius field in Keathley Canyon, in which FM O&G has a 23.33 percent working interest, is on track with first oil production anticipated in the second half of 2014. The geologic results from the six wells drilled since 2009 confirm a significant oil resource. Subsea infrastructure is currently being installed, and topside facilities were lifted into place during first-quarter 2014. The sanctioned development of Lucius is a subsea development consisting of a truss spar hull located in 7,200 feet of water with a topside daily capacity of 80 MBbls of oil and 450 million cubic feet (MMcf) of gas.

During 2014, FM O&G also plans to commence drilling at the Tara exploration prospect, in which FM O&G has a 100 percent working interest, located northwest of the Lucius discovery in Keathley Canyon in 8,700 feet of water. Tara is a Lucius analog prospect with Pliocene/Miocene objectives and has a proposed total depth of 23,000 feet.

51

Eagle Ford.FM O&G has an attractive position in a section rich in crude oil and NGLs of the Eagle Ford shale play in South Texas. Production from the field has grown significantly in recent years and averaged 53 MBOE per day in first-quarter 2014. As part of our capital spending reduction initiatives, we have reduced drilling activity at Eagle Ford from eight operated rigs in mid-2013 to two operated rigs at the end of first-quarter 2014. At March 31, 2014, there were 23 wells that were pending completion or connection to pipelines.

California. FM O&G's California assets continued to perform consistently, with first-quarter 2014 production averaging 39 MBOE per day. Development plans are principally focused on maintaining stable production levels in our long-established producing fields principally onshore in California through continued drilling.

Haynesville. FM O&G has rights to a substantial natural gas resource, located in the Haynesville shale play in North Louisiana. Drilling activities in recent years have been significantly reduced to maximize cash flows in a low natural gas price environment and to benefit from potentially higher future natural gas prices.

Inboard Lower Tertiary/Cretaceous. FM O&G has an industry-leading position in the emerging Inboard Lower Tertiary/Cretaceous natural gas trend, located in the shallow waters of the GOM and onshore South Louisiana. FM O&G has a significant onshore and offshore lease acreage position with high-quality prospects and the potential to develop a significant long-term, low-cost source of natural gas. Data from eight wells drilled to date indicate the presence of geologic formations that are analogous to productive formations in the Deepwater GOM and onshore in the Gulf Coast region. The near-term focus is on defining the trend onshore. FM O&G is currently completing two Inboard Lower Tertiary/Cretaceous exploration prospects, including the Highlander onshore well (previously referred to as Lomond North) and the Davy Jones No. 2 offshore well, and plans to perform production tests on these two wells and the Blackbeard West No. 2 well in 2014.

The Highlander onshore exploratory well, in which FM O&G is the operator and has a 72 percent working interest, located in St. Martin Parish, Louisiana, encountered gas pay in several Wilcox and Cretaceous aged sands between 24,000 feet and 29,000 feet. As reported in our annual report on Form 10-K for the year ended December 31, 2013, the wireline log and core data obtained from the Wilcox and Cretaceous sand packages indicated favorable reservoir characteristics with approximately 150 feet of net pay. The Highlander discovery well is currently in completion operations to test Lower Wilcox and Cretaceous objectives found below the salt weld. Flow testing is anticipated in the second half of 2014. FM O&G has identified multiple exploratory prospects in the Highlander area where we control rights to approximately 50,000 gross acres.

Completion operations at Davy Jones No. 2, in which FM O&G has a 75 percent working interest, located on South Marsh Island Block 234, are in progress. Flow testing is anticipated to begin during second-quarter 2014. During 2014, FM O&G also plans to complete the Blackbeard West No. 2 well, in which FM O&G has a 92 percent working interest, located on Ship Shoal Block 188. Other near-term drilling includes the Farthest Gate West exploratory prospect located onshore in Cameron Parish, Louisiana. Farthest Gate West is an analog of the Lineham Creek discovery well located in Cameron Parish and has Paleogene objectives and a proposed total depth of 25,000 feet.

CAPITAL RESOURCES AND LIQUIDITY

Our operating cash flows vary with prices realized from copper, gold, molybdenum and oil, our sales volumes, production costs, income taxes, other working capital changes and other factors. We continue to target significant reductions in debt by the end of 2016 using cash flows generated above capital expenditures and other cash requirements. We will seek opportunities to accelerate our deleveraging plans through potential asset sales, joint venture transactions or other monetizations, and we are engaged in discussions with a number of third parties to achieve this objective. We may also take additional steps to defer capital spending and other costs in response to market conditions.

52

Cash

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, 2014 (in millions):

Cash at domestic companies	$	42
Cash at international operations	1,300
Total consolidated cash and cash equivalents	1,342
Less: noncontrolling interests’ share	(491		)
Cash, net of noncontrolling interests’ share	851
Less: withholding taxes and other	(73		)
Net cash available	$	778

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. Management believes that sufficient liquidity is available in the U.S. from cash balances and availability from our revolving credit facility and uncommitted lines of credit (refer to Note 6). 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 that are subject to applicable withholding taxes and noncontrolling interests' share.

Debt

At March 31, 2014, we had total debt of $20.9 billion. Following is a summary of total debt and related weighted-average interest rates at March 31, 2014 (in billions, except percentages):

				Weighted-
				Average
				Interest Rate
Acquisition-related debt	$	10.5	a	3.0%
Assumed debt of PXP	6.7			6.8%
Other FCX debt	3.7			3.3%
	$	20.9		4.2%

a. Proceeds from the issuance of $6.5 billion of senior notes and a $4.0 billion unsecured term loan were used to finance the acquisitions of PXP and MMR, repay certain PXP debt and for general corporate purposes. Refer to Note 6 for further discussion.

At March 31, 2014, we had no borrowings outstanding and $46 million of letters of credit issued under our revolving credit facility, resulting in availability of approximately $3.0 billion.

We have uncommitted unsecured lines of credit with certain financial institutions for up to $450 million, which have terms and pricing that are more favorable than our revolving credit facility. As of March 31, 2014, there were $115 million of borrowings drawn on these lines of credit.

In March 2014, Cerro Verde entered into a five-year, $1.8 billion senior unsecured credit facility. Amounts may be drawn over a two-year period to fund a portion of the expansion project (see "Operations - South America Mining") and for Cerro Verde's general corporate purposes. At March 31, 2014, there were no amounts drawn.

On April 30, 2014, FM O&G redeemed a total of $210 million of the aggregate principal amount of the outstanding 6.625% Senior Notes, In accordance with the terms of the senior notes, the redemption was funded with cash contributions to FM O&G by us in exchange for additional equity, which is eliminated in our consolidated financial statements. We funded our contributions with our revolving credit facility. Holders received the principal amount together with the redemption premium and accrued and unpaid interest to the redemption date. As a result of the redemption, we recorded a gain on early extinguishment of debt of $6 million in second-quarter 2014.

Refer to Note 6 for further discussion of our debt.

53

Operating Activities

During the first three months of2014, we generated consolidated operating cash flows totaling $1.2 billion (net of $413 million for working capital uses and changes in other tax payments), compared with consolidated operating cash flows for the first three months of2013 of $0.8 billion (net of $430 million for working capital uses and changes in other tax payments). Consolidated operating cash flows for the first three months of 2014 benefited from our oil and gas operations, partly offset by the impact of lower metals price realizations, lower copper sales volumes and a decrease in working capital uses and changes in other tax payments, primarily associated with accounts receivable. As discussed in "Consolidated Results - Revenues," substantially all of our copper concentrate and cathode sales contracts are provisionally priced; accordingly, the quarter-end forward price is a major determinate of recorded revenues and the resulting receivables. At March 31, 2014, our provisionally priced copper sales we recorded at an average of $3.01 per pound of copper, compared with $3.41 per pound at March 31, 2013.

Based on current operating plans and subject to future copper, gold, molybdenum and crude oil prices, we expect estimated consolidated operating cash flows for the year 2014, plus available cash and availability under our revolving credit facility and uncommitted lines of credit, 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 2014.

Investing Activities

Capital Expenditures. Capital expenditures, including capitalized interest, totaled $1.6 billion for the first three months of2014, including $0.7 billion for major projects at mining operations and $0.6 billion for oil and gas operations, compared with $805 million for the first three months of2013. Increased capital expenditures for our mining operations in first-quarter 2014 is primarily associated with the expansion projects at Cerro Verde and Morenci. Refer to “Operations” for further discussion.

Capital expenditures are expected to approximate $7 billion for the year 2014, including $3 billion for major projects at our mining operations and $3 billion for our oil and gas operations. Major projects at our mining operations for 2014 primarily include the ongoing expansion projects at Cerro Verde and Morenci, and underground development activities at Grasberg. Capital spending plans remain under review and will be revised as market conditions warrant. Refer to "Operations" for further discussion.

Acquisition. In first-quarter 2013, we paid $321 million (net of $34 million of cash acquired) to fund the acquisition of a 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 Mining Corporation, our joint venture partner. Refer to Note 2 for further discussion.

Financing Activities

Debt Transactions. During first-quarter 2013, we sold $6.5 billion of unsecured senior notes in four tranches with a weighted-average interest rate of 3.9 percent. Net proceeds from these borrowings were used to fund the acquisitions of PXP and MMR, repay certain debt of PXP and for general corporate purposes. Refer to Note 6 for further discussion.

Dividends and Other Equity Transactions. We paid dividends on our common stock totaling $326 million for first-quarter 2014 and $297 million for first-quarter 2013. The current annual dividend rate for our common stock is $1.25 per share ($0.3125 per share quarterly). The declaration of dividends is at the discretion of our Board of Directors (Board) and will depend upon our financial results, cash requirements, future prospects 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 $77 million for first-quarter 2014 and $35 million for first-quarter 2013. These payments will vary based on the cash requirements of our consolidated subsidiaries.

CONTRACTUAL OBLIGATIONS

Except as discussed in Note 13, there have been no material changes in our contractual obligations since December 31, 2013. Refer to Item 7 in our annual report on Form 10-K for the year ended December 31, 2013, for further information regarding our contractual obligations.

54

CONTINGENCIES

Environmental and Asset Retirement Obligations

Our current 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 asset retirement 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 asset retirement obligations since December 31, 2013. 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.

Refer to Note 12 in our annual report on Form 10-K for the year ended December 31, 2013, for further information regarding our environmental and asset retirement 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 December 31, 2013. Refer to Note 12 and "Legal Proceedings" contained in Part I, Item 3. of our annual report on Form 10-K for the year ended December 31, 2013, 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.

55

PRODUCT REVENUES AND PRODUCTION COSTS

Mining Product Revenues and Unit Net Cash Cost

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 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 a separate line item. 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. The following schedules for our mining operations are presentations under both the by-product and co-product methods together with reconciliations to amounts reported in our consolidated financial statements.

Oil & Gas Product Revenues and Cash Production Costs per Unit

Realized revenues and cash production costs per unit are measures intended to provide investors with information about the cash operating margin of our oil and gas operations. We use this measure for the same purpose and for monitoring operating performance by our oil and gas 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. Our measures may not be comparable to similarly titled measures reported by other companies.

We show revenue adjustments from derivative contracts as separate line items. Because these adjustments do not result from oil and gas sales, these gains and losses have been reflected separately from revenues on current period sales. Additionally, accretion and other costs are removed from production and delivery costs in the calculation of cash production costs per BOE. The following schedules include calculations of oil and gas product revenues and cash production costs together with a reconciliation to amounts reported in our consolidated financial statements.

56

North America Copper Mines Product Revenues, Production Costs and Unit Net Cash Costs

Three Months Ended March 31, 2014
(In millions)	By-Product			Co-Product Method
	Method			Copper			Molybdenuma		Otherb		Total
Revenues, excluding adjustments	$	1,194		$	1,194		$	81	$	29	$	1,304
Site production and delivery, before net noncash and other costs shown below	695			687			20		17		724
By-product credits	(81		)	—			—		—		—
Treatment charges	47			46			—		1		47
Net cash costs	661			733			20		18		771
Depreciation, depletion and amortization	104			102			1		1		104
Noncash and other costs, net	30			30			—		—		30
Total costs	795			865			21		19		905
Revenue adjustments, primarily for pricing on prior period open sales	(7		)	(7		)	—		—		(7		)
Gross profit	$	392		$	322		$	60	$	10	$	392
Copper sales (millions of recoverable pounds)	369			369
Molybdenum sales (millions of recoverable pounds)a							8
Gross profit per pound of copper/molybdenum:
Revenues, excluding adjustments	$	3.24		$	3.24		$	10.00
Site production and delivery, before net noncash      and other costs shown below	1.88			1.86			2.48
By-product credits	(0.22		)	—			—
Treatment charges	0.13			0.13			—
Unit net cash costs	1.79			1.99			2.48
Depreciation, depletion and amortization	0.29			0.27			0.08
Noncash and other costs, net	0.08			0.08			0.02
Total unit costs	2.16			2.34			2.58
Revenue adjustments, primarily for pricing
on prior period open sales	(0.02		)	(0.02		)	—
Gross profit per pound	$	1.06		$	0.88		$	7.42
Reconciliation to Amounts Reported
(In millions)	Revenues			Production and Delivery			Depreciation, Depletion and Amortization
Totals presented above	$	1,304		$	724		$	104
Treatment charges	—			47			—
Noncash and other costs, net	—			30			—
Revenue adjustments, primarily for pricing on prior period open sales	(7		)	—			—
Eliminations and other	(11		)	(15		)	3
North America copper mines	1,286			786			107
Other mining & eliminationsc	2,438			1,640			239
Total mining	3,724			2,426			346
U.S. oil & gas operations	1,261			311			616
Corporate, other & eliminations	—			—			4
As reported in FCX’s consolidated financial statements	$	4,985		$	2,737		$	966

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

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

c. Represents the combined total for all other mining operations and the related eliminations, as presented in Note 10.

57

North America Copper Mines Product Revenues, Production Costs and Unit Net Cash Costs (continued)

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 credits	(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
Copper sales (millions of recoverable pounds)	352			352
Molybdenum sales (millions of recoverable pounds)a							8
Gross profit per pound of copper/molybdenum:
Revenues, excluding adjustments	$	3.60		$	3.60		$	11.75
Site production and delivery, before net noncash      and other costs shown below	1.99			1.94			3.27
By-product credits	(0.26		)	—			—
Treatment charges	0.13			0.13			—
Unit net cash costs	1.86			2.07			3.27
Depreciation, depletion and amortization	0.28			0.27			0.20
Noncash and other costs, net	0.09			0.09			0.03
Total unit costs	2.23			2.43			3.50
Revenue adjustments, primarily for pricing
on prior period open sales	—			—			—
Gross profit per pound	$	1.37		$	1.17		$	8.25
Reconciliation to Amounts Reported
(In millions)	Revenues			Production and Delivery			Depreciation, Depletion and Amortization
Totals presented above	$	1,383		$	723		$	98
Treatment charges	—			45			—
Noncash and other costs, net	—			33			—
Revenue adjustments, primarily for pricing on prior period open sales	(2		)	—			—
Eliminations and other	4			(2		)	4
North America copper mines	1,385			799			102
Other mining & eliminationsc	3,196			1,917			225
Total mining	4,581			2,716			327
U.S. oil & gas operations	—			—			—
Corporate, other & eliminations	2			3			2
As reported in FCX’s consolidated financial statements	$	4,583		$	2,719		$	329

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

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

c. Represents the combined total for all other mining operations and the related eliminations, as presented in Note 10.

58

South America Mining Product Revenues, Production Costs and Unit Net Cash Costs

Three Months Ended March 31, 2014
(In millions)	By-Product			Co-Product Method
	Method			Copper			Other				Total
Revenues, excluding adjustments	$	941		$	941		$	84		a	$	1,025
Site production and delivery, before net noncash and other costs shown below	461			426			40				466
By-product credits	(79		)	—			—				—
Treatment charges	53			53			—				53
Net cash costs	435			479			40				519
Depreciation, depletion and amortization	87			80			7				87
Noncash and other costs, net	17			19			(2		)		17
Total costs	539			578			45				623
Revenue adjustments, primarily for pricing on prior period open sales	(73		)	(73		)	—				(73		)
Gross profit	$	329		$	290		$	39			$	329
Copper sales (millions of recoverable pounds)	307			307
Gross profit per pound of copper:
Revenues, excluding adjustments	$	3.07		$	3.07
Site production and delivery, before net noncash      and other costs shown below	1.50			1.39
By-product credits	(0.25		)	—
Treatment charges	0.17			0.17
Unit net cash costs	1.42			1.56
Depreciation, depletion and amortization	0.28			0.27
Noncash and other costs, net	0.06			0.06
Total unit costs	1.76			1.89
Revenue adjustments, primarily for pricing
on prior period open sales	(0.24		)	(0.24		)
Gross profit per pound	$	1.07		$	0.94
Reconciliation to Amounts Reported
(In millions)	Revenues			Production and Delivery			Depreciation, Depletion and Amortization
Totals presented above	$	1,025		$	466		$	87
Treatment charges	(53		)	—			—
Noncash and other costs, net	—			17			—
Revenue adjustments, primarily for pricing on prior period open sales	(73		)	—			—
Eliminations and other	(1		)	(7		)	—
South America mining	898			476			87
Other mining & eliminationsb	2,826			1,950			259
Total mining	3,724			2,426			346
U.S. oil & gas operations	1,261			311			616
Corporate, other & eliminations	—			—			4
As reported in FCX’s consolidated financial statements	$	4,985		$	2,737		$	966

a. Includes gold sales of 23 thousand ounces ($1,307 per ounce average realized price) and silver sales of 796 thousand ounces ($19.82 per ounce average realized price). Also reflects sales of molybdenum produced by Cerro Verde to our molybdenum sales company at market-based pricing.

b. Represents the combined total for all other mining operations and the related eliminations, as presented in Note 10.

59

South America Mining Product Revenues, Production Costs and Unit Net Cash Costs (continued)

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
Copper sales (millions of recoverable pounds)	285			285
Gross profit per pound of copper:
Revenues, excluding adjustments	$	3.48		$	3.48
Site production and delivery, before net noncash      and other costs shown below	1.62			1.49
By-product credits	(0.29		)	—
Treatment charges	0.18			0.18
Unit net cash costs	1.51			1.67
Depreciation, depletion and amortization	0.25			0.23
Noncash and other costs, net	0.05			0.03
Total unit costs	1.81			1.93
Revenue adjustments, primarily for pricing
on prior period open sales	(0.05		)	(0.05		)
Gross profit per pound	$	1.62		$	1.50
Reconciliation to Amounts Reported
(In millions)	Revenues			Production and Delivery			Depreciation, Depletion and Amortization
Totals presented above	$	1,080		$	466		$	71
Treatment charges	(50		)	—			—
Noncash and other costs, net	—			16			—
Revenue adjustments, primarily for pricing on prior period open sales	(15		)	—			—
Eliminations and other	(1		)	(7		)	—
South America mining	1,014			475			71
Other mining & eliminationsb	3,567			2,241			256
Total mining	4,581			2,716			327
U.S. oil & gas operations	—			—			—
Corporate, other & eliminations	2			3			2
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) and silver sales of 988 thousand ounces ($30.45 per ounce average realized price). Also reflects sales of molybdenum produced by Cerro Verde to our molybdenum sales company at market-based pricing.

b. Represents the combined total for all other mining operations and the related eliminations, as presented in Note 10.

60

Indonesia Mining Product Revenues, Production Costs and Unit Net Cash Costs

Three Months Ended March 31, 2014
(In millions)	By-Product				Co-Product Method
	Method				Copper			Gold		Silver			Total
Revenues, excluding adjustments	$	331			$	331		$	211	$	7	a	$	549
Site production and delivery, before net noncash and other costs shown below	363				219			139		5			363
Gold and silver credits	(235		)		—			—		—			—
Treatment charges	26				16			10		—			26
Royalty on metals	13				8			5		—			13
Net cash costs	167				243			154		5			402
Depreciation and amortization	48				29			19		—			48
Noncash and other costs, net	74			b	45			28		1			74
Total costs	289				317			201		6			524
Revenue adjustments, primarily for pricing on prior period open sales	(57		)		(57		)	17		—			(40		)
PT Smelting intercompany profit	54				33			21		—			54
Gross profit (loss)	$	39			$	(10	)	$	48	$	1		$	39
Copper sales (millions of recoverable pounds)	109				109
Gold sales (thousands of recoverable ounces)								162
Gross profit per pound of copper/per ounce of gold:
Revenues, excluding adjustments	$	3.04			$	3.04		$	1,299
Site production and delivery, before net noncash      and other costs shown below	3.33				2.01			859
Gold and silver credits	(2.15		)		—			—
Treatment charges	0.24				0.15			62
Royalty on metals	0.11				0.07			31
Unit net cash costs	1.53				2.23			952
Depreciation and amortization	0.44				0.26			114
Noncash and other costs, net	0.67			b	0.41			174
Total unit costs	2.64				2.90			1,240
Revenue adjustments, primarily for pricing on
prior period open sales	(0.53		)		(0.53		)	107
PT Smelting intercompany profit	0.49				0.30			129
Gross profit (loss) per pound/ounce	$	0.36			$	(0.09	)	$	295
Reconciliation to Amounts Reported
(In millions)	Revenues				Production and Delivery			Depreciation, Depletion and Amortization
Totals presented above	$	549			$	363		$	48
Treatment charges	(26		)		—			—
Royalty on metals	(13		)		—			—
Noncash and other costs, net	—				74			—
Revenue adjustments, primarily for pricing on prior period open sales	(40		)		—			—
PT Smelting intercompany profit	—				(54		)	—
Indonesia mining	470				383			48
Other mining & eliminationsc	3,254				2,043			298
Total mining	3,724				2,426			346
U.S. oil & gas operations	1,261				311			616
Corporate, other & eliminations	—				—			4
As reported in FCX’s consolidated financial statements	$	4,985			$	2,737		$	966

a. Includes silver sales of 333 thousand ounces ($20.13 per ounce average realized price).

b. Includes $53 million ($0.49 per pound) of fixed costs charged directly to cost of sales as a result of the impact of export restrictions on PT-FI's operating rates.

c. Represents the combined total for all other mining operations and the related eliminations, as presented in Note 10.

61

Indonesia Mining Product Revenues, Production Costs and Unit Net Cash Costs (continued)

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
Copper sales (millions of recoverable pounds)	198			198
Gold sales (thousands of recoverable ounces)							191
Gross profit per pound of copper/per ounce of gold:
Revenues, excluding adjustments	$	3.43		$	3.43		$	1,604
Site production and delivery, before net noncash      and other costs shown below	2.61			1.77			826
Gold and silver credits	(1.63		)	—			—
Treatment charges	0.23			0.15			71
Royalty on metals	0.13			0.09			42
Unit net cash costs	1.34			2.01			939
Depreciation and amortization	0.28			0.19			88
Noncash and other costs, net	0.26			0.18			83
Total unit costs	1.88			2.38			1,110
Revenue adjustments, primarily for pricing on
prior period open sales	0.01			0.01			(8		)
PT Smelting intercompany profit	0.02			0.02			8
Gross profit per pound/ounce	$	1.58		$	1.08		$	494
Reconciliation to Amounts Reported
(In millions)	Revenues			Production and Delivery			Depreciation, Depletion and Amortization
Totals presented above	$	1,003		$	516		$	55
Treatment charges	(45		)	—			—
Royalty on metals	(26		)	—			—
Noncash and other costs, net	—			52			—
Revenue adjustments, primarily for pricing on prior period open sales	(1		)	—			—
PT Smelting intercompany profit	—			(5		)	—
Indonesia mining	931			563			55
Other mining & eliminationsb	3,650			2,153			272
Total mining	4,581			2,716			327
U.S. oil & gas operations	—			—			—
Corporate, other & eliminations	2			3			2
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).

b. Represents the combined total for all other mining operations and the related eliminations, as presented in Note 10.

62

Africa Mining Product Revenues, Production Costs and Unit Net Cash Costs

Three Months Ended March 31, 2014
(In millions)	By-Product			Co-Product Method
	Method			Copper			Cobalt		Total
Revenues, excluding adjustmentsa	$	258		$	258		$	74	$	332
Site production and delivery, before net noncash and other costs shown below	125			103			42		145
Cobalt creditsb	(56		)	—			—		—
Royalty on metals	6			5			1		6
Net cash costs	75			108			43		151
Depreciation, depletion and amortization	51			45			6		51
Noncash and other costs, net	7			6			1		7
Total costs	133			159			50		209
Revenue adjustments, primarily for pricing on prior period open sales	(1		)	(1		)	2		1
Gross profit	$	124		$	98		$	26	$	124
Copper sales (millions of recoverable pounds)	84			84
Cobalt sales (millions of contained pounds)							8
Gross profit per pound of copper/cobalt:
Revenues, excluding adjustmentsa	$	3.07		$	3.07		$	9.21
Site production and delivery, before net noncash      and other costs shown below	1.48			1.22			5.16
Cobalt creditsb	(0.66		)	—			—
Royalty on metals	0.07			0.06			0.16
Unit net cash costs	0.89			1.28			5.32
Depreciation, depletion and amortization	0.61			0.53			0.80
Noncash and other costs, net	0.08			0.08			0.12
Total unit costs	1.58			1.89			6.24
Revenue adjustments, primarily for pricing
on prior period open sales	(0.01		)	(0.01		)	0.24
Gross profit per pound	$	1.48		$	1.17		$	3.21
Reconciliation to Amounts Reported
(In millions)	Revenues			Production and Delivery			Depreciation, Depletion and Amortization
Totals presented above	$	332		$	145		$	51
Royalty on metals	(6		)	—			—
Noncash and other costs, net	—			7			—
Revenue adjustments, primarily for pricing on prior period open sales	1			—			—
Africa mining	327			152			51
Other mining & eliminationsc	3,397			2,274			295
Total mining	3,724			2,426			346
U.S. oil & gas operations	1,261			311			616
Corporate, other & eliminations	—			—			4
As reported in FCX’s consolidated financial statements	$	4,985		$	2,737		$	966

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

b. Net of cobalt downstream processing and freight costs.

c. Represents the combined total for all other mining operations and the related eliminations, as presented in Note 10.

63

Africa Mining Product Revenues, Production Costs and Unit Net Cash Costs (continued)

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
Copper sales (millions of recoverable pounds)	118			118
Cobalt sales (millions of contained pounds)						6
Gross profit per pound of copper/cobalt:
Revenues, excluding adjustmentsa	$	3.40		$	3.40	$	7.28
Site production and delivery, before net noncash      and other costs shown below	1.39			1.33		4.18
Cobalt creditsb	(0.23		)	—		—
Royalty on metals	0.07			0.06		0.13
Unit net cash costs	1.23			1.39		4.31
Depreciation, depletion and amortization	0.49			0.46		0.69
Noncash and other costs, net	0.04			0.04		0.06
Total unit costs	1.76			1.89		5.06
Revenue adjustments, primarily for pricing
on prior period open sales	0.01			0.01		0.38
Gross profit per pound	$	1.65		$	1.52	$	2.60
Reconciliation to Amounts Reported
(In millions)	Revenues			Production and Delivery		Depreciation, Depletion and Amortization
Totals presented above	$	442		$	180	$	58
Royalty on metals	(8		)	—		—
Noncash and other costs, net	—			5		—
Revenue adjustments, primarily for pricing on prior period open sales	4			—		—
Africa mining	438			185		58
Other mining & eliminationsc	4,143			2,531		269
Total mining	4,581			2,716		327
U.S. oil & gas operations	—			—		—
Corporate, other & eliminations	2			3		2
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.

c. Represents the combined total for all other mining operations and the related eliminations, as presented in Note 10.

64

Molybdenum Mines Product Revenues, Production Costs and Unit Net Cash Costs

	Three Months Ended March 31,
(In millions)	2014			2013
Revenues, excluding adjustmentsa	$	137		$	155
Site production and delivery, before net noncash and other costs shown below	75			78
Treatment charges and other	11			12
Net cash costs	86			90
Depreciation, depletion and amortization	22			20
Noncash and other costs, net	1			2
Total costs	109			112
Gross profit	$	28		$	43
Molybdenum sales (millions of recoverable pounds)a	13			12
Gross profit per pound of molybdenum:
Revenues, excluding adjustmentsa	$	10.76		$	12.55
Site production and delivery, before net noncash and other costs shown below	5.87			6.37
Treatment charges and other	0.84			0.95
Unit net cash costs	6.71			7.32
Depreciation, depletion and amortization	1.75			1.62
Noncash and other costs, net	0.11			0.15
Total unit costs	8.57			9.09
Gross profit per pound	$	2.19		$	3.46
Reconciliation to Amounts Reported
(In millions)	Revenues			Production and Delivery		Depreciation, Depletion and Amortization
Three Months Ended March 31, 2014
Totals presented above	$	137		$	75	$	22
Treatment charges and other	(11		)	—		—
Noncash and other costs, net	—			1		—
Molybdenum mines	126			76		22
Other mining & eliminationsb	3,598			2,350		324
Total mining	3,724			2,426		346
U.S. oil & gas operations	1,261			311		616
Corporate, other & eliminations	—			—		4
As reported in FCX’s consolidated financial statements	$	4,985		$	2,737	$	966
Three Months Ended March 31, 2013
Totals presented above	$	155		$	78	$	20
Treatment charges and other	(12		)	—		—
Noncash and other costs, net	—			2		—
Molybdenum mines	143			80		20
Other mining & eliminationsb	4,438			2,636		307
Total mining	4,581			2,716		327
U.S. oil & gas operations	—			—		—
Corporate, other & eliminations	2			3		2
As reported in FCX’s consolidated financial statements	$	4,583		$	2,719	$	329

a. Reflects sales of the Molybdenum mines' production to our molybdenum sales company at market-based pricing. On a consolidated basis, realizations are based on the actual contract terms for sales to third-parties; as a result, our consolidated average realized price per pound of molybdenum will differ from the amounts reported in this table.

b. Represents the combined total for all other mining operations and the related eliminations, as presented in Note 10. Also includes amounts associated with our molybdenum sales company, which includes sales of molybdenum produced by the molybdenum mines and by certain of the North and South America copper mines.

65

U.S. Oil & Gas Product Revenues, Cash Production Costs and Realizations

Three Months Ended March 31, 2014
(In millions)	Oil			Natural Gas			NGLs		Total U.S. Oil & Gas
Oil and gas revenues before derivatives	$	1,162		$	98		$	50	$	1,310
Realized cash losses on derivative contracts	(58		)	(7		)	—		(65		)
Realized revenues	$	1,104		$	91		$	50	1,245
Less: cash production costs									298
Cash operating margin									947
Less: depreciation, depletion and amortization									616
Less: accretion and other costs									13
Plus: net noncash mark-to-market gains on derivative contracts									15
Plus: other net adjustments									1
Gross profit									$	334
Oil (MMBbls)	11.8
Gas (Bcf)				19.5
NGLs (MMBbls)							1.1
Oil Equivalents (MMBOE)									16.1
	Oil (per barrel)			Natural Gas (per MMBtu)			NGLs (per barrel)		Per BOE
Oil and gas revenues before derivatives	$	98.62		$	5.05		$	45.47	$	81.23
Realized cash losses on derivative contracts	(4.86		)	(0.38		)	—		(4.01		)
Realized revenues	$	93.76		$	4.67		$	45.47	77.22
Less: cash production costs									18.51
Cash operating margin									58.71
Less: depreciation, depletion and amortization									38.21
Less: accretion and other costs									0.78
Plus: net noncash mark-to-market gains on derivative contracts									0.90
Plus: other net adjustments									0.04
Gross profit									$	20.66
Reconciliation to Amounts Reported
(In Millions)	Revenues			Production and Delivery			Depreciation, Depletion and Amortization
Totals presented above	$	1,310		$	298		$	616
Realized cash losses on derivative contracts	(65		)	—			—
Net noncash mark-to-market gains on derivative contracts	15			—			—
Accretion and other costs	—			13			—
Other net adjustments	1			—			—
U.S. oil & gas operations	1,261			311			616
Total mininga	3,724			2,426			346
Corporate, other & eliminations	—			—			4
As reported in FCX's consolidated financial statements	$	4,985		$	2,737		$	966

a. Represents the combined total for mining operations and the related eliminations, as presented in Note 10.

66

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 projections or expectations relating to ore grades and milling rates, production and sales volumes, unit net cash costs, cash production costs per BOE, operating cash flows, capital expenditures, exploration efforts and results, development and production activities and costs, liquidity, tax rates, the impact of copper, gold, molybdenum, cobalt, crude oil and natural gas price changes, the impact of derivative positions, the impact of deferred intercompany profits on earnings, reserve estimates, and future dividend payments, debt reduction and share purchases. The words “anticipates,” “may,” “can,” “plans,” “believes,” “potential,” “estimates,” “expects,” “projects,” “targets,” “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 the Board and will depend on our financial results, cash requirements, future prospects, 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 supply of and demand for, and prices of copper, gold, molybdenum, cobalt, oil and gas, mine sequencing, production rates, industry risks, regulatory changes, political risks, drilling results, the outcome of ongoing discussions with the Indonesian government regarding PT-FI's COW and the impact of the January 2014 regulations on PT-FI's exports and export duties, the potential effects of violence in Indonesia, the resolution of administrative disputes in the Democratic Republic of Congo, weather- and climate-related risks, labor relations, environmental risks, litigation results, currency translation risks 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, 2013, 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 forward-looking statements more frequently than quarterly notwithstanding any changes in our assumptions, changes in business plans, actual experience or other changes, and we undertake no obligation to update any forward-looking statements.

67

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, 2014. For additional information on market risks, refer to “Disclosures About Market Risks” included in Part I, Item 2. of our annual report on Form 10-K for the year ended December 31, 2013. 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, 2014; for projected sensitivities of our provisionally priced copper sales and derivative instruments 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, 2014.

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, 2014.

(b) Changes in internal control over financial reporting. There has been no change in our internal control over financial reporting that occurred during the three months ended March 31, 2014, that has 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 12 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, 2013, 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.

Item 1A. Risk Factors.

There have been no material changes to our risk factors during the three-month period ended March 31, 2014. 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, 2013.

68

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, 2014:

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 Programsa	(d) Maximum Number of Shares That May Yet Be Purchased Under the Plans or Programsa
January 1-31, 2014	—		$	—	—	23,685,500
February 1-28, 2014	357,965	b	$	32.41	—	23,685,500
March 1-31, 2014	—		$	—	—	23,685,500
Total	357,965		$	32.41	—	23,685,500

a. 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.

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

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.

69

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 9, 2014

70

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 Freeport-McMoRan Copper & Gold Inc.		10-Q	001-1307	8/6/2010
3.2	Composite By-Laws of Freeport-McMoRan Copper & Gold Inc. as of July 16, 2013		8-K	001-1307	7/18/2013
4.1	Indenture dated as of February 13, 2012, between Freeport-McMoRan Copper & Gold Inc. and U.S. Bank National Association, as Trustee (relating to the 1.4% Senior Notes due 2015, the 2.15% Senior Notes due 2017, and the 3.55% Senior Notes due 2022)		8-K	001-1307	2/13/2012
4.2	First Supplemental Indenture dated as of February 13, 2012, between Freeport-McMoRan Copper & Gold Inc. and U.S. Bank National Association, as Trustee (relating to the 1.4% Senior Notes due 2015)		8-K	001-1307	2/13/2012
4.3	Second Supplemental Indenture dated as of February 13, 2012, between Freeport-McMoRan Copper & Gold Inc. and U.S. Bank National Association, as Trustee (relating to the 2.15% Senior Notes due 2017)		8-K	001-1307	2/13/2012
4.4	Third Supplemental Indenture dated as of February 13, 2012, between Freeport-McMoRan Copper & Gold Inc. and U.S. Bank National Association, as Trustee (relating to the 3.55% Senior Notes due 2022)		8-K	001-1307	2/13/2012
4.5	Fourth Supplemental Indenture dated as of May 31, 2013, among Freeport-McMoRan Copper & Gold Inc., Freeport-McMoRan Oil & Gas LLC and U.S. Bank National Association, as Trustee (relating to the 1.4% Senior Notes due 2015, the 2.15% Senior Notes due 2017, and the 3.55% Senior Notes due 2022)		8-K	001-1307	6/3/2013
4.6	Indenture dated as of March 7, 2013, between Freeport-McMoRan Copper & Gold Inc. and U.S. Bank National Association, as Trustee (relating to the 2.375% Senior Notes due 2018, the 3.100% Senior Notes due 2020, the 3.875% Senior Notes due 2023, and the 5.450% Senior Notes due 2043)		8-K	001-1307	3/7/2013
4.7	Supplemental Indenture dated as of May 31, 2013, among Freeport-McMoRan Copper & Gold Inc., Freeport-McMoRan Oil & Gas LLC and U.S. Bank National Association, as Trustee (relating to the 2.375% Senior Notes due 2018, the 3.100% Senior Notes due 2020, the 3.875% Senior Notes due 2023, and the 5.450% Senior Notes due 2043)		8-K	001-1307	6/3/2013
4.8	Indenture dated as of March 13, 2007, among Plains Exploration & Production Company, the Subsidiary Guarantors parties thereto, and Wells Fargo Bank, N.A., as Trustee (relating to the 8.625% Senior Notes due 2019, the 7.625% Senior Notes due 2020, the 6.625% Senior Notes due 2021, the 6.75% Senior Notes due 2022, the 6.125% Senior Notes due 2019, the 6.5% Senior Notes due 2020, and the 6.875% Senior Notes due 2023)		8-K	001-31470	3/13/2007

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
4.09	Tenth Supplemental Indenture dated as of September 11, 2009 to the Indenture dated as of March 13, 2007, among Plains Exploration & Production Company, the Subsidiary Guarantors parties thereto and Wells Fargo Bank, N.A., as Trustee (relating to the 8.625% Senior Notes due 2019)		8-K	001-31470	9/11/2009
4.10	Eleventh Supplemental Indenture dated as of March 29, 2010 to the Indenture dated as of March 13, 2007, among Plains Exploration & Production Company, the Subsidiary Guarantors parties thereto and Wells Fargo Bank, N.A., as Trustee (relating to the 7.625% Senior Notes due 2020)		8-K	001-31470	3/29/2010
4.11	Twelfth Supplemental Indenture dated as of March 29, 2011 to the Indenture dated as of March 13, 2007, among Plains Exploration & Production Company, the Subsidiary Guarantors parties thereto and Wells Fargo Bank, N.A., as Trustee (relating to the 6.625% Senior Notes due 2021)		8-K	001-31470	3/29/2011
4.12	Thirteenth Supplemental Indenture dated as of November 21, 2011 to the Indenture dated as of March 13, 2007, among Plains Exploration & Production Company, the Subsidiary Guarantors parties thereto and Wells Fargo Bank, N.A., as Trustee (relating to the 6.75% Senior Notes due 2022)		8-K	001-31470	11/22/2011
4.13	Fourteenth Supplemental Indenture dated as of April 27, 2012 to the Indenture dated as of March 13, 2007, among Plains Exploration & Production Company, the Subsidiary Guarantors parties thereto and Wells Fargo Bank, N.A., as Trustee (relating to the 6.125% Senior Notes due 2019)		8-K	001-31470	4/27/2012
4.14	Sixteenth Supplemental Indenture dated as of October 26, 2012 to the Indenture dated as of March 13, 2007, among Plains Exploration & Production Company, the Subsidiary Guarantors parties thereto and Wells Fargo Bank, N.A., as Trustee (relating to the 6.5% Senior Notes due 2020)		8-K	001-31470	10/26/2012
4.15	Seventeenth Supplemental Indenture dated as of October 26, 2012 to the Indenture dated as of March 13, 2007, among Plains Exploration & Production Company, the Subsidiary Guarantors parties thereto and Wells Fargo Bank, N.A., as Trustee (relating to the 6.875% Senior Notes due 2023)		8-K	001-31470	10/26/2012
4.16	Eighteenth Supplemental Indenture dated as of May 31, 2013 to the Indenture dated as of March 13, 2007, among Freeport-McMoRan Oil & Gas LLC, as Successor Issuer, FCX Oil & Gas Inc., as Co-Issuer, Freeport-McMoRan Copper & Gold Inc., as Parent Guarantor, Plains Exploration & Production Company, as Original Issuer, and Wells Fargo Bank, N.A., as Trustee (relating to the 8.625% Senior Notes due 2019, the 7.625% Senior Notes due 2020, the 6.625% Senior Notes due 2021, the 6.75% Senior Notes due 2022, the 6.125% Senior Notes due 2019, the 6.5% Senior Notes due 2020, and the 6.875% Senior Notes due 2023)		8-K	001-1307	6/3/2013
4.17	Form of Indenture dated as of September 22, 1997, between Phelps Dodge Corporation and The Chase Manhattan Bank, as Trustee (relating to the 7.125% Senior Notes due 2027, the 9.50% Senior Notes due 2031, and the 6.125% Senior Notes due 2034)		S-3	333-36415	9/25/1997

E-2

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
4.18	Form of 7.125% Debenture due November 1, 2027 of Phelps Dodge Corporation issued on November 5, 1997, pursuant to the Indenture dated as of September 22, 1997, between Phelps Dodge Corporation and The Chase Manhattan Bank, as Trustee (relating to the 7.125% Senior Notes due 2027)		8-K	01-00082	11/3/1997
4.19	Form of 9.5% Note due June 1, 2031 of Phelps Dodge Corporation issued on May 30, 2001, pursuant to the Indenture dated as of September 22, 1997, between Phelps Dodge Corporation and First Union National Bank, as successor Trustee (relating to the 9.50% Senior Notes due 2031)		8-K	01-00082	5/30/2001
4.20	Form of 6.125% Note due March 15, 2034 of Phelps Dodge Corporation issued on March 4, 2004, pursuant to the Indenture dated as of September 22, 1997, between Phelps Dodge Corporation and First Union National Bank, as successor Trustee (relating to the 6.125% Senior Notes due 2034)		10-K	01-00082	3/7/2005
4.21	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	001-1307	3/7/2013
4.22	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	001-1307	3/7/2013
4.23	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	001-1307	3/7/2013
4.24	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	001-1307	3/7/2013
10.1*	Form of Performance Share Unit Agreement.		8-K	001-11307-01	3/3/2014
10.2*	Letter Agreement dated February 27, 2014, between Freeport-McMoRan Copper & Gold Inc. and James R. Moffett.		8-K	001-11307-01	3/3/2014
10.3*	Amended and Restated Employment Agreement dated February 27, 2014, between Freeport-McMoRan Copper & Gold Inc. and James C. Flores.		8-K	001-11307-01	3/3/2014
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
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

E-3

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
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
* Indicates management contracts or compensatory plan or arrangement.

E-4

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 following Registration Statements:

1) Registration Statement (Form S-3 No. 333-179420) of Freeport-McMoRan Copper & Gold Inc.,

2) Registration Statement (Form S-8 No. 333-85803) pertaining to the 1999 Stock Incentive Plan,

3) Registration Statement (Form S-8 No. 333-105535) pertaining to the 2003 Stock Incentive Plan,

4) Registration Statement (Form S-8 No. 333-115292) pertaining to the 2004 Director Compensation Plan,

5) Registration Statement (Form S-8 No. 333-136084) pertaining to the  Freeport-McMoRan Copper & Gold Inc. 2006 Stock Incentive Plan,

6) Registration Statement (Form S-8 No. 333-141358) pertaining to the Phelps Dodge Corporation 2003 Stock Option and Restricted Stock Plan and the Phelps Dodge Corporation 1998 Stock Option and Restricted Stock Plan,

7) Registration Statement (Form S-8 No. 333-147413) pertaining to the Amended and Restated Freeport-McMoRan Copper & Gold Inc. 2006 Stock Incentive Plan, and

8) Registration Statement (Form S-8 No. 333-189047) pertaining to the Plains Exploration & Production Company 2010 Incentive Award Plan; the Plains Exploration & Production 2004 Stock Incentive Plan; the McMoRan Exploration Co. Amended and Restated 2008 Stock Incentive Plan; the McMoRan Exploration Co. 2005 Stock Incentive Plan, as amended and restated; the McMoRan Exploration Co. 2004 Director Compensation Plan, as amended and restated; the McMoRan Exploration Co. 2003 Stock Incentive Plan, as amended and restated; the McMoRan Exploration Co. 2001 Stock Incentive Plan, as amended and restated; the McMoRan Exploration Co. 2000 Stock Incentive Plan, as amended and restated; the McMoRan Exploration Co. 1998 Stock Option Plan, as amended and restated; and the McMoRan Exploration Co. 1998 Stock Option Plan for Non-Employee Directors, as amended and restated;

of our report dated May 9, 2014relating 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 endedMarch 31, 2014.

/s/ ERNST & YOUNG LLP

Phoenix, Arizona

May 9, 2014

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 9, 2014

By:          /s/  Richard C. Adkerson

Richard C. Adkerson

Vice Chairman,

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 9, 2014

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, 2014, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Richard C. Adkerson, as Vice Chairman, 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 9, 2014

By:          /s/  Richard C. Adkerson

Richard C. Adkerson

Vice Chairman,

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, 2014, 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 9, 2014

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, 2014:

										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)	—	—	—	—	—	—	—	No	No
2900708	Freeport-McMoRan Chino Mines Company (Chino)	15	1	—	—	—	72,034	—	No	No
0200112	Freeport-McMoRan Miami Inc (Miami)	—	—	—	—	—	—	—	No	No
0200024	Freeport-McMoRan Morenci Inc (Morenci)	31	—	1	—	—	59,770	—	No	No
0203131	Freeport-McMoRan Safford Inc (Safford)	2	—	—	—	—	3,882	—	No	No
0200144	Freeport-McMoRan Sierrita Inc (Sierrita)	17	—	—	—	—	46,884	—	No	No
2900159	Tyrone Mine (Tyrone)	4	—	—	—	—	—	—	No	No
0500790	Henderson Operations (Henderson)	3	—	—	—	—	2,861	—	No	No
0502256	Climax Mine (Climax)	5	—	2	—	—	5,876	—	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	—	—	—	—	—	350	—	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, 2014, for citations or orders issued by MSHA during the three months ended March 31, 2014. FCX is currently contesting $5,100 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, 2014. 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, 2014
		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		—	3	—	—	—	—	3	—	—
2900708		—	1	—	—	—	—	1	—	—
2900762		—	—	—	—	—	—	—	—	—
2901882		—	—	—	—	—	—	—	—	—
0200112		—	6	—	—	—	—	6	6	—
0200024	—	—	63	—	—	—	—	63	—	—
0203131		—	—	—	—	—	—	—	—	2
0200144		—	9	—	—	—	—	9	—	—
2900159		—	5	—	—	—	—	5	—	—
0500790		—	—	—	—	—	—	—	—	—
0502256		—	—	—	—	—	—	—	—	—
2900725		—	1	—	—	—	—	1	—	—
2900731		—	1	—	—	—	—	1	—	—
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, 2014, 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.

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Financial Instruments (Unaudited) Unsettled Derivatives (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Paid to brokers associated with margin requirements	$ 11		$ 1
Derivative Asset	11		59
Derivative Liability	401		320
Trade Accounts Receivable [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset	7		53
Derivative Liability	0		0
Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset	0		6
Derivative Liability	0		0
Accounts Payable and Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset	4		0
Derivative Liability	302		205
Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset	0		0
Derivative Liability	99		115
Commodity Contract [Member] | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Asset position	15		69
Liability position	405		330
Derivative Asset, Fair Value, Gross Liability	4		10
Derivative Liability, Fair Value, Gross Asset	4		10
Derivative Asset	11		59
Derivative Liability	401		320
Commodity Contract [Member] | Copper Derivatives [Member] | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Asset position	2		6
Liability position	8		1
Derivative Asset, Fair Value, Gross Liability	2		0
Derivative Liability, Fair Value, Gross Asset	2		0
Derivative Asset	0		6
Derivative Liability	6		1
Commodity Contract [Member] | Copper futures and swap contracts [Member] | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Asset position	2	[1]	6	[1]
Liability position	8	[1]	0	[1]
Commodity Contract [Member] | Copper forward contracts [Member] | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Liability position	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	13		63
Liability position	99		16
Derivative Asset, Fair Value, Gross Liability	2		10
Derivative Liability, Fair Value, Gross Asset	2		10
Derivative Asset	11		53
Derivative Liability	97		6
Commodity Contract [Member] | Natural gas swaps [Member] | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Liability position	10		4
Commodity Contract [Member] | Crude Oil and Natural Gas Derivatives [Member] | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Asset position	0		0
Liability position	298		313
Derivative Asset, Fair Value, Gross Liability	0		0
Derivative Liability, Fair Value, Gross Asset	0		0
Derivative Asset	0		0
Derivative Liability	298		313
Crude Oil Options [Member] | Embedded derivatives in provisional sales/purchases contracts [Member] | Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Liability position	288	[2]	309	[2]
Deferred Option Premiums and Accrued Interest [Member]
Derivatives, Fair Value [Line Items]
Derivative Liability	$ 387		$ 444

[1] FCX paid $11 million to brokers at March 31, 2014, and $1 million at December 31, 2013, for margin requirements (recorded in other current assets).

[2] Included $387 million at March 31, 2014, and $444 million at December 31, 2013, for deferred premiums and accrued interest.

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Subsequent Events (Unaudited) (Details) (Subsequent Event [Member], USD $) In Billions, unless otherwise specified	3 Months Ended
	Jun. 30, 2014
Encana Corporation [Member]
Subsequent Event [Line Items]
Sale and Purchase Transaction, Announcement Date	May 07, 2014
Payments for (Proceeds from) Productive Assets	$ 3.1
Disposal and/or Acquisition Date	Apr. 01, 2014
Threshhold for Determining Accounting Treatment for Oil and Gas Dispositions	25.00%
Apache Corporation [Member]
Subsequent Event [Line Items]
Sale and Purchase Transaction, Announcement Date	May 08, 2014
Payments for (Proceeds from) Productive Assets	$ 1.4
Exploration Leases	11
Disposal and/or Acquisition Date	May 01, 2014
Eagle Ford [Member] | Maximum [Member] | Encana Corporation [Member]
Subsequent Event [Line Items]
Threshhold for Determining Accounting Treatment for Oil and Gas Dispositions	25.00%

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Guarantor Financial Statements (Unaudited) Condensed Consolidating Statements of Income (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenues	$ 4,985	$ 4,583
Total costs and expenses	3,874	3,228
Operating (loss) income	1,111	1,355
Interest expense, net	(161)	(57)
Other income (expense), net	33
Provision for income taxes	(357)	(428)
Equity in affiliated companies' net earnings (losses)	0	2
Net income	626	824
Net income and preferred dividends attributable to noncontrolling interests	(116)
Net income attributable to FCX common stockholders	510	648
Other comprehensive income	3
Total comprehensive income (loss)	513	654
FCX Issuer [Member]
Revenues	0
Total costs and expenses	11
Operating (loss) income	(11)
Interest expense, net	(82)
Other income (expense), net	20
Provision for income taxes	(21)
Equity in affiliated companies' net earnings (losses)	604
Net income	510
Net income and preferred dividends attributable to noncontrolling interests	0
Net income attributable to FCX common stockholders	510
Other comprehensive income	0
Total comprehensive income (loss)	510
FM O&G LLC Guarantor [Member]
Revenues	644
Total costs and expenses	526
Operating (loss) income	118
Interest expense, net	(41)
Other income (expense), net	0
Provision for income taxes	(43)
Equity in affiliated companies' net earnings (losses)	130
Net income	164
Net income and preferred dividends attributable to noncontrolling interests	0
Net income attributable to FCX common stockholders	164
Other comprehensive income	0
Total comprehensive income (loss)	164
Non-Guarantor Subsidiaries [Member]
Revenues	4,341
Total costs and expenses	3,339
Operating (loss) income	1,002
Interest expense, net	(58)
Other income (expense), net	33
Provision for income taxes	(292)
Equity in affiliated companies' net earnings (losses)	185
Net income	870
Net income and preferred dividends attributable to noncontrolling interests	(111)
Net income attributable to FCX common stockholders	759
Other comprehensive income	3
Total comprehensive income (loss)	762
Eliminations [Member]
Revenues	0
Total costs and expenses	(2)
Operating (loss) income	2
Interest expense, net	20
Other income (expense), net	(20)
Provision for income taxes	(1)
Equity in affiliated companies' net earnings (losses)	(919)
Net income	(918)
Net income and preferred dividends attributable to noncontrolling interests	(5)
Net income attributable to FCX common stockholders	(923)
Other comprehensive income	0
Total comprehensive income (loss)	$ (923)

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Income Taxes (Unaudited) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Tax Disclosure [Abstract]
United States operations	$ 136	$ 76
International operations	221	352
Total	$ 357	$ 428
Consolidated effective income tax rate (percent)	36.00%	34.00%

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Fair Value Measurement (Unaudited) (Tables)

3 Months Ended

Mar. 31, 2014

Fair Value Measurement [Abstract]

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

A summary of the changes in the fair value of FCX's Level 3 instruments follows (in millions):

	Crude Oil				Plains Offshore
	Options				Warrants
Fair value at December 31, 2013	$	(309	)		$	(2	)
Net realized losses	(1		)	a	—
Net unrealized (losses) gains included in earnings related to assets and liabilities still held at the end of the period	(36		)	b	1			c
Settlement payments	58				—
Fair value at March 31, 2014	$	(288	)		$	(1	)

a. Recorded in revenues.

b. Included net unrealized losses of $35 million recorded in revenues and $1 million of interest expense associated with the deferred premiums.

c. Recorded in other income (expense), net.

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, accounts payable and accrued liabilities, and dividends payable (refer to Note 7), follows (in millions):

	At March 31, 2014
	Carrying		Fair Value
	Amount		Total		Level 1		Level 2		Level 3
Assets
Investment securities (current and long-term):a,b
U.S. core fixed income fund	$	22	$	22	$	—	$	22	$	—
Money market funds	18		18		18		—		—
Equity securities	4		4		4		—		—
Total	44		44		22		22		—
Legally restricted funds (long-term):a,b,c
U.S. core fixed income fund	49		49		—		49		—
Government bonds and notes	34		34		—		34		—
Government mortgage-backed securities	32		32		—		32		—
Corporate bonds	27		27		—		27		—
Money market funds	26		26		26		—		—
Asset-backed securities	15		15		—		15		—
Municipal bonds	1		1		—		1		—
Total	184		184		26		158		—
Derivatives:a, d
Embedded derivatives in provisional sales/purchase
contracts in a gross asset position	13		13		—		13		—
Copper futures and swap contracts	2		2		1		1		—
Total	15		15		1		14		—
Total assets			$	243	$	49	$	194	$	—
Liabilities
Derivatives:a
Embedded derivatives in provisional sales/purchase
contracts in a gross liability positiond	$	99	$	99	$	—	$	99	$	—
Crude oil optionsd	288		288		—		—		288
Natural gas swapsd	10		10		—		10		—
Copper futures and swap contractsd	8		8		7		1		—
Plains Offshore warrantse	1		1		—		—		1
Total	406		406		7		110		289
Long-term debt, including current portionf	20,850		20,741		—		20,741		—
Total liabilities			$	21,147	$	7	$	20,851	$	289

	At December 31, 2013
	Carrying		Fair Value
	Amount		Total		Level 1		Level 2		Level 3
Assets
Investment securities (current and long-term):a,b
U.S. core fixed income fund	$	21	$	21	$	—	$	21	$	—
Money market funds	18		18		18		—		—
Equity securities	5		5		5		—		—
Total	44		44		23		21		—
Legally restricted funds (long-term):a,b,c
U.S. core fixed income fund	48		48		—		48		—
Government mortgage-backed securities	34		34		—		34		—
Corporate bonds	28		28		—		28		—
Government bonds and notes	28		28		—		28		—
Money market funds	28		28		28		—		—
Asset-backed securities	15		15		—		15		—
Municipal bonds	1		1		—		1		—
Total	182		182		28		154		—
Derivatives:a, d
Embedded derivatives in provisional sales/purchase
contracts in a gross asset position	63		63		—		63		—
Copper futures and swap contracts	6		6		5		1		—
Total	69		69		5		64		—
Total assets			$	295	$	56	$	239	$	—
Liabilities
Derivatives:a
Embedded derivatives in provisional sales/purchase
contracts in a gross liability positiond	$	16	$	16	$	—	$	16	$	—
Crude oil optionsd	309		309		—		—		309
Natural gas swapsd	4		4		—		4		—
Copper forward contractsd	1		1		1		—		—
Plains Offshore warrantse	2		2		—		—		2
Total	332		332		1		20		311
Long-term debt, including current portionf	20,706		20,487		—		20,487		—
Total liabilities			$	20,819	$	1	$	20,507	$	311

a. Recorded at fair value. 

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

c. Legally restricted funds excluded $210 million of time deposits (which approximated fair value) at March 31, 2014, and December 31, 2013, associated with the Cerro Verde royalty dispute.

d. Refer to Note 7 for further discussion and balance sheet classifications. Crude oil options are net of $387 million at March 31, 2014, and $444 million at December 31, 2013, for deferred premiums and accrued interest.

e. Included in other liabilities.

f. Recorded at cost except for debt assumed in acquisitions, which were recorded at fair value at the respective acquisition dates.

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Fair Value Measurement (Unaudited) Unobservable Inputs (Details) (USD $) In Millions, unless otherwise specified							3 Months Ended					3 Months Ended		3 Months Ended		3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Fair Value, Inputs, Level 3 [Member] Fair Value, Measurements, Recurring [Member]		Dec. 31, 2013 Fair Value, Inputs, Level 3 [Member] Fair Value, Measurements, Recurring [Member]		Mar. 31, 2014 Plains Offshore Warrants [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Measurements, Recurring [Member]		Mar. 31, 2014 Crude Oil Options [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Measurements, Recurring [Member]		Mar. 31, 2014 Crude Oil Options [Member] Minimum [Member]	Mar. 31, 2014 Crude Oil Options [Member] Minimum [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Measurements, Recurring [Member]	Mar. 31, 2014 Crude Oil Options [Member] Maximum [Member]	Mar. 31, 2014 Crude Oil Options [Member] Maximum [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Measurements, Recurring [Member]	Mar. 31, 2014 Crude Oil Options [Member] Weighted Average [Member]	Mar. 31, 2014 Crude Oil Options [Member] Weighted Average [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Measurements, Recurring [Member]	Mar. 31, 2014 Sales [Member] Crude Oil Options [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Measurements, Recurring [Member]	Mar. 31, 2014 Interest Expense [Member] Crude Oil Options [Member] Fair Value, Inputs, Level 3 [Member] Fair Value, Measurements, Recurring [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value Assumptions, Implied Volatilities												16.00%		38.00%		21.00%
Deferred Premium Price											5.15		7.22		6.40
Derivative Liability	$ (401)	$ (320)	$ (289)	[1]	$ (311)	[1]	$ (2)		$ (309)
Net realized losses							0		(1)	[2]
Net unrealized (losses) gains included in earnings related to assets and liabilities still held at the end of the period							1	[3]	(36)	[4]							35	1
Settlement payments							0		58
Derivative Liability	$ (401)	$ (320)	$ (289)	[1]	$ (311)	[1]	$ (1)		$ (288)

[1] Recorded at fair value.

[2] Recorded in revenues.

[3] Recorded in other income (expense), net.

[4] Included net unrealized losses of $35 million recorded in revenues and $1 million of interest expense associated with the deferred premiums.

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Financial Instruments (Unaudited) Not Designated as Hedging Instruments (Details)	Mar. 31, 2014 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)	487,000,000
Average contract price	3.21
Average market price	3.01
Maturities through	August 2014
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)	55,000
Average contract price	1,314
Average market price	1,293
Maturities through	June 2014
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)	66,000,000
Average contract price	3.15
Average market price	3.02
Maturities through	July 2014
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)	7,000,000
Average contract price	3.01
Maturities through	April 2014
Copper futures and swap contracts [Member] | Fair Value Hedging [Member] | Derivatives designated as hedging instruments [Member]
Derivative [Line Items]
Open positions (in lbs except gold in oz)	63,000,000
Average contract price	3.13
Maturities through	March 2015

XML

Guarantor Financial Statements (Unaudited) Condensed Consolidating Statements of Cash Flows (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flow from operating activities:
Net income	$ 626	$ 824
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Depreciation, depletion and amortization	966	329
Net losses on crude oil and natural gas derivative contracts	50	0
Equity in (earnings) losses of consolidated subsidiaries	0
Other, net	(28)
Increase (Decrease) in Operating Capital	(413)
Net cash provided by operating activities	1,201	831
Cash flow from investing activities:
Capital expenditures	(1,612)	(805)
Intercompany loans	0
Investment in consolidated subsidiary	0
Other, net	7	14
Net cash used in investing activities	(1,605)	(1,112)
Cash flow from financing activities:
Proceeds from debt	1,149	6,615
Repayments of debt	(987)
Intercompany loans	0
Cash dividends and distributions paid	(403)
Other, net	2
Net cash (used in) provided by financing activities	(239)	6,171
Net (decrease) increase in cash and cash equivalents	(643)	5,890
Cash and cash equivalents at beginning of year	1,985	3,705
Cash and cash equivalents at end of period	1,342	9,595
FCX Issuer [Member]
Cash flow from operating activities:
Net income	510
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Depreciation, depletion and amortization	1
Net losses on crude oil and natural gas derivative contracts	0
Equity in (earnings) losses of consolidated subsidiaries	(604)
Other, net	134
Increase (Decrease) in Operating Capital	(234)
Net cash provided by operating activities	(193)
Cash flow from investing activities:
Capital expenditures	0
Intercompany loans	190
Investment in consolidated subsidiary	212
Other, net	0
Net cash used in investing activities	402
Cash flow from financing activities:
Proceeds from debt	895
Repayments of debt	(780)
Intercompany loans	0
Cash dividends and distributions paid	(326)
Other, net	2
Net cash (used in) provided by financing activities	(209)
Net (decrease) increase in cash and cash equivalents	0
Cash and cash equivalents at beginning of year	0
Cash and cash equivalents at end of period	0
FM O&G LLC Guarantor [Member]
Cash flow from operating activities:
Net income	164
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Depreciation, depletion and amortization	285
Net losses on crude oil and natural gas derivative contracts	50
Equity in (earnings) losses of consolidated subsidiaries	(130)
Other, net	(9)
Increase (Decrease) in Operating Capital	339
Net cash provided by operating activities	699
Cash flow from investing activities:
Capital expenditures	(335)
Intercompany loans	(43)
Investment in consolidated subsidiary	(96)
Other, net	4
Net cash used in investing activities	(470)
Cash flow from financing activities:
Proceeds from debt	0
Repayments of debt	0
Intercompany loans	(213)
Cash dividends and distributions paid	(14)
Other, net	0
Net cash (used in) provided by financing activities	(227)
Net (decrease) increase in cash and cash equivalents	2
Cash and cash equivalents at beginning of year	0
Cash and cash equivalents at end of period	2
Non-Guarantor Subsidiaries [Member]
Cash flow from operating activities:
Net income	870
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Depreciation, depletion and amortization	682
Net losses on crude oil and natural gas derivative contracts	0
Equity in (earnings) losses of consolidated subsidiaries	(185)
Other, net	(140)
Increase (Decrease) in Operating Capital	(518)
Net cash provided by operating activities	709
Cash flow from investing activities:
Capital expenditures	(1,277)
Intercompany loans	0
Investment in consolidated subsidiary	(430)
Other, net	3
Net cash used in investing activities	(1,704)
Cash flow from financing activities:
Proceeds from debt	254
Repayments of debt	(207)
Intercompany loans	66
Cash dividends and distributions paid	237
Other, net	0
Net cash (used in) provided by financing activities	350
Net (decrease) increase in cash and cash equivalents	(645)
Cash and cash equivalents at beginning of year	1,985
Cash and cash equivalents at end of period	1,340
Eliminations [Member]
Cash flow from operating activities:
Net income	(918)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Depreciation, depletion and amortization	(2)
Net losses on crude oil and natural gas derivative contracts	0
Equity in (earnings) losses of consolidated subsidiaries	919
Other, net	(13)
Increase (Decrease) in Operating Capital	0
Net cash provided by operating activities	(14)
Cash flow from investing activities:
Capital expenditures	0
Intercompany loans	(147)
Investment in consolidated subsidiary	314
Other, net	0
Net cash used in investing activities	167
Cash flow from financing activities:
Proceeds from debt	0
Repayments of debt	0
Intercompany loans	147
Cash dividends and distributions paid	(300)
Other, net	0
Net cash (used in) provided by financing activities	(153)
Net (decrease) increase in cash and cash equivalents	0
Cash and cash equivalents at beginning of year	0
Cash and cash equivalents at end of period	$ 0

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Earnings Per Share (Unaudited)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

Earnings Per Share

EARNINGS PER SHARE

FCX uses the two-class method to calculate earnings per share. Under the two-class method, net income is allocated to each class of common stock and participating securities as if all of the earnings for the period had been distributed. FCX’s participating securities consist of vested restricted stock units (RSUs) for which the underlying common shares are not yet issued and entitle holders to non-forfeitable dividends.

FCX’s basic net income per share of common stock was computed by dividing net income attributable to FCX common stockholders by the weighted-average of common stock outstanding during the period. Diluted net income per share of common stock was computed using the most dilutive of (a) the two-class method or (b) the treasury stock method.

The following table sets forth the computation of basic and diluted net income per share (in millions, except per share amounts):

	Three Months Ended
	March 31,
	2014				2013
Net income	$	626			$	824
Net income attributable to noncontrolling interests	(106		)		(176		)
Preferred dividends on redeemable noncontrolling interest	(10		)		—
Undistributed earnings allocated to participating securities	(1		)		—
Net income attributable to FCX common stockholders	$	509			$	648
Basic weighted-average shares of common stock outstanding	1,038				950
Add shares issuable upon exercise or vesting of dilutive stock options and restricted stock units	6			a	3
Diluted weighted-average shares of common stock outstanding	1,044				953
Basic net income per share attributable to FCX common stockholders	$	0.49			$	0.68
Diluted net income per share attributable to FCX common stockholders	$	0.49			$	0.68

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 totaled approximately two million for first-quarter 2014.

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 stock options totaled 30 million with a weighted-average exercise price of $41.04 per option for first-quarter2014 and 29 million with a weighted-average exercise price of $41.35 per option for first-quarter2013.

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Business Segments (Unaudited) (Details) (USD $)	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013		Dec. 31, 2013
Revenues:
Unaffiliated customers	$ 4,985,000,000		$ 4,583,000,000
Intersegment	0		0
Production and delivery	2,737,000,000		2,719,000,000
Depreciation, depletion and amortization	966,000,000		329,000,000
Selling, general and administrative expenses	135,000,000		113,000,000
Mining exploration and research expenses	30,000,000		52,000,000
Environmental obligations and shutdown costs	6,000,000		15,000,000
Operating income (loss)	1,111,000,000		1,355,000,000
Interest expense, net	161,000,000		57,000,000
Provision for income taxes	357,000,000		428,000,000
Total assets	63,843,000,000		42,588,000,000		63,473,000,000
Capital expenditures	1,612,000,000		805,000,000
Mining Operations [Member]
Revenues:
Unaffiliated customers	3,724,000,000		4,581,000,000
Intersegment	0		0
Production and delivery	2,426,000,000		2,716,000,000
Depreciation, depletion and amortization	346,000,000		327,000,000
Selling, general and administrative expenses	38,000,000		45,000,000
Mining exploration and research expenses	30,000,000		49,000,000
Environmental obligations and shutdown costs	6,000,000		15,000,000
Operating income (loss)	878,000,000		1,429,000,000
Interest expense, net	23,000,000		27,000,000
Provision for income taxes	169,000,000		315,000,000
Total assets	36,885,000,000		34,800,000,000
Capital expenditures	1,024,000,000		797,000,000
North America Copper Mines [Member]
Revenues:
Unaffiliated customers	84,000,000		125,000,000
Intersegment	1,202,000,000		1,260,000,000
Production and delivery	786,000,000		799,000,000
Depreciation, depletion and amortization	107,000,000		102,000,000
Selling, general and administrative expenses	1,000,000		1,000,000
Mining exploration and research expenses	2,000,000		0
Environmental obligations and shutdown costs	0		(4,000,000)
Operating income (loss)	390,000,000		487,000,000
Interest expense, net	1,000,000		1,000,000
Provision for income taxes	0		0
Total assets	9,239,000,000		8,372,000,000
Capital expenditures	303,000,000		257,000,000
Morenci [Member]
Revenues:
Unaffiliated customers	23,000,000		80,000,000
Intersegment	444,000,000		436,000,000
Production and delivery	283,000,000		297,000,000
Depreciation, depletion and amortization	34,000,000		33,000,000
Selling, general and administrative expenses	0		0
Mining exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	150,000,000		186,000,000
Interest expense, net	1,000,000		1,000,000
Provision for income taxes	0		0
Total assets	3,412,000,000		2,589,000,000
Capital expenditures	244,000,000		153,000,000
Other North America Copper Mines [Member]
Revenues:
Unaffiliated customers	61,000,000		45,000,000
Intersegment	758,000,000		824,000,000
Production and delivery	503,000,000		502,000,000
Depreciation, depletion and amortization	73,000,000		69,000,000
Selling, general and administrative expenses	1,000,000		1,000,000
Mining exploration and research expenses	2,000,000		0
Environmental obligations and shutdown costs	0		(4,000,000)
Operating income (loss)	240,000,000		301,000,000
Interest expense, net	0		0
Provision for income taxes	0		0
Total assets	5,827,000,000		5,783,000,000
Capital expenditures	59,000,000		104,000,000
South America Mines [Member]
Revenues:
Unaffiliated customers	702,000,000		850,000,000
Intersegment	196,000,000		164,000,000
Production and delivery	476,000,000		475,000,000
Depreciation, depletion and amortization	87,000,000		71,000,000
Selling, general and administrative expenses	2,000,000		1,000,000
Mining exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	333,000,000		467,000,000
Interest expense, net	0		0
Provision for income taxes	127,000,000		151,000,000
Total assets	10,816,000,000		10,327,000,000
Capital expenditures	423,000,000		226,000,000
Cerro Verde [Member]
Revenues:
Unaffiliated customers	280,000,000		290,000,000
Intersegment	64,000,000		109,000,000
Production and delivery	165,000,000		171,000,000
Depreciation, depletion and amortization	36,000,000		33,000,000
Selling, general and administrative expenses	1,000,000		0
Mining exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	142,000,000		195,000,000
Interest expense, net	0		0
Provision for income taxes	57,000,000		64,000,000
Total assets	6,757,000,000		5,968,000,000
Capital expenditures	400,000,000		164,000,000
Candelaria [Member]
Revenues:
Unaffiliated customers	128,000,000		253,000,000
Intersegment	128,000,000		55,000,000
Production and delivery	150,000,000		167,000,000
Depreciation, depletion and amortization	19,000,000		9,000,000
Selling, general and administrative expenses	0		1,000,000
Mining exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	87,000,000		131,000,000
Interest expense, net	0		0
Provision for income taxes	36,000,000		44,000,000
Total assets	1,591,000,000		1,852,000,000
Capital expenditures	10,000,000		40,000,000
Other South America Mines [Member]
Revenues:
Unaffiliated customers	294,000,000		307,000,000
Intersegment	4,000,000		0
Production and delivery	161,000,000		137,000,000
Depreciation, depletion and amortization	32,000,000		29,000,000
Selling, general and administrative expenses	1,000,000		0
Mining exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	104,000,000		141,000,000
Interest expense, net	0		0
Provision for income taxes	34,000,000		43,000,000
Total assets	2,468,000,000		2,507,000,000
Capital expenditures	13,000,000		22,000,000
Indonesia - Grasberg [Member]
Revenues:
Unaffiliated customers	462,000,000	[1]	864,000,000	[1]
Intersegment	8,000,000		67,000,000
Production and delivery	383,000,000		563,000,000
Depreciation, depletion and amortization	48,000,000		55,000,000
Selling, general and administrative expenses	21,000,000		26,000,000
Mining exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	18,000,000		287,000,000
Interest expense, net	0		2,000,000
Provision for income taxes	18,000,000		120,000,000
Total assets	7,466,000,000		6,862,000,000
Capital expenditures	236,000,000		191,000,000
Africa - Tenke [Member]
Revenues:
Unaffiliated customers	306,000,000		438,000,000
Intersegment	21,000,000		0
Production and delivery	152,000,000		185,000,000
Depreciation, depletion and amortization	51,000,000		58,000,000
Selling, general and administrative expenses	3,000,000		3,000,000
Mining exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	121,000,000		192,000,000
Interest expense, net	0		0
Provision for income taxes	24,000,000		44,000,000
Total assets	4,904,000,000		4,894,000,000
Capital expenditures	31,000,000		57,000,000
Molybdenum mines [Member]
Revenues:
Unaffiliated customers	0		0
Intersegment	126,000,000		143,000,000
Production and delivery	76,000,000		80,000,000
Depreciation, depletion and amortization	22,000,000		20,000,000
Selling, general and administrative expenses	0		0
Mining exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	28,000,000		43,000,000
Interest expense, net	0		0
Provision for income taxes	0		0
Total assets	2,101,000,000		2,033,000,000
Capital expenditures	19,000,000		40,000,000
Rod & Refining [Member]
Revenues:
Unaffiliated customers	1,146,000,000		1,330,000,000
Intersegment	8,000,000		7,000,000
Production and delivery	1,148,000,000		1,328,000,000
Depreciation, depletion and amortization	2,000,000		3,000,000
Selling, general and administrative expenses	0		0
Mining exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	4,000,000		6,000,000
Interest expense, net	0		0
Provision for income taxes	0		0
Total assets	289,000,000		316,000,000
Capital expenditures	1,000,000		1,000,000
Atlantic Copper Smelting & Refining [Member]
Revenues:
Unaffiliated customers	588,000,000		633,000,000
Intersegment	5,000,000		6,000,000
Production and delivery	588,000,000		628,000,000
Depreciation, depletion and amortization	10,000,000		10,000,000
Selling, general and administrative expenses	4,000,000		5,000,000
Mining exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	(9,000,000)		(4,000,000)
Interest expense, net	4,000,000		4,000,000
Provision for income taxes	0		0
Total assets	951,000,000		918,000,000
Capital expenditures	1,000,000		8,000,000
Other Mining & Eliminations [Member]
Revenues:
Unaffiliated customers	436,000,000	[2]	341,000,000	[2]
Intersegment	(1,566,000,000)		(1,647,000,000)
Production and delivery	(1,183,000,000)		(1,342,000,000)
Depreciation, depletion and amortization	19,000,000		8,000,000
Selling, general and administrative expenses	7,000,000		9,000,000
Mining exploration and research expenses	28,000,000		49,000,000
Environmental obligations and shutdown costs	6,000,000		19,000,000
Operating income (loss)	(7,000,000)		(49,000,000)
Interest expense, net	18,000,000		20,000,000
Provision for income taxes	0		0
Total assets	1,119,000,000		1,078,000,000
Capital expenditures	10,000,000		17,000,000
Oil & Gas Operations [Member]
Revenues:
Unaffiliated customers	1,261,000,000	[3]	0
Intersegment	0		0
Production and delivery	311,000,000		0
Depreciation, depletion and amortization	616,000,000		0
Selling, general and administrative expenses	57,000,000		0
Mining exploration and research expenses	0		0
Environmental obligations and shutdown costs	0		0
Operating income (loss)	277,000,000		0
Interest expense, net	76,000,000		0
Provision for income taxes	0		0
Total assets	26,385,000,000		0
Capital expenditures	579,000,000		0
Corporate, Other & Eliminations [Member]
Revenues:
Unaffiliated customers	0		2,000,000
Intersegment	0		0
Production and delivery	0		3,000,000
Depreciation, depletion and amortization	4,000,000		2,000,000
Selling, general and administrative expenses	40,000,000		68,000,000
Mining exploration and research expenses	0		3,000,000
Environmental obligations and shutdown costs	0		0
Operating income (loss)	(44,000,000)		(74,000,000)
Interest expense, net	62,000,000		30,000,000
Provision for income taxes	188,000,000		113,000,000
Total assets	573,000,000		7,788,000,000	[4]
Capital expenditures	9,000,000		8,000,000
Crude oil and natural gas swaps [Member]
Revenues:
Net mark-to-market losses on derivative contracts	(50,000,000)
Senior Notes [Member]
Revenues:
Proceeds from Issuance of Long-term Debt			6,400,000,000
Pt Smelting [Member]
Segment Reporting Information [Line Items]
Deferred Intercompany Profit, Percentage	25.00%
Revenues:
Revenues	$ 373,000,000		$ 430,000,000

[1] Included PT-FI’s sales to PT Smelting totaling $373 million in first-quarter 2014 and $430 million in first-quarter 2013.

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

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

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Acquisitions (Unaudited) (Details) (USD $)	6 Months Ended		3 Months Ended				6 Months Ended
	Jun. 30, 2013 Plains Exploration & Production Company [Member]	Jun. 30, 2013 McMoRan Exploration Co [Member]	Mar. 31, 2013 Kokkola Cobalt Chemicals Refinery [Member]	Mar. 31, 2013 Senior Notes [Member]	Mar. 31, 2014 Senior Notes [Member]	Mar. 07, 2013 Senior Notes [Member]	Jun. 30, 2013 Bank Term Loan [Member]	Mar. 31, 2014 Bank Term Loan [Member]	Feb. 14, 2013 Bank Term Loan [Member]
Business Acquisition [Line Items]
Debt Instrument, Face Amount					$ 6,500,000,000	$ 6,500,000,000		$ 4,000,000,000	$ 4,000,000,000
Proceeds from Issuance of Long-term Debt				$ 6,400,000,000
Term of Debt Agreement							5 years
Business Acquisition, Effective Date of Acquisition	May 31, 2013	Jun. 03, 2013	Mar. 29, 2013

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General Information (Unaudited) (Details)	6 Months Ended
	Jun. 30, 2013
Plains Exploration & Production Company [Member]
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition	May 31, 2013
McMoRan Exploration Co [Member]
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition	Jun. 03, 2013

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Guarantor Financial Statements (Unaudited) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Mar. 07, 2013
Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 6,500	$ 6,500
FM O&G LLC Guarantor [Member]
Debt Instrument [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	100.00%

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Acquisitions (Unaudited) Pro Forma Information (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Acquisitions [Abstract]
Business Acquisition, Pro Forma Revenues		$ 5,695,000,000
Business Acquisition, Pro Forma Operating Income		1,580,000,000
Business Acquisition, Pro Forma Income from Continuing Operations		913,000,000
Business Acquisition, Pro Forma Net Income		728,000,000
Business Acquisition, Pro Forma Earnings Per Share, Basic		$ 0.70
Business Acquisition, Pro Forma Earnings Per Share, Diluted		$ 0.70
Gain (Loss) on Sale of Oil and Gas Property, Excluded for Full Cost Accounting	$ 77,000,000

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Earnings Per Share (Unaudited) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Earnings Per Share [Abstract]
Net income	$ 626		$ 824
Net income attributable to noncontrolling interests	(106)		(176)
Preferred dividends on redeemable noncontrolling interest	(10)		0
Undistributed earnings allocated to participating securities	(1)		0
Net income attributable to FCX common stockholders	$ 509		$ 648
Basic weighted-average shares of common stock outstanding	1,038		950
Add shares issuable upon exercise or vesting of dilutive stock options and restricted stock units	6	[1]	3
Diluted weighted-average shares of common stock outstanding	1,044		953
Basic net income per share attributable to FCX common stockholders	$ 0.49		$ 0.68
Diluted net income per share attributable to FCX common stockholders	$ 0.49		$ 0.68
Potential anti-dilutive additional shares of common stock (in shares)	2
Outstanding stock options with exercise prices greater than average market price of common stock	30		29
Weighted-average exercise price of outstanding stock options not in-the-money	$ 41.04		$ 41.35

[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 totaled approximately two million for first-quarter 2014.

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Acquisitions (Unaudited) (Notes)

3 Months Ended

Mar. 31, 2014

Acquisitions [Abstract]

Business Combination Disclosure [Text Block]

ACQUISITIONS

Oil and Gas. The second-quarter 2013 acquisitions of PXP and MMR added a portfolio of oil and gas assets to FCX's global mining business, creating a U.S.-based natural resources company. The acquisitions have been accounted for under the acquisition method, with FCX as the acquirer. As further discussed in Note 6, FCX issued $6.5 billion of unsecured senior notes in March 2013 for net proceeds of $6.4 billion, which was used, together with borrowings under a $4.0 billion unsecured five-year bank term loan, to fund the cash portion of the merger consideration for both transactions, to repay certain indebtedness of PXP and for general corporate purposes.

There were no changes during the first quarter of 2014 to the preliminary purchase price allocations; however, the final valuation of assets acquired, liabilities assumed and redeemable noncontrolling interest is not complete and the net adjustments to those values may result in changes to goodwill and other carrying amounts initially assigned to the assets, liabilities and redeemable noncontrolling interest based on the preliminary fair value analysis. The principal remaining items to be valued are tax assets and liabilities, and any related valuation allowances, which will be finalized in the second quarter of 2014 in connection with the filing of related tax returns.

For further discussion of the acquisitions, refer to Note 2 in FCX's annual report on Form 10-K for the year ended December 31, 2013.

Unaudited Pro Forma Consolidated Financial Information. The following unaudited pro forma financial information has been prepared to reflect the acquisitions of PXP and MMR. The unaudited pro forma financial information combines the historical statements of income of FCX, PXP and MMR (including the pro forma effects of PXP's Deepwater Gulf of Mexico (GOM) acquisition that was completed on November 30, 2012) for the three months ended March 31, 2013, giving effect to the mergers as if they had occurred on January 1, 2012. The historical consolidated financial information has been adjusted to reflect factually supportable items that are directly attributable to the acquisitions.

	Three Months
	Ended
	March 31, 2013
	(in millions, except per share amounts)
Revenues	$	5,695
Operating income	1,580
Income from continuing operations	913
Net income attributable to FCX common stockholders	728
Net income per share attributable to FCX common stockholders:
Basic	$	0.70
Diluted	0.70

The unaudited pro forma consolidated information has been prepared for illustrative purposes only and is not intended to be indicative of the results of operations that actually would have occurred, or the results of operations expected in future periods, had the events reflected herein occurred on the dates indicated. The most significant pro forma adjustment to income from continuing operations for the three months ended March 31, 2013, was to exclude a $77 million gain on the sale of MMR oil and gas properties because of the application of the full cost method of accounting.

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 from FCX's Africa mining operations. For further discussion of this acquisition, refer to Note 2 in FCX’s annual report on Form 10-K for the year ended December 31, 2013.

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Inventories, Including Long-Term Mill and Leach Stockpiles (Unaudited) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Components of Inventories [Line Items]
Raw materials (primarily concentrates)	$ 247		$ 238
Work-in-process	188	[1]	199	[1]
Finished goods	1,269	[2]	1,146	[2]
Total product inventories	1,704		1,583
Mill and leach stockpiles	1,772		1,705
Total materials and supplies, net	1,744	[3]	1,730	[3]
Long-term mill and leach stockpiles	2,472		2,386
Inventory obsolescence reserves	21		24
Current [Member]
Components of Inventories [Line Items]
Mill stockpiles	90		91
Leach stockpiles	1,682		1,614
Mill and leach stockpiles	1,772		1,705
Long-Term [Member]
Components of Inventories [Line Items]
Mill stockpiles	730		698
Leach stockpiles	1,742		1,688
Long-term mill and leach stockpiles	$ 2,472	[4]	$ 2,386	[4]

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

[2] Primarily included molybdenum concentrates; copper concentrates, anodes, cathodes and rod; and various cobalt products.

[3] Materials and supplies inventory was net of obsolescence reserves totaling $21 million at March 31, 2014, and $24 million at December 31, 2013.

[4] Estimated metals in stockpiles not expected to be recovered within the next 12 months.

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Financial Instruments (Unaudited) Other Financial Instruments (Details) (USD $) In Millions, unless otherwise specified							3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2014 Time Deposits [Member]	Dec. 31, 2013 Time Deposits [Member]	Mar. 31, 2014 Plains Offshore Operations Inc. [Member]
Cash and Cash Equivalents [Line Items]
Credit Derivative, Maximum Exposure, Undiscounted	$ 11
Cash and cash equivalents	$ 1,342	$ 1,985	$ 9,595	$ 3,705	$ 39	$ 211
Preferred Stock, Dividend Rate, Percentage							8.00%

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Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 1,342		$ 1,985
Trade accounts receivable	1,511		1,728
Other accounts receivable	866		834
Inventories:
Mill and leach stockpiles	1,772		1,705
Materials and supplies, net	1,744	[1]	1,730	[1]
Product	1,704		1,583
Other current assets	491		407
Total current assets	9,430		9,972
Property, plant, equipment and mining development costs, net	24,729		24,042
Oil and gas properties - full cost method
Subject to amortization, less accumulated amortization	12,562		12,472
Not subject to amortization	10,775		10,887
Long-term mill and leach stockpiles	2,472		2,386
Goodwill	1,916		1,916
Other assets	1,959		1,798
Total assets	63,843		63,473
Current liabilities:
Accounts payable and accrued liabilities	3,543		3,708
Current portion of debt	1,091		312
Dividends payable	333		333
Current portion of environmental and asset retirement obligations	254		236
Accrued income taxes	162		184
Total current liabilities	5,383		4,773
Long-term debt, less current portion	19,759		20,394
Deferred income taxes	7,504		7,410
Environmental and asset retirement obligations, less current portion	3,276		3,259
Other liabilities	1,695		1,690
Total liabilities	37,617		37,526
Redeemable noncontrolling interest	743		716
FCX stockholders’ equity:
Common stock	117		117
Capital in excess of par value	22,192		22,161
Retained earnings	2,926		2,742
Accumulated other comprehensive loss	(402)		(405)
Common stock held in treasury	(3,683)		(3,681)
Total FCX stockholders’ equity	21,150		20,934
Noncontrolling interests	4,333		4,297
Total equity	25,483		25,231
Total liabilities and equity	$ 63,843		$ 63,473

[1] Materials and supplies inventory was net of obsolescence reserves totaling $21 million at March 31, 2014, and $24 million at December 31, 2013.

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Guarantor Financial Statements (Unaudited) Condensed Consolidating Balance Sheets (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013		Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 1,342		$ 1,985		$ 9,595	$ 3,705
Accounts receivable	2,377		2,562
Other current assets	5,711		5,425
Total current assets	9,430		9,972
Property, plant, equipment and mining development costs, net	24,729		24,042
Oil and gas properties - full cost method
Subject to amortization, less accumulated amortization	12,562		12,472
Not subject to amortization	10,775		10,887
Investments in consolidated subsidiaries	0		0
Goodwill	1,916		1,916
Other assets	4,431		4,184
Total assets	63,843		63,473		42,588
LIABILITIES AND EQUITY
Current liabilities	5,383		4,773
Long-term debt, less current portion	19,759		20,394
Deferred income taxes	7,504		7,410
Environmental and asset retirement obligations, less current portion	3,276		3,259
Other liabilities	1,695		1,690
Total liabilities	37,617		37,526
Redeemable noncontrolling interest	743		716
Equity:
Stockholders' equity	21,150		20,934
Noncontrolling interests	4,333		4,297
Total equity	25,483		25,231
Total liabilities and equity	63,843		63,473
FCX Issuer [Member]
Current assets:
Cash and cash equivalents	0		0
Accounts receivable	22		855
Other current assets	102		114
Total current assets	124		969
Property, plant, equipment and mining development costs, net	26		27
Oil and gas properties - full cost method
Subject to amortization, less accumulated amortization	0		0
Not subject to amortization	0		0
Investments in consolidated subsidiaries	31,628		31,162
Goodwill	0		0
Other assets	7,478		7,126
Total assets	39,256		39,284
LIABILITIES AND EQUITY
Current liabilities	1,244		1,003
Long-term debt, less current portion	12,585		13,184
Deferred income taxes	4,246	[1]	4,137	[1]
Environmental and asset retirement obligations, less current portion	0		0
Other liabilities	31		26
Total liabilities	18,106		18,350
Redeemable noncontrolling interest	0		0
Equity:
Stockholders' equity	21,150		20,934
Noncontrolling interests	0		0
Total equity	21,150		20,934
Total liabilities and equity	39,256		39,284
FM O&G LLC Guarantor [Member]
Current assets:
Cash and cash equivalents	2		0
Accounts receivable	324		659
Other current assets	107		38
Total current assets	433		697
Property, plant, equipment and mining development costs, net	45		43
Oil and gas properties - full cost method
Subject to amortization, less accumulated amortization	6,331		6,207
Not subject to amortization	2,524		2,649
Investments in consolidated subsidiaries	9,939		9,712
Goodwill	437		437
Other assets	4,687		4,640
Total assets	24,396		24,385
LIABILITIES AND EQUITY
Current liabilities	879		758
Long-term debt, less current portion	6,967		7,199
Deferred income taxes	0		0
Environmental and asset retirement obligations, less current portion	305		301
Other liabilities	3,409		3,436
Total liabilities	11,560		11,694
Redeemable noncontrolling interest	0		0
Equity:
Stockholders' equity	12,836		12,691
Noncontrolling interests	0		0
Total equity	12,836		12,691
Total liabilities and equity	24,396		24,385
Non-Guarantor Subsidiaries [Member]
Current assets:
Cash and cash equivalents	1,340		1,985
Accounts receivable	2,088		2,258
Other current assets	5,502		5,273
Total current assets	8,930		9,516
Property, plant, equipment and mining development costs, net	24,658		23,972
Oil and gas properties - full cost method
Subject to amortization, less accumulated amortization	6,223		6,265
Not subject to amortization	8,251		8,238
Investments in consolidated subsidiaries	12,680		12,468
Goodwill	1,479		1,479
Other assets	4,293		4,128
Total assets	66,514		66,066
LIABILITIES AND EQUITY
Current liabilities	3,317		4,222
Long-term debt, less current portion	8,809		8,056
Deferred income taxes	3,258		3,273
Environmental and asset retirement obligations, less current portion	2,971		2,958
Other liabilities	1,680		1,893
Total liabilities	20,035		20,402
Redeemable noncontrolling interest	743		716
Equity:
Stockholders' equity	41,864		41,100
Noncontrolling interests	3,872		3,848
Total equity	45,736		44,948
Total liabilities and equity	66,514		66,066
Eliminations [Member]
Current assets:
Cash and cash equivalents	0		0
Accounts receivable	(57)		(1,210)
Other current assets	0		0
Total current assets	(57)		(1,210)
Property, plant, equipment and mining development costs, net	0		0
Oil and gas properties - full cost method
Subject to amortization, less accumulated amortization	8		0
Not subject to amortization	0		0
Investments in consolidated subsidiaries	(54,247)		(53,342)
Goodwill	0		0
Other assets	(12,027)		(11,710)
Total assets	(66,323)		(66,262)
LIABILITIES AND EQUITY
Current liabilities	(57)		(1,210)
Long-term debt, less current portion	(8,602)		(8,045)
Deferred income taxes	0		0
Environmental and asset retirement obligations, less current portion	0		0
Other liabilities	(3,425)		(3,665)
Total liabilities	(12,084)		(12,920)
Redeemable noncontrolling interest	0		0
Equity:
Stockholders' equity	(54,700)		(53,791)
Noncontrolling interests	461		449
Total equity	(54,239)		(53,342)
Total liabilities and equity	$ (66,323)		$ (66,262)

[1] All U.S. related deferred income taxes are recorded at the parent company.

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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 [Member]	Accumulated Other Comprehensive Loss [Member]	Common Stock Held in Treasury [Member]	Noncontrolling Interests [Member]
Balance at Dec. 31, 2013	$ 25,231	$ 20,934	$ 117	$ 22,161	$ 2,742	$ (405)	$ (3,681)	$ 4,297
Balance (in shares) at Dec. 31, 2013			1,165				127
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercised and issued stock-based awards	5	5	0	5	0	0	0	0
Exercised and issued stock-based awards (in shares)			1				0
Stock-based compensation	26	26	0	26	0	0	0	0
Tender of shares for stock-based awards	(2)	(2)	0	0	0	0	(2)	0
Tender of shares for stock-based awards (in shares)			0				0
Dividends on common stock	(326)	(326)	0	0	(326)	0	0	0
Dividends to noncontrolling interests	(70)	0	0	0	0	0	0	(70)
Net income attributable to FCX common stockholders	510	510	0	0	510	0	0	0
Net income attributable to noncontrolling interests	106	0	0	0	0	0	0	106
Other comprehensive income	3	3	0	0	0	3	0	0
Balance at Mar. 31, 2014	$ 25,483	$ 21,150	$ 117	$ 22,192	$ 2,926	$ (402)	$ (3,683)	$ 4,333
Balance (in shares) at Mar. 31, 2014			1,166				127

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Debt and Equity Transactions (Unaudited) Interest, Dividends and Maturities (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Capitalized Interest [Line Items]
Interest costs incurred	$ 224	$ 75
Interest costs capitalized	63	18
Dividends Payable, Date Declared	Mar. 26, 2014
Authorized Quarterly Rate Of Common Stock Dividend	$ 0.3125
Dividends Payable, Date to be Paid	May 01, 2014
Dividends Payable, Date of Record	Apr. 15, 2014
Property, Plant, Equipment and Mining Development Costs, Net [Member]
Capitalized Interest [Line Items]
Interest costs capitalized	40
Oil and Gas Properties Not Subject to Amortization [Member]
Capitalized Interest [Line Items]
Interest costs capitalized	$ 23

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

3 Months Ended

Mar. 31, 2014

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

Components of inventories

The components of inventories follow (in millions):

	March 31, 2014		December 31, 2013
Current inventories:
Raw materials (primarily concentrates)	$	247	$	238
Work-in-processa	188		199
Finished goodsb	1,269		1,146
Total product inventories	$	1,704	$	1,583
Mill stockpiles	$	90	$	91
Leach stockpiles	1,682		1,614
Total current mill and leach stockpiles	$	1,772	$	1,705
Total materials and supplies, netc	$	1,744	$	1,730
Long-term inventories:
Mill stockpiles	$	730	$	698
Leach stockpiles	1,742		1,688
Total long-term mill and leach stockpilesd	$	2,472	$	2,386

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

b. Primarily included molybdenum concentrates; copper concentrates, anodes, cathodes and rod; and various cobalt products.

c. Materials and supplies inventory was net of obsolescence reserves totaling $21 million at March 31, 2014, and $24 million at December 31, 2013.

d. Estimated metals in stockpiles not expected to be recovered within the next 12 months.

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Financial Instruments (Unaudited) (Details) (Commodity Contract [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Fair Value Hedging [Member] | Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative financial instruments	$ (12)		$ (12)
Hedged item – firm sales commitments	12		12
Matured derivative financial instruments	(2)		(2)
Derivatives not designated as hedging instruments [Member] | Embedded derivatives in provisional sales contracts [Member] | Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Realized and unrealized gains (losses)	(169)	[1]	(83)	[1]
Derivatives not designated as hedging instruments [Member] | Copper forward contracts [Member] | Amounts recorded in Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Realized and unrealized gains (losses)	1	[2]	3	[2]
Derivatives not designated as hedging instruments [Member] | Plains Exploration & Production Company [Member] | Crude Oil Options [Member] | Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Realized and unrealized gains (losses)	(36)	[1]	0	[1]
Derivatives not designated as hedging instruments [Member] | Plains Exploration & Production Company [Member] | Natural gas swaps [Member] | Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Realized and unrealized gains (losses)	$ (14)	[1]	$ 0	[1]

[1] Amounts recorded in revenues.

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

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Financial Instruments (Unaudited) (Tables)

3 Months Ended

Mar. 31, 2014

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 follows (in millions):

	Three Months Ended
	March 31,
	2014			2013
Copper futures and swap contracts:
Unrealized (losses) gains:
Derivative financial instruments	$	(12	)	$	(12	)
Hedged item – firm sales commitments	12			12
Realized losses:
Matured derivative financial instruments	(2		)	(2		)

Schedule of Derivative Instruments

A summary of FCX’s embedded commodity derivatives at March 31, 2014, follows:

	Open Positions	Average Price Per Unit				Maturities Through
		Contract		Market
Embedded derivatives in provisional sales contracts:
Copper (millions of pounds)	487	$	3.21	$	3.01	August 2014
Gold (thousands of ounces)	55	1,314		1,293		June 2014
Embedded derivatives in provisional purchase contracts:
Copper (millions of pounds)	66	3.15		3.02		July 2014

At March 31, 2014, the outstanding crude oil option contracts, all of which settle monthly, follow:

			Average Strike Price (per barrel)a
Period	Instrument Type	Daily Volumes (thousand barrels)	Floor		Floor Limit		Average Deferred Premium  (per barrel)		Index
2014
Apr - Dec	Put optionsb	75	$	90	$	70	$	5.74	Brent
Apr - Dec	Put optionsb	30	95		75		6.09		Brent
Apr - Dec	Put optionsb	5	100		80		7.11		Brent
2015
Jan - Dec	Put optionsb	84	90		70		6.89		Brent

a. The average strike prices do not reflect any premiums to purchase the put options.

b. If the index price is less than the per barrel floor, FCX receives the difference between the per barrel floor and the index price up to a maximum of $20 per barrel less the option premium. If the index price is at or above the per barrel floor, FCX pays the option premium and no cash settlement is received.

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,
	2014			2013
Embedded derivatives in provisional copper and gold
sales contractsa	$	(169	)	$	(83	)
Crude oil optionsa	(36		)	—
Natural gas swapsa	(14		)	—
Copper forward contractsb	1			3

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 commodity derivative financial instruments follows (in millions):

	March 31, 2014		December 31, 2013
Commodity Derivative Assets:
Derivatives designated as hedging instruments:
Copper futures and swap contracts:a	$	2	$	6
Derivatives not designated as hedging instruments:
Embedded derivatives in provisional copper and gold
sales/purchase contracts	13		63
Total derivative assets	$	15	$	69
Commodity Derivative Liabilities:
Derivatives designated as hedging instruments:
Copper futures and swap contractsa	$	8	$	—
Derivatives not designated as hedging instruments:
Embedded derivatives in provisional copper and gold
sales/purchase contracts	99		16
Crude oil optionsb	288		309
Natural gas swaps	10		4
Copper forward contracts	—		1
Total derivative liabilities	$	405	$	330

a. FCX paid $11 million to brokers at March 31, 2014, and $1 million at December 31, 2013, for margin requirements (recorded in other current assets).

b. Included $387 million at March 31, 2014, and $444 million at December 31, 2013, for deferred premiums and accrued interest.

A summary of these unsettled commodity contracts that are offset in the balance sheet follows (in millions):

	Assets				Liabilities
	March 31, 2014		December 31, 2013		March 31, 2014		December 31, 2013
Gross amounts recognized:
Commodity contracts:
Embedded derivatives on provisional
sales/purchase contracts	$	13	$	63	$	99	$	16
Crude oil and natural gas derivatives	—		—		298		313
Copper derivatives	2		6		8		1
	15		69		405		330
Less gross amounts of offset:
Commodity contracts:
Embedded derivatives on provisional
sales/purchase contracts	2		10		2		10
Crude oil and natural gas derivatives	—		—		—		—
Copper derivatives	2		—		2		—
	4		10		4		10
Net amounts presented in balance sheet:
Commodity contracts:
Embedded derivatives on provisional
sales/purchase contracts	11		53		97		6
Crude oil and natural gas derivatives	—		—		298		313
Copper derivatives	—		6		6		1
	$	11	$	59	$	401	$	320
Balance sheet classification:
Trade accounts receivable	$	7	$	53	$	—	$	—
Other current assets	—		6		—		—
Accounts payable and accrued liabilities	4		—		302		205
Other liabilities	—		—		99		115
	$	11	$	59	$	401	$	320

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General Information (Unaudited)

3 Months Ended

Mar. 31, 2014

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, 2013. 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, 2014, are not necessarily indicative of the results that may be expected for the year ending December 31, 2014.

As further discussed in Note 2, FCX completed its acquisitions of Plains Exploration & Production Company (PXP) on May 31, 2013, and McMoRan Exploration Co. (MMR) on June 3, 2013, collectively known as FCX Oil & Gas Inc. (FM O&G). The results included in these financial statements for the three months endedMarch 31, 2013, do not include PXP's or MMR's results.

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Consolidated Statements of Income (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenues	$ 4,985	$ 4,583
Cost of sales:
Production and delivery	2,737	2,719
Depreciation, depletion and amortization	966	329
Total cost of sales	3,703	3,048
Selling, general and administrative expenses	135	113
Mining exploration and research expenses	30	52
Environmental obligations and shutdown costs	6	15
Total costs and expenses	3,874	3,228
Operating income	1,111	1,355
Interest expense, net	(161)	(57)
Losses on early extinguishment of debt	0	(45)
Other income (expense), net	33	(3)
Income before income taxes and equity in affiliated companies' net earnings	983	1,250
Provision for income taxes	(357)	(428)
Equity in affiliated companies’ net earnings	0	2
Net income	626	824
Net income attributable to noncontrolling interests	(106)	(176)
Preferred dividends attributable to redeemable noncontrolling interest	(10)	0
Net income attributable to FCX common stockholders	$ 510	$ 648
Net income per share attributable to FCX common stockholders:
Basic	$ 0.49	$ 0.68
Diluted	$ 0.49	$ 0.68
Weighted-average common shares outstanding:
Basic	1,038	950
Diluted	1,044	953
Dividends declared per share of common stock	$ 0.3125	$ 0.3125

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Guarantor Financial Statements (Unaudited) (Notes)

3 Months Ended

Mar. 31, 2014

Guarantor Financial Statements [Abstract]

Guarantor Financial Statements [Text Block]

GUARANTOR FINANCIAL STATEMENTS

As further discussed in Note 6, in March 2013, FCX completed the sale of $6.5 billion of senior notes. These notes, along with FCX's senior notes sold in February 2012, are fully and unconditionally guaranteed on a senior basis jointly and severally by FM O&G LLC, as guarantor, which is a 100 percent owned subsidiary of FM O&G and FCX. The guarantee is an unsecured obligation of the guarantor and ranks equal in right of payment with all existing and future indebtedness of FCX, including indebtedness under the revolving credit facility. The guarantee ranks senior in right of payment with all future subordinated obligations and is effectively subordinated in right of payment to any debt of FCX's subsidiaries that are not subsidiary guarantors. In the future, FM O&G LLC's guarantee may be released or terminated for certain obligations under the following circumstances: (i) all or substantially all of the equity interests or assets of FM O&G LLC are sold to a third party; or (ii) FM O&G LLC no longer has any obligations under any FM O&G Senior Notes or any refinancing thereof and no longer guarantees any obligations of FCX under the revolver, the term loan or any other senior debt.

The following condensed consolidating financial information includes information regarding FCX, as issuer, FM O&G LLC, as guarantor, and all other non-guarantor subsidiaries of FCX. Included are the condensed consolidating balance sheets at March 31, 2014, and December 31, 2013, and the related condensed consolidating statements of comprehensive income and cash flows for the three months ended March 31, 2014, which should be read in conjunction with FCX's notes to the consolidated financial statements (in millions):

CONDENSED CONSOLIDATING BALANCE SHEET

March 31, 2014

	FCX			FM O&G LLC		Non-guarantor					Consolidated
	Issuer			Guarantor		Subsidiaries		Eliminations			FCX
ASSETS
Current assets:
Cash and cash equivalents	$	—		$	2	$	1,340	$	—		$	1,342
Accounts receivable	22			324		2,088		(57		)	2,377
Other current assets	102			107		5,502		—			5,711
Total current assets	124			433		8,930		(57		)	9,430
Property, plant, equipment and mining development costs, net	26			45		24,658		—			24,729
Oil and gas properties, net - full cost method:
Subject to amortization, less accumulated amortization	—			6,331		6,223		8			12,562
Not subject to amortization	—			2,524		8,251		—			10,775
Investments in consolidated subsidiaries	31,628			9,939		12,680		(54,247		)	—
Goodwill	—			437		1,479		—			1,916
Other assets	7,478			4,687		4,293		(12,027		)	4,431
Total assets	$	39,256		$	24,396	$	66,514	$	(66,323	)	$	63,843
LIABILITIES AND EQUITY
Current liabilities	$	1,244		$	879	$	3,317	$	(57	)	$	5,383
Long-term debt, less current portion	12,585			6,967		8,809		(8,602		)	19,759
Deferred income taxes	4,246		a	—		3,258		—			7,504
Environmental and asset retirement obligations, less current portion	—			305		2,971		—			3,276
Other liabilities	31			3,409		1,680		(3,425		)	1,695
Total liabilities	18,106			11,560		20,035		(12,084		)	37,617
Redeemable noncontrolling interest	—			—		743		—			743
Equity:
Stockholders' equity	21,150			12,836		41,864		(54,700		)	21,150
Noncontrolling interests	—			—		3,872		461			4,333
Total equity	21,150			12,836		45,736		(54,239		)	25,483
Total liabilities and equity	$	39,256		$	24,396	$	66,514	$	(66,323	)	$	63,843

a. All U.S. related deferred income taxes are recorded at the parent company.

CONDENSED CONSOLIDATING BALANCE SHEET

December 31, 2013

	FCX			FM O&G LLC		Non-guarantor					Consolidated
	Issuer			Guarantor		Subsidiaries		Eliminations			FCX
ASSETS
Current assets:
Cash and cash equivalents	$	—		$	—	$	1,985	$	—		$	1,985
Accounts receivable	855			659		2,258		(1,210		)	2,562
Other current assets	114			38		5,273		—			5,425
Total current assets	969			697		9,516		(1,210		)	9,972
Property, plant, equipment and mining development costs, net	27			43		23,972		—			24,042
Oil and gas properties, net - full cost method:
Subject to amortization, less accumulated amortization	—			6,207		6,265		—			12,472
Not subject to amortization	—			2,649		8,238		—			10,887
Investment in consolidated subsidiaries	31,162			9,712		12,468		(53,342		)	—
Goodwill	—			437		1,479		—			1,916
Other assets	7,126			4,640		4,128		(11,710		)	4,184
Total assets	$	39,284		$	24,385	$	66,066	$	(66,262	)	$	63,473
LIABILITIES AND EQUITY
Current liabilities	$	1,003		$	758	$	4,222	$	(1,210	)	$	4,773
Long-term debt, less current portion	13,184			7,199		8,056		(8,045		)	20,394
Deferred income taxes	4,137		a	—		3,273		—			7,410
Environmental and asset retirement obligations, less current portion	—			301		2,958		—			3,259
Other liabilities	26			3,436		1,893		(3,665		)	1,690
Total liabilities	18,350			11,694		20,402		(12,920		)	37,526
Redeemable noncontrolling interest	—			—		716		—			716
Equity:
Stockholders' equity	20,934			12,691		41,100		(53,791		)	20,934
Noncontrolling interests	—			—		3,848		449			4,297
Total equity	20,934			12,691		44,948		(53,342		)	25,231
Total liabilities and equity	$	39,284		$	24,385	$	66,066	$	(66,262	)	$	63,473

a. All U.S. related deferred income taxes are recorded at the parent company.

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME

Three Months Ended March 31, 2014

	FCX			FM O&G LLC			Non-guarantor						Consolidated
	Issuer			Guarantor			Subsidiaries			Eliminations			FCX
Revenues	$	—		$	644		$	4,341		$	—		$	4,985
Total costs and expenses	11			526			3,339			(2		)	3,874
Operating (loss) income	(11		)	118			1,002			2			1,111
Interest expense, net	(82		)	(41		)	(58		)	20			(161		)
Other income (expense), net	20			—			33			(20		)	33
Provision for income taxes	(21		)	(43		)	(292		)	(1		)	(357		)
Equity in affiliated companies' net earnings (losses)	604			130			185			(919		)	—
Net income (loss)	510			164			870			(918		)	626
Net income and preferred dividends attributable to noncontrolling interests	—			—			(111		)	(5		)	(116		)
Net income (loss) attributable to FCX common stockholders	$	510		$	164		$	759		$	(923	)	$	510
Other comprehensive income	—			—			3			—			3
Total comprehensive income (loss)	$	510		$	164		$	762		$	(923	)	$	513

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

Three Months Ended March 31, 2014

	FCX			FM O&G LLC			Non-guarantor						Consolidated
	Issuer			Guarantor			Subsidiaries			Eliminations			FCX
Cash flow from operating activities:
Net income (loss)	$	510		$	164		$	870		$	(918	)	$	626
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Depreciation, depletion and amortization	1			285			682			(2		)	966
Net losses on crude oil and natural gas derivative contracts	—			50			—			—			50
Equity in (earnings) losses of consolidated subsidiaries	(604		)	(130		)	(185		)	919			—
Other, net	134			(9		)	(140		)	(13		)	(28		)
(Increases) decreases in working capital and changes in other tax payments, excluding amounts from acquisition	(234		)	339			(518		)	—			(413		)
Net cash (used in) provided by operating activities	(193		)	699			709			(14		)	1,201
Cash flow from investing activities:
Capital expenditures	—			(335		)	(1,277		)	—			(1,612		)
Intercompany loans	190			(43		)	—			(147		)	—
Investment in consolidated subsidiary	212			(96		)	(430		)	314			—
Other, net	—			4			3			—			7
Net cash provided by (used in) investing activities	402			(470		)	(1,704		)	167			(1,605		)
Cash flow from financing activities:
Proceeds from debt	895			—			254			—			1,149
Repayments of debt	(780		)	—			(207		)	—			(987		)
Intercompany loans	—			(213		)	66			147			—
Cash dividends and distributions paid	(326		)	(14		)	237			(300		)	(403		)
Other, net	2			—			—			—			2
Net cash (used in) provided by financing activities	(209		)	(227		)	350			(153		)	(239		)
Net increase (decrease) in cash and cash equivalents	—			2			(645		)	—			(643		)
Cash and cash equivalents at beginning of period	—			—			1,985			—			1,985
Cash and cash equivalents at end of period	$	—		$	2		$	1,340		$	—		$	1,342

XML

Document and Entity Information Document (USD $) In Billions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Apr. 30, 2014	Jun. 28, 2013
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			$ 28.3
Entity Common Stock, Shares Outstanding		1,038,713,778
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q1
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2014

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New Accounting Standard (Unaudited)

3 Months Ended

Mar. 31, 2014

New Accounting Standards [Abstract]

New Accounting Standard

NEW ACCOUNTING STANDARD

In April 2014, the Financial Accounting Standards Board issued an Accounting Standards Update (ASU), which revises the guidance for reporting discontinued operations. This ASU amends the definition of a discontinued operation and requires additional disclosures about disposal transactions that do not meet the definition of a discontinued operation. For public entities, this ASU is effective for annual periods beginning on or after December 15, 2014, and interim periods within that year. Early adoption is permitted, but only for disposals (or classifications as held for sale) that have not been reported in financial statements previously issued or available for issuance. FCX adopted this ASU in the first quarter of 2014.

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Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Net income	$ 626	$ 824
Defined benefit plans:
Amortization of unrecognized amounts included in net periodic benefit costs	3	7
Unrealized losses on securities arising during the period	0	(1)
Other comprehensive income	3	6
Total comprehensive income	629	830
Total comprehensive income attributable to noncontrolling interests	(106)	(176)
Preferred dividends attributable to redeemable noncontrolling interest	(10)	0
Total comprehensive income attributable to FCX common stockholders	$ 513	$ 654

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Debt and Equity Transactions (Unaudited)

3 Months Ended

Mar. 31, 2014

Debt and Equity Transactions [Abstract]

Debt and Equity Transactions

DEBT AND EQUITY TRANSACTIONS

In March 2014, FCX announced that FM O&G would redeem on April 30, 2014, a total of $210 million of the aggregate principal amount of the outstanding 6.625% Senior Notes due 2021. In accordance with the terms of the senior notes, the redemption was funded with cash contributions to FM O&G by FCX in exchange for additional equity, which is eliminated in the consolidated financial statements. FCX funded its contributions with its revolving credit facility. Holders of these senior notes received the principal amount together with the redemption premium and accrued and unpaid interest to the redemption date. As a result of the redemption, FCX recorded a gain on early extinguishment of debt of $6 million in the second quarter of 2014.

In the first quarter of 2014, FCX borrowed $115 million on its short-term lines of credit. FCX has uncommitted lines of credit with certain financial institutions for up to $450 million. These unsecured lines of credit allow FCX to borrow at a spread over the London Interbank Offered Rate (LIBOR) or the respective financial institution's cost of funds with terms and pricing that are more favorable than FCX's revolving credit facility. The effective interest rate on the lines of credit was 1.19 percent at March 31, 2014.

In March 2014, Sociedad Minera Cerro Verde S.A.A. (Cerro Verde, FCX's mining subsidiary in Peru) entered into a five-year, $1.8 billion senior unsecured credit facility that is nonrecourse to FCX and the other shareholders of Cerro Verde. The credit facility allows for term loan borrowings up to the full amount of the facility, less any amounts issued and outstanding under a $500 million letter of credit sublimit. Interest on amounts drawn under the term loan is based on LIBOR plus a spread (currently 1.90 percent) based on Cerro Verde’s total net debt to earnings before interest, taxes, depreciation and amortization (EBITDA) ratio as defined in the agreement. Amounts may be drawn or letters of credit may be issued over a two-year period to fund a portion of Cerro Verde’s expansion project and for Cerro Verde's general corporate purposes. The credit facility amortizes in three installments in amounts necessary for the aggregate borrowings and outstanding letters of credit not to exceed 85 percent of the $1.8 billion commitment on September 30, 2017, 70 percent on March 31, 2018, and 35 percent on September 30, 2018, with the remaining balance due on the maturity date of March 10, 2019. At March 31, 2014, there were no borrowings and no letters of credit issued under Cerro Verde’s credit facility.

In February 2013, FCX entered into an agreement for a $4.0 billion unsecured term loan (the Term Loan) in connection with the second-quarter 2013 acquisitions of PXP and MMR. Upon closing the PXP acquisition, FCX borrowed $4.0 billion under the Term Loan, and Freeport-McMoRan Oil & Gas LLC (FM O&G LLC, a wholly owned subsidiary of FM O&G and the successor entity of PXP) joined the Term Loan as a borrower. Interest on the Term Loan (currently LIBOR plus 1.50 percent or the alternate base rate (ABR) plus 0.50 percent) is determined by reference to FCX's credit rating. The effective interest rate on the Term Loan was 1.65 percent at March 31, 2014.

In February 2013, FCX and PT Freeport Indonesia (PT-FI) entered into a new senior unsecured $3.0 billion revolving credit facility, which replaced FCX's existing revolving credit facility (scheduled to mature on March 30, 2016) upon completion of the acquisition of PXP on May 31, 2013. In connection with the PXP acquisition, FM O&G LLC joined the revolving credit facility as a borrower. The new revolving credit facility is available until May 31, 2018, with $500 million available to PT-FI. At March 31, 2014, there were no borrowings and $46 million of letters of credit issued under the revolving credit facility, resulting in availability of approximately $3.0 billion, of which $1.5 billion could be used for additional letters of credit.

In March 2013, in connection with the financing of FCX's second-quarter 2013 acquisitions of PXP and MMR, FCX issued $6.5 billion of unsecured senior notes in four tranches. FCX sold $1.5 billion of 2.375% Senior Notes due March 2018, $1.0 billion of 3.100% Senior Notes due March 2020, $2.0 billion of 3.875% Senior Notes due March 2023 and $2.0 billion of 5.450% Senior Notes due March 2043 for total net proceeds of $6.4 billion.

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 second-quarter 2013 acquisitions of PXP and MMR.

Consolidated interest expense (excluding capitalized interest) totaled $224 million in first-quarter2014 and $75 million in first-quarter2013. Capitalized interest totaled $63 million in first-quarter2014 ($40 million included in property, plant, equipment and mining development costs, net, and $23 million included in oil and gas properties not subject to amortization) and $18 million in first-quarter2013 (included in property, plant, equipment and mining development costs, net).

On March 26, 2014, FCX's Board of Directors declared a quarterly dividend of $0.3125 per share, which was paid on May 1, 2014, to common shareholders of record at the close of business on April 15, 2014.

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Income Taxes (Unaudited)

3 Months Ended

Mar. 31, 2014

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,
	2014		2013
United States operations	$	136	$	76
International operations	221		352
Total	$	357	$	428

FCX’s consolidated effective income tax rate was 36 percent for first-quarter2014 and 34 percent for first-quarter2013. Variations in the relative proportions of jurisdictional income result in fluctuations to FCX’s consolidated effective income tax rate.

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Income Taxes (Unaudited) (Tables)

3 Months Ended

Mar. 31, 2014

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,
	2014		2013
United States operations	$	136	$	76
International operations	221		352
Total	$	357	$	428

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Subsequent Events (Unaudited)

3 Months Ended

Mar. 31, 2014

Subsequent Events [Abstract]

Subsequent Events

SUBSEQUENT EVENTS

On May 7, 2014, FCX announced that FM O&G LLC had entered into a definitive purchase and sale agreement to sell its Eagle Ford shale assets for $3.1 billion to a subsidiary of Encana Corporation. After-tax net proceeds from the transaction are expected to be used to fund the acquisition of additional Deepwater GOM assets (refer to further discussion below), with the balance used to repay outstanding indebtedness. The transaction is expected to close by the end of second-quarter 2014, subject to customary closing conditions and purchase price adjustments from the April 1, 2014, effective date until closing. Under full cost accounting rules, proceeds from the sale or disposition of oil and gas properties are accounted for as an adjustment to capitalized costs, with no gain or loss recognized, unless there is a significant change in proved reserves, which absent other factors is generally described as a 25 percent or greater change and significantly alters the relationship between capitalized costs and proved oil and gas reserves attributable to a cost center. As the Eagle Ford shale assets represent less than 25 percent FCX’s proved oil and natural gas reserves for its U.S. cost center at December 31, 2013, no gain or loss is expected to be recorded on the transaction.

On May 8, 2014, FCX announced that FM O&G LLC had entered into a definitive purchase and sale agreement to acquire certain of Apache Corporation’s interests in the Deepwater GOM for $1.4 billion, including interests in the Lucius and Heidelberg development projects and 11 exploration leases. This transaction is expected to be funded with proceeds from the sale of FM O&G LLC’s Eagle Ford shale assets (refer to further discussion above) and is expected to close by the end of second-quarter 2014, subject to preferential rights and other customary closing conditions and purchase price adjustments from the May 1, 2014, effective date until closing.

FCX evaluated events after March 31, 2014, 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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Contingencies and Commitments (Unaudited)

3 Months Ended

Mar. 31, 2014

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

CONTINGENCIES AND COMMITMENTS

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

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

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

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

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Financial Instruments (Unaudited)

3 Months Ended

Mar. 31, 2014

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 derivative contracts to hedge the market risk associated with fluctuations in the prices of commodities it purchases and sells. As a result of the acquisition of PXP, FCX assumed a variety of crude oil and natural gas commodity derivatives to hedge the exposure to the volatility of crude oil and natural gas commodity prices. Derivative financial instruments used by FCX to manage its risks do not contain credit risk-related contingent provisions. As of March 31, 2014 and 2013, FCX had no price protection contracts relating to its mine production. A discussion of FCX’s derivative 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 Commodity Exchange Inc. (COMEX), a division of the New York Mercantile Exchange (NYMEX), 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 or swap contracts. 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, 2014 and 2013, resulting from hedge ineffectiveness. At March 31, 2014, FCX held copper futures and swap contracts that qualified for hedge accounting for 63 million pounds at an average contract price of $3.13 per pound, with maturities through March 2015.

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 follows (in millions):

	Three Months Ended
	March 31,
	2014			2013
Copper futures and swap contracts:
Unrealized (losses) gains:
Derivative financial instruments	$	(12	)	$	(12	)
Hedged item – firm sales commitments	12			12
Realized losses:
Matured derivative financial instruments	(2		)	(2		)

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, 2013, 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) copper price or the COMEX copper price and the London Bullion Market Association (London) gold price 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 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 copper price or the London gold price 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 commodity derivatives at March 31, 2014, follows:

	Open Positions	Average Price Per Unit				Maturities Through
		Contract		Market
Embedded derivatives in provisional sales contracts:
Copper (millions of pounds)	487	$	3.21	$	3.01	August 2014
Gold (thousands of ounces)	55	1,314		1,293		June 2014
Embedded derivatives in provisional purchase contracts:
Copper (millions of pounds)	66	3.15		3.02		July 2014

Crude Oil and Natural Gas Contracts. As a result of the acquisition of PXP, FCX has derivative contracts for 2014 and 2015 that consist of crude oil options and natural gas swaps. These crude oil and natural gas derivatives are not designated as hedging instruments and are recorded at fair value with the mark-to-market gains and losses recorded in revenues.

The crude oil options were entered into by PXP to protect the realized price of a portion of expected future sales in order to limit the effects of crude oil price decreases. At March 31, 2014, these contracts are composed of crude oil put spreads consisting of put options with a floor limit. The premiums associated with put options are deferred until the settlement period. At March 31, 2014, the deferred option premiums and accrued interest associated with the crude oil option contracts totaled $387 million, which was included as a component of the fair value of the crude oil options contracts. At March 31, 2014, the outstanding crude oil option contracts, all of which settle monthly, follow:

			Average Strike Price (per barrel)a
Period	Instrument Type	Daily Volumes (thousand barrels)	Floor		Floor Limit		Average Deferred Premium  (per barrel)		Index
2014
Apr - Dec	Put optionsb	75	$	90	$	70	$	5.74	Brent
Apr - Dec	Put optionsb	30	95		75		6.09		Brent
Apr - Dec	Put optionsb	5	100		80		7.11		Brent
2015
Jan - Dec	Put optionsb	84	90		70		6.89		Brent

a. The average strike prices do not reflect any premiums to purchase the put options.

b. If the index price is less than the per barrel floor, FCX receives the difference between the per barrel floor and the index price up to a maximum of $20 per barrel less the option premium. If the index price is at or above the per barrel floor, FCX pays the option premium and no cash settlement is received.

In addition, at March 31, 2014, outstanding natural gas swaps with a weighted-average fixed swap price of $4.09 per million British thermal units (MMBtu) cover approximately 28 million MMBtu of natural gas, with maturities through December 2014 (on daily volumes of 100,000 MMBtu). If the Henry Hub index price is less than the fixed price, FCX receives the difference between the fixed price and the Henry Hub index price. FCX pays the difference between the index price and the fixed price if the Henry Hub index price is greater than the fixed price.

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, 2014, Atlantic Copper held net forward copper purchase contracts for 7 million pounds at an average contract price of $3.01 per pound, with maturities through April 2014.

Summary of Gains (Losses). 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,
	2014			2013
Embedded derivatives in provisional copper and gold
sales contractsa	$	(169	)	$	(83	)
Crude oil optionsa	(36		)	—
Natural gas swapsa	(14		)	—
Copper forward contractsb	1			3

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 commodity derivative financial instruments follows (in millions):

	March 31, 2014		December 31, 2013
Commodity Derivative Assets:
Derivatives designated as hedging instruments:
Copper futures and swap contracts:a	$	2	$	6
Derivatives not designated as hedging instruments:
Embedded derivatives in provisional copper and gold
sales/purchase contracts	13		63
Total derivative assets	$	15	$	69
Commodity Derivative Liabilities:
Derivatives designated as hedging instruments:
Copper futures and swap contractsa	$	8	$	—
Derivatives not designated as hedging instruments:
Embedded derivatives in provisional copper and gold
sales/purchase contracts	99		16
Crude oil optionsb	288		309
Natural gas swaps	10		4
Copper forward contracts	—		1
Total derivative liabilities	$	405	$	330

a. FCX paid $11 million to brokers at March 31, 2014, and $1 million at December 31, 2013, for margin requirements (recorded in other current assets).

b. Included $387 million at March 31, 2014, and $444 million at December 31, 2013, for deferred premiums and accrued interest.

FCX's commodity contracts have netting arrangements with counterparties with which the right of offset exists, and it is FCX's policy to offset balances by counterparty on the balance sheet. FCX's embedded derivatives on provisional sales/purchases are netted with the corresponding outstanding receivable/payable balances. A summary of these unsettled commodity contracts that are offset in the balance sheet follows (in millions):

	Assets				Liabilities
	March 31, 2014		December 31, 2013		March 31, 2014		December 31, 2013
Gross amounts recognized:
Commodity contracts:
Embedded derivatives on provisional
sales/purchase contracts	$	13	$	63	$	99	$	16
Crude oil and natural gas derivatives	—		—		298		313
Copper derivatives	2		6		8		1
	15		69		405		330
Less gross amounts of offset:
Commodity contracts:
Embedded derivatives on provisional
sales/purchase contracts	2		10		2		10
Crude oil and natural gas derivatives	—		—		—		—
Copper derivatives	2		—		2		—
	4		10		4		10
Net amounts presented in balance sheet:
Commodity contracts:
Embedded derivatives on provisional
sales/purchase contracts	11		53		97		6
Crude oil and natural gas derivatives	—		—		298		313
Copper derivatives	—		6		6		1
	$	11	$	59	$	401	$	320
Balance sheet classification:
Trade accounts receivable	$	7	$	53	$	—	$	—
Other current assets	—		6		—		—
Accounts payable and accrued liabilities	4		—		302		205
Other liabilities	—		—		99		115
	$	11	$	59	$	401	$	320

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, 2014, the maximum amount of credit exposure associated with derivative transactions was $11 million.

Other Financial Instruments.  Other financial instruments include cash and cash equivalents, accounts receivable, investment securities, legally restricted funds, accounts payable and accrued liabilities, dividends payable and long-term debt. The carrying value for cash and cash equivalents (which included time deposits of $39 million at March 31, 2014, and $211 million at December 31, 2013), accounts receivable, accounts payable and accrued liabilities, and dividends payable 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, legally restricted funds and long-term debt).

In addition,FCX has non-detachable warrants, which are considered to be embedded derivative instruments, associated with FM O&G's Plains Offshore Operations Inc. (Plains Offshore) 8% Convertible Preferred Stock (Preferred Stock) (refer to Note 8 for the fair value of these instruments).

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Fair Value Measurement (Unaudited)

3 Months Ended

Mar. 31, 2014

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 recognizes transfers between levels at the end of the reporting period. FCX did not have any significant transfers in or out of Level 1, 2 or 3 for first-quarter 2014.

A summary of the carrying amount and fair value of FCX’s financial instruments, other than cash and cash equivalents, accounts receivable, accounts payable and accrued liabilities, and dividends payable (refer to Note 7), follows (in millions):

	At March 31, 2014
	Carrying		Fair Value
	Amount		Total		Level 1		Level 2		Level 3
Assets
Investment securities (current and long-term):a,b
U.S. core fixed income fund	$	22	$	22	$	—	$	22	$	—
Money market funds	18		18		18		—		—
Equity securities	4		4		4		—		—
Total	44		44		22		22		—
Legally restricted funds (long-term):a,b,c
U.S. core fixed income fund	49		49		—		49		—
Government bonds and notes	34		34		—		34		—
Government mortgage-backed securities	32		32		—		32		—
Corporate bonds	27		27		—		27		—
Money market funds	26		26		26		—		—
Asset-backed securities	15		15		—		15		—
Municipal bonds	1		1		—		1		—
Total	184		184		26		158		—
Derivatives:a, d
Embedded derivatives in provisional sales/purchase
contracts in a gross asset position	13		13		—		13		—
Copper futures and swap contracts	2		2		1		1		—
Total	15		15		1		14		—
Total assets			$	243	$	49	$	194	$	—
Liabilities
Derivatives:a
Embedded derivatives in provisional sales/purchase
contracts in a gross liability positiond	$	99	$	99	$	—	$	99	$	—
Crude oil optionsd	288		288		—		—		288
Natural gas swapsd	10		10		—		10		—
Copper futures and swap contractsd	8		8		7		1		—
Plains Offshore warrantse	1		1		—		—		1
Total	406		406		7		110		289
Long-term debt, including current portionf	20,850		20,741		—		20,741		—
Total liabilities			$	21,147	$	7	$	20,851	$	289

	At December 31, 2013
	Carrying		Fair Value
	Amount		Total		Level 1		Level 2		Level 3
Assets
Investment securities (current and long-term):a,b
U.S. core fixed income fund	$	21	$	21	$	—	$	21	$	—
Money market funds	18		18		18		—		—
Equity securities	5		5		5		—		—
Total	44		44		23		21		—
Legally restricted funds (long-term):a,b,c
U.S. core fixed income fund	48		48		—		48		—
Government mortgage-backed securities	34		34		—		34		—
Corporate bonds	28		28		—		28		—
Government bonds and notes	28		28		—		28		—
Money market funds	28		28		28		—		—
Asset-backed securities	15		15		—		15		—
Municipal bonds	1		1		—		1		—
Total	182		182		28		154		—
Derivatives:a, d
Embedded derivatives in provisional sales/purchase
contracts in a gross asset position	63		63		—		63		—
Copper futures and swap contracts	6		6		5		1		—
Total	69		69		5		64		—
Total assets			$	295	$	56	$	239	$	—
Liabilities
Derivatives:a
Embedded derivatives in provisional sales/purchase
contracts in a gross liability positiond	$	16	$	16	$	—	$	16	$	—
Crude oil optionsd	309		309		—		—		309
Natural gas swapsd	4		4		—		4		—
Copper forward contractsd	1		1		1		—		—
Plains Offshore warrantse	2		2		—		—		2
Total	332		332		1		20		311
Long-term debt, including current portionf	20,706		20,487		—		20,487		—
Total liabilities			$	20,819	$	1	$	20,507	$	311

a. Recorded at fair value. 

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

c. Legally restricted funds excluded $210 million of time deposits (which approximated fair value) at March 31, 2014, and December 31, 2013, associated with the Cerro Verde royalty dispute.

d. Refer to Note 7 for further discussion and balance sheet classifications. Crude oil options are net of $387 million at March 31, 2014, and $444 million at December 31, 2013, for deferred premiums and accrued interest.

e. Included in other liabilities.

f. Recorded at cost except for debt assumed in acquisitions, which were recorded at fair value at the respective acquisition dates.

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.

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 price or a mid-evaluation price. A bid evaluation price is an estimated price at which a dealer would pay for a security. A mid-evaluation price 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 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 crude oil options are valued using an option pricing model, which uses various inputs including IntercontinentalExchange, Inc. crude oil prices, volatilities, interest rates and contract terms. FCX's derivative financial instruments for natural gas swaps are valued using a pricing model that has various inputs including NYMEX price quotations, interest rates and contract terms. Valuations are adjusted for credit quality, using the counterparties' credit quality for asset balances and FCX's credit quality for liability balances (which considers the impact of netting agreements on counterparty credit risk, including whether the position with the counterparty is a net asset or net liability). For asset balances, FCX uses the credit default swap value for counterparties when available or the spread between the risk-free interest rate and the yield rate on the counterparties' publicly traded debt for similar instruments. The 2014 natural gas swaps are classified within Level 2 of the fair value hierarchy because the inputs used in the valuation models are directly or indirectly observable for substantially the full term of the instruments. The 2014 and 2015 crude oil options are classified within Level 3 of the fair value hierarchy because the inputs used in the valuation models are not observable for substantially the full term of the instruments. The significant unobservable inputs used in the fair value measurement of the crude oil options are implied volatilities and deferred premiums. Significant increases (decreases) in implied volatilities in isolation would result in a significantly higher (lower) fair value measurement. The implied volatilities ranged from 16 percent to 38 percent, with a weighted average of 21 percent. The deferred premiums ranged from $5.15 per barrel to $7.22 per barrel, with a weighted average of $6.40 per barrel. Refer to Note 7 for further discussion of these derivative financial instruments.

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 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 based on COMEX and LME forward prices.

The fair value of warrants associated with the Plains Offshore Preferred Stock was determined with an option pricing model that used unobservable inputs. The inputs used in the valuation model are the estimated fair value of the underlying Plains Offshore common stock, expected exercise price, expected term, expected volatility and risk-free interest rate. The assumptions used in the valuation model are highly subjective because the common stock of Plains Offshore is not publicly traded. As a result, these warrants are classified within Level 3 of the fair value hierarchy.

Long-term debt, including the current portion, is not actively traded and is valued using prices obtained from a readily available pricing source and, as such, is classified within Level 2 of the fair value hierarchy.

A summary of the changes in the fair value of FCX's Level 3 instruments follows (in millions):

	Crude Oil				Plains Offshore
	Options				Warrants
Fair value at December 31, 2013	$	(309	)		$	(2	)
Net realized losses	(1		)	a	—
Net unrealized (losses) gains included in earnings related to assets and liabilities still held at the end of the period	(36		)	b	1			c
Settlement payments	58				—
Fair value at March 31, 2014	$	(288	)		$	(1	)

a. Recorded in revenues.

b. Included net unrealized losses of $35 million recorded in revenues and $1 million of interest expense associated with the deferred premiums.

c. Recorded in other income (expense), net.

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, 2014.

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Business Segments (Unaudited)

3 Months Ended

Mar. 31, 2014

Segment Reporting [Abstract]

Business Segments

BUSINESS SEGMENTS

FCX has organized its operations into six primary divisions – North America copper mines, South America mining, Indonesia mining, Africa mining, Molybdenum mines and U.S. oil and gas operations. Notwithstanding this structure, FCX internally reports information on a mine-by-mine basis for its mining operations. Therefore, FCX concluded that its operating segments include individual mines or operations relative to its mining operations. For oil and gas operations, FCX determines its operating segments on a country-by-country basis. Operating segments that meet certain thresholds are reportable segments.

Intersegment Sales. Intersegment sales between FCX’s mining 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 other divisions, including Atlantic Copper and on 25 percent of PT-FI's 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 an 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 level. In addition, most mining exploration and research activities are managed on a consolidated basis, and those costs along with some selling, general and administrative costs are not allocated to the operating divisions or individual 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)	Mining Operations
	North America Copper Mines								South America								Indonesia			Africa
																										Atlantic			Other									Corporate,
																						Molyb-				Copper			Mining						U.S.			Other
			Other						Cerro		Candel-		Other									denum		Rod &		Smelting			& Elimi-				Total		Oil & Gas			& Elimi-				FCX
	Morenci		Mines			Total			Verde		aria		Mines		Total		Grasberg			Tenke		Mines		Refining		& Refining			nations				Mining		Operations			nations				Total
Three Months Ended March 31, 2014
Revenues:
Unaffiliated customers	$	23	$	61		$	84		$	280	$	128	$	294	$	702	$	462	a	$	306	$	—	$	1,146	$	588		$	436		b	$	3,724	$	1,261	c	$	—			$	4,985
Intersegment	444		758			1,202			64		128		4		196		8			21		126		8		5			(1,566		)		—		—			—				—
Production and delivery	283		503			786			165		150		161		476		383			152		76		1,148		588			(1,183		)		2,426		311			—				2,737
Depreciation, depletion and amortization	34		73			107			36		19		32		87		48			51		22		2		10			19				346		616			4				966
Selling, general and administrative expenses	—		1			1			1		—		1		2		21			3		—		—		4			7				38		57			40				135
Mining exploration and research expenses	—		2			2			—		—		—		—		—			—		—		—		—			28				30		—			—				30
Environmental obligations and shutdown costs	—		—			—			—		—		—		—		—			—		—		—		—			6				6		—			—				6
Operating income (loss)	150		240			390			142		87		104		333		18			121		28		4		(9		)	(7		)		878		277			(44		)		1,111
Interest expense, net	1		—			1			—		—		—		—		—			—		—		—		4			18				23		76			62				161
Provision for income taxes	—		—			—			57		36		34		127		18			24		—		—		—			—				169		—			188				357
Total assets at March 31, 2014	3,412		5,827			9,239			6,757		1,591		2,468		10,816		7,466			4,904		2,101		289		951			1,119				36,885		26,385			573				63,843
Capital expenditures	244		59			303			400		10		13		423		236			31		19		1		1			10				1,024		579			9				1,612
Three Months Ended March 31, 2013
Revenues:
Unaffiliated customers	$	80	$	45		$	125		$	290	$	253	$	307	$	850	$	864	a	$	438	$	—	$	1,330	$	633		$	341		b	$	4,581	$	—		$	2			$	4,583
Intersegment	436		824			1,260			109		55		—		164		67			—		143		7		6			(1,647		)		—		—			—				—
Production and delivery	297		502			799			171		167		137		475		563			185		80		1,328		628			(1,342		)		2,716		—			3				2,719
Depreciation, depletion and amortization	33		69			102			33		9		29		71		55			58		20		3		10			8				327		—			2				329
Selling, general and administrative expenses	—		1			1			—		1		—		1		26			3		—		—		5			9				45		—			68				113
Mining exploration and research expenses	—		—			—			—		—		—		—		—			—		—		—		—			49				49		—			3				52
Environmental obligations and shutdown costs	—		(4		)	(4		)	—		—		—		—		—			—		—		—		—			19				15		—			—				15
Operating income (loss)	186		301			487			195		131		141		467		287			192		43		6		(4		)	(49		)		1,429		—			(74		)		1,355
Interest expense, net	1		—			1			—		—		—		—		2			—		—		—		4			20				27		—			30				57
Provision for income taxes	—		—			—			64		44		43		151		120			44		—		—		—			—				315		—			113				428
Total assets at March 31, 2013	2,589		5,783			8,372			5,968		1,852		2,507		10,327		6,862			4,894		2,033		316		918			1,078				34,800		—			7,788			d	42,588
Capital expenditures	153		104			257			164		40		22		226		191			57		40		1		8			17				797		—			8				805

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

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

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

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

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Debt and Equity Transactions (Unaudited) (Details) (USD $)	3 Months Ended										3 Months Ended	12 Months Ended	6 Months Ended			3 Months Ended			1 Months Ended	3 Months Ended		3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2013 Senior Notes [Member]	Mar. 31, 2014 Senior Notes [Member]	Mar. 07, 2013 Senior Notes [Member]	Mar. 31, 2014 Senior Notes [Member] 2.375% Senior Notes due March 2018 [Member]	Mar. 31, 2014 Senior Notes [Member] 3.100% Senior Notes due March 2020 [Member]	Mar. 31, 2014 Senior Notes [Member] 3.875% Senior Notes due March 2023 [Member]	Mar. 31, 2014 Senior Notes [Member] 5.450% Senior Notes due March 2043 [Member]	Mar. 31, 2014 Line of Credit [Member]	Mar. 31, 2014 Credit Facility [Domain] Revolving Credit Facility [Member]	Dec. 31, 2012 Credit Facility [Domain] Revolving Credit Facility [Member]	Jun. 30, 2013 Bank Term Loan [Member]	Mar. 31, 2014 Bank Term Loan [Member]	Feb. 14, 2013 Bank Term Loan [Member]	Mar. 31, 2013 Bridge Loan [Member]	Mar. 31, 2014 Option 1 [Member] Bank Term Loan [Member]	Mar. 31, 2014 Option 2 [Member] Bank Term Loan [Member]	May 31, 2013 Plains Exploration & Production Company [Member]	Jun. 30, 2014 Plains Exploration & Production Company [Member] Senior Notes [Member] 6.625% Senior Notes due 2021 [Member]	Mar. 31, 2014 Plains Exploration & Production Company [Member] Senior Notes [Member] 6.625% Senior Notes due 2021 [Member]	Mar. 31, 2014 Cerro Verde [Member] Credit Facility [Domain]	Mar. 31, 2014 Cerro Verde [Member] Tranche 1 [Member] Credit Facility [Domain]	Mar. 31, 2014 Cerro Verde [Member] Tranche 2 [Member] Credit Facility [Domain]	Mar. 31, 2014 Cerro Verde [Member] Tranche 3 [Member] Credit Facility [Domain]
Extinguishment of Debt [Line Items]
Extinguishment of Debt, Amount																				$ 210,000,000
Debt Instrument, Interest Rate, Stated Percentage						2.375%	3.10%	3.875%	5.45%												6.625%
Proceeds from Issuance of Long-term Debt			6,400,000,000
Gains (Losses) on Extinguishment of Debt	0	(45,000,000)														(45,000,000)				6,000,000
Extinguishment of Debt, Gain (Loss), Net of Tax																40,000,000
Line of Credit Facility, Amount Outstanding										115,000,000	0											0
Line of Credit Facility, Maximum Borrowing Capacity										450,000,000	3,000,000,000											1,800,000,000
Line of Credit Facility, Expiration Date											May 31, 2018	Mar. 30, 2016										Mar. 10, 2019	Sep. 30, 2017	Mar. 31, 2018	Sep. 30, 2018
Amount of revolving credit facility available to subsidiary											500,000,000
Business Acquisition, Effective Date of Acquisition																			May 31, 2013
Debt Instrument, Interest Rate, Effective Percentage										1.19%				1.65%
Term of Debt Agreement													5 years									5 years
Line Of Credit Facility Remaining Borrowing Capacity Available For Letters Of Credit											1,500,000,000											500,000,000
Debt Instrument, Description of Variable Rate Basis																	LIBOR	alternate base rate				LIBOR
Debt Instrument, Basis Spread on Variable Rate																	1.50%	0.50%				1.90%
Term When Funds Are Available to be Drawn on Debt Agreement																						2 years
Line of Credit Facility, Current Borrowing Capacity, Percentage																							85.00%	70.00%	35.00%
Letters of Credit Outstanding, Amount											46,000,000											0
Line of Credit Facility, Remaining Borrowing Capacity											3,000,000,000
Debt Instrument, Face Amount				6,500,000,000	6,500,000,000	1,500,000,000	1,000,000,000	2,000,000,000	2,000,000,000					4,000,000,000	4,000,000,000	9,500,000,000
Long-term Debt, Gross														$ 4,000,000,000

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Earnings Per Share (Unaudited) (Tables)

3 Months Ended

Mar. 31, 2014

Earnings Per Share [Abstract]

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

The following table sets forth the computation of basic and diluted net income per share (in millions, except per share amounts):

	Three Months Ended
	March 31,
	2014				2013
Net income	$	626			$	824
Net income attributable to noncontrolling interests	(106		)		(176		)
Preferred dividends on redeemable noncontrolling interest	(10		)		—
Undistributed earnings allocated to participating securities	(1		)		—
Net income attributable to FCX common stockholders	$	509			$	648
Basic weighted-average shares of common stock outstanding	1,038				950
Add shares issuable upon exercise or vesting of dilutive stock options and restricted stock units	6			a	3
Diluted weighted-average shares of common stock outstanding	1,044				953
Basic net income per share attributable to FCX common stockholders	$	0.49			$	0.68
Diluted net income per share attributable to FCX common stockholders	$	0.49			$	0.68

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 totaled approximately two million for first-quarter 2014.

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Business Segments (Unaudited) (Tables)

3 Months Ended

Mar. 31, 2014

Segment Reporting [Abstract]

Schedule of Segment Reporting Information By Segment

Business Segments

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

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

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

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

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

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Fair Value Measurement (Unaudited) (Details) (USD $) In Millions, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Derivatives:
Derivative assets	$ 11		$ 59
Derivatives:
Derivative liabilities	401		320
Fair Value, Measurements, Recurring [Member] | Carrying Amount, Fair Value Disclosure [Member]
Investment securities (current and long-term):
Investment securities	44	[1],[2]	44	[1],[2]
Legally restricted funds (long-term):
Legally restricted funds	184	[1],[2],[3]	182	[1],[2],[3]
Derivatives:
Derivative assets	15	[2],[4]	69	[2],[4]
Derivatives:
Derivative liabilities	406	[2]	332	[2]
Long-term debt, including current portion	20,850	[5]	20,706	[5]
Fair Value, Measurements, Recurring [Member] | Estimate of Fair Value Measurement [Member]
Investment securities (current and long-term):
Investment securities	44	[1],[2]	44	[1],[2]
Legally restricted funds (long-term):
Legally restricted funds	184	[1],[2],[3]	182	[1],[2],[3]
Derivatives:
Derivative assets	15	[2],[4]	69	[2],[4]
Total assets	243		295
Derivatives:
Derivative liabilities	406	[2]	332	[2]
Long-term debt, including current portion	20,741	[5]	20,487	[5]
Total liabilities	21,147		20,819
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Investment securities (current and long-term):
Investment securities	22	[1],[2]	23	[1],[2]
Legally restricted funds (long-term):
Legally restricted funds	26	[1],[2],[3]	28	[1],[2],[3]
Derivatives:
Derivative assets	1	[2],[4]	5	[2],[4]
Total assets	49		56
Derivatives:
Derivative liabilities	7	[2]	1	[2]
Long-term debt, including current portion	0	[5]	0	[5]
Total liabilities	7		1
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Investment securities (current and long-term):
Investment securities	22	[1],[2]	21	[1],[2]
Legally restricted funds (long-term):
Legally restricted funds	158	[1],[2],[3]	154	[1],[2],[3]
Derivatives:
Derivative assets	14	[2],[4]	64	[2],[4]
Total assets	194		239
Derivatives:
Derivative liabilities	110	[2]	20	[2]
Long-term debt, including current portion	20,741	[5]	20,487	[5]
Total liabilities	20,851		20,507
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Investment securities (current and long-term):
Investment securities	0	[1],[2]	0	[1],[2]
Legally restricted funds (long-term):
Legally restricted funds	0	[1],[2],[3]	0	[1],[2],[3]
Derivatives:
Derivative assets	0	[2],[4]	0	[2],[4]
Total assets	0		0
Derivatives:
Derivative liabilities	289	[2]	311	[2]
Long-term debt, including current portion	0	[5]	0	[5]
Total liabilities	289		311
Fair Value, Measurements, Recurring [Member] | Embedded derivatives in provisional sales/purchases contracts [Member] | Carrying Amount, Fair Value Disclosure [Member]
Derivatives:
Derivative liabilities	99	[2],[4]	16	[2],[4]
Fair Value, Measurements, Recurring [Member] | Embedded derivatives in provisional sales/purchases contracts [Member] | Estimate of Fair Value Measurement [Member]
Derivatives:
Derivative liabilities	99	[2],[4]	16	[2],[4]
Fair Value, Measurements, Recurring [Member] | Embedded derivatives in provisional sales/purchases contracts [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives:
Derivative liabilities	0	[2],[4]	0	[2],[4]
Fair Value, Measurements, Recurring [Member] | Embedded derivatives in provisional sales/purchases contracts [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives:
Derivative liabilities	99	[2],[4]	16	[2],[4]
Fair Value, Measurements, Recurring [Member] | Embedded derivatives in provisional sales/purchases contracts [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives:
Derivative liabilities	0	[2],[4]	0	[2],[4]
Fair Value, Measurements, Recurring [Member] | Crude Oil Options [Member] | Carrying Amount, Fair Value Disclosure [Member]
Derivatives:
Derivative liabilities	288	[2],[4]	309	[2],[4]
Fair Value, Measurements, Recurring [Member] | Crude Oil Options [Member] | Estimate of Fair Value Measurement [Member]
Derivatives:
Derivative liabilities	288	[2],[4]	309	[2],[4]
Fair Value, Measurements, Recurring [Member] | Crude Oil Options [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives:
Derivative liabilities	0	[2],[4]	0	[2],[4]
Fair Value, Measurements, Recurring [Member] | Crude Oil Options [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives:
Derivative liabilities	0	[2],[4]	0	[2],[4]
Fair Value, Measurements, Recurring [Member] | Crude Oil Options [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives:
Derivative liabilities	288	[2],[4]	309	[2],[4]
Fair Value, Measurements, Recurring [Member] | Natural gas swaps [Member] | Carrying Amount, Fair Value Disclosure [Member]
Derivatives:
Derivative liabilities	10	[2],[4]	4	[2],[4]
Fair Value, Measurements, Recurring [Member] | Natural gas swaps [Member] | Estimate of Fair Value Measurement [Member]
Derivatives:
Derivative liabilities	10	[2],[4]	4	[2],[4]
Fair Value, Measurements, Recurring [Member] | Natural gas swaps [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives:
Derivative liabilities	0	[2],[4]	0	[2],[4]
Fair Value, Measurements, Recurring [Member] | Natural gas swaps [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives:
Derivative liabilities	10	[2],[4]	4	[2],[4]
Fair Value, Measurements, Recurring [Member] | Natural gas swaps [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives:
Derivative liabilities	0	[2],[4]	0	[2],[4]
Fair Value, Measurements, Recurring [Member] | Copper futures and swap contracts [Member] | Carrying Amount, Fair Value Disclosure [Member]
Derivatives:
Derivative liabilities	8	[2],[4]
Fair Value, Measurements, Recurring [Member] | Copper futures and swap contracts [Member] | Estimate of Fair Value Measurement [Member]
Derivatives:
Derivative liabilities	8	[2],[4]
Fair Value, Measurements, Recurring [Member] | Copper futures and swap contracts [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives:
Derivative liabilities	7	[2],[4]
Fair Value, Measurements, Recurring [Member] | Copper futures and swap contracts [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives:
Derivative liabilities	1	[2],[4]
Fair Value, Measurements, Recurring [Member] | Copper futures and swap contracts [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives:
Derivative liabilities	0	[2],[4]
Fair Value, Measurements, Recurring [Member] | Copper forward contracts [Member] | Carrying Amount, Fair Value Disclosure [Member]
Derivatives:
Derivative liabilities			1	[2],[4]
Fair Value, Measurements, Recurring [Member] | Copper forward contracts [Member] | Estimate of Fair Value Measurement [Member]
Derivatives:
Derivative liabilities			1	[2],[4]
Fair Value, Measurements, Recurring [Member] | Copper forward contracts [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives:
Derivative liabilities			1	[2],[4]
Fair Value, Measurements, Recurring [Member] | Copper forward contracts [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives:
Derivative liabilities			0	[2],[4]
Fair Value, Measurements, Recurring [Member] | Copper forward contracts [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives:
Derivative liabilities			0	[2],[4]
Fair Value, Measurements, Recurring [Member] | Plains Offshore Warrants [Member] | Carrying Amount, Fair Value Disclosure [Member]
Derivatives:
Derivative liabilities	1	[2],[6]	2	[2],[6]
Fair Value, Measurements, Recurring [Member] | Plains Offshore Warrants [Member] | Estimate of Fair Value Measurement [Member]
Derivatives:
Derivative liabilities	1	[2],[6]	2	[2],[6]
Fair Value, Measurements, Recurring [Member] | Plains Offshore Warrants [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives:
Derivative liabilities	0	[2],[6]	0	[2],[6]
Fair Value, Measurements, Recurring [Member] | Plains Offshore Warrants [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives:
Derivative liabilities	0	[2],[6]	0	[2],[6]
Fair Value, Measurements, Recurring [Member] | Plains Offshore Warrants [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives:
Derivative liabilities	1	[2],[6]	2	[2],[6]
Fair Value, Measurements, Recurring [Member] | U.S. core fixed income fund [Member] | Carrying Amount, Fair Value Disclosure [Member]
Investment securities (current and long-term):
Investment securities	22	[1],[2]	21	[1],[2]
Legally restricted funds (long-term):
Legally restricted funds	49	[1],[2],[3]	48	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | U.S. core fixed income fund [Member] | Estimate of Fair Value Measurement [Member]
Investment securities (current and long-term):
Investment securities	22	[1],[2]	21	[1],[2]
Legally restricted funds (long-term):
Legally restricted funds	49	[1],[2],[3]	48	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | U.S. core fixed income fund [Member] | Fair Value, Inputs, Level 1 [Member]
Investment securities (current and long-term):
Investment securities	0	[1],[2]	0	[1],[2]
Legally restricted funds (long-term):
Legally restricted funds	0	[1],[2],[3]	0	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | U.S. core fixed income fund [Member] | Fair Value, Inputs, Level 2 [Member]
Investment securities (current and long-term):
Investment securities	22	[1],[2]	21	[1],[2]
Legally restricted funds (long-term):
Legally restricted funds	49	[1],[2],[3]	48	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | U.S. core fixed income fund [Member] | Fair Value, Inputs, Level 3 [Member]
Investment securities (current and long-term):
Investment securities	0	[1],[2]	0	[1],[2]
Legally restricted funds (long-term):
Legally restricted funds	0	[1],[2],[3]	0	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Money market funds [Member] | Carrying Amount, Fair Value Disclosure [Member]
Investment securities (current and long-term):
Investment securities	18	[1],[2]	18	[1],[2]
Legally restricted funds (long-term):
Legally restricted funds	26	[1],[2],[3]	28	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Money market funds [Member] | Estimate of Fair Value Measurement [Member]
Investment securities (current and long-term):
Investment securities	18	[1],[2]	18	[1],[2]
Legally restricted funds (long-term):
Legally restricted funds	26	[1],[2],[3]	28	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Money market funds [Member] | Fair Value, Inputs, Level 1 [Member]
Investment securities (current and long-term):
Investment securities	18	[1],[2]	18	[1],[2]
Legally restricted funds (long-term):
Legally restricted funds	26	[1],[2],[3]	28	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Money market funds [Member] | Fair Value, Inputs, Level 2 [Member]
Investment securities (current and long-term):
Investment securities	0	[1],[2]	0	[1],[2]
Legally restricted funds (long-term):
Legally restricted funds	0	[1],[2],[3]	0	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Money market funds [Member] | Fair Value, Inputs, Level 3 [Member]
Investment securities (current and long-term):
Investment securities	0	[1],[2]	0	[1],[2]
Legally restricted funds (long-term):
Legally restricted funds	0	[1],[2],[3]	0	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Carrying Amount, Fair Value Disclosure [Member]
Investment securities (current and long-term):
Investment securities	4	[1],[2]	5	[1],[2]
Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Estimate of Fair Value Measurement [Member]
Investment securities (current and long-term):
Investment securities	4	[1],[2]	5	[1],[2]
Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Fair Value, Inputs, Level 1 [Member]
Investment securities (current and long-term):
Investment securities	4	[1],[2]	5	[1],[2]
Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Fair Value, Inputs, Level 2 [Member]
Investment securities (current and long-term):
Investment securities	0	[1],[2]	0	[1],[2]
Fair Value, Measurements, Recurring [Member] | Equity securities [Member] | Fair Value, Inputs, Level 3 [Member]
Investment securities (current and long-term):
Investment securities	0	[1],[2]	0	[1],[2]
Fair Value, Measurements, Recurring [Member] | Government bonds and notes [Member] | Carrying Amount, Fair Value Disclosure [Member]
Legally restricted funds (long-term):
Legally restricted funds	34	[1],[2],[3]	28	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Government bonds and notes [Member] | Estimate of Fair Value Measurement [Member]
Legally restricted funds (long-term):
Legally restricted funds	34	[1],[2],[3]	28	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Government bonds and notes [Member] | Fair Value, Inputs, Level 1 [Member]
Legally restricted funds (long-term):
Legally restricted funds	0	[1],[2],[3]	0	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Government bonds and notes [Member] | Fair Value, Inputs, Level 2 [Member]
Legally restricted funds (long-term):
Legally restricted funds	34	[1],[2],[3]	28	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Government bonds and notes [Member] | Fair Value, Inputs, Level 3 [Member]
Legally restricted funds (long-term):
Legally restricted funds	0	[1],[2],[3]	0	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Government mortgage-backed securities [Member] | Carrying Amount, Fair Value Disclosure [Member]
Legally restricted funds (long-term):
Legally restricted funds	32	[1],[2],[3]	34	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Government mortgage-backed securities [Member] | Estimate of Fair Value Measurement [Member]
Legally restricted funds (long-term):
Legally restricted funds	32	[1],[2],[3]	34	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Government mortgage-backed securities [Member] | Fair Value, Inputs, Level 1 [Member]
Legally restricted funds (long-term):
Legally restricted funds	0	[1],[2],[3]	0	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Government mortgage-backed securities [Member] | Fair Value, Inputs, Level 2 [Member]
Legally restricted funds (long-term):
Legally restricted funds	32	[1],[2],[3]	34	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Government mortgage-backed securities [Member] | Fair Value, Inputs, Level 3 [Member]
Legally restricted funds (long-term):
Legally restricted funds	0	[1],[2],[3]	0	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Corporate bonds [Member] | Carrying Amount, Fair Value Disclosure [Member]
Legally restricted funds (long-term):
Legally restricted funds	27	[1],[2],[3]	28	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Corporate bonds [Member] | Estimate of Fair Value Measurement [Member]
Legally restricted funds (long-term):
Legally restricted funds	27	[1],[2],[3]	28	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Corporate bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Legally restricted funds (long-term):
Legally restricted funds	0	[1],[2],[3]	0	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Corporate bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Legally restricted funds (long-term):
Legally restricted funds	27	[1],[2],[3]	28	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Corporate bonds [Member] | Fair Value, Inputs, Level 3 [Member]
Legally restricted funds (long-term):
Legally restricted funds	0	[1],[2],[3]	0	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Asset-backed securities [Member] | Carrying Amount, Fair Value Disclosure [Member]
Legally restricted funds (long-term):
Legally restricted funds	15	[1],[2],[3]	15	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Asset-backed securities [Member] | Estimate of Fair Value Measurement [Member]
Legally restricted funds (long-term):
Legally restricted funds	15	[1],[2],[3]	15	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Asset-backed securities [Member] | Fair Value, Inputs, Level 1 [Member]
Legally restricted funds (long-term):
Legally restricted funds	0	[1],[2],[3]	0	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Asset-backed securities [Member] | Fair Value, Inputs, Level 2 [Member]
Legally restricted funds (long-term):
Legally restricted funds	15	[1],[2],[3]	15	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Asset-backed securities [Member] | Fair Value, Inputs, Level 3 [Member]
Legally restricted funds (long-term):
Legally restricted funds	0	[1],[2],[3]	0	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Municipal bonds [Member] | Carrying Amount, Fair Value Disclosure [Member]
Legally restricted funds (long-term):
Legally restricted funds	1	[1],[2],[3]	1	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Municipal bonds [Member] | Estimate of Fair Value Measurement [Member]
Legally restricted funds (long-term):
Legally restricted funds	1	[1],[2],[3]	1	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Municipal bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Legally restricted funds (long-term):
Legally restricted funds	0	[1],[2],[3]	0	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Municipal bonds [Member] | Fair Value, Inputs, Level 2 [Member]
Legally restricted funds (long-term):
Legally restricted funds	1	[1],[2],[3]	1	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Municipal bonds [Member] | Fair Value, Inputs, Level 3 [Member]
Legally restricted funds (long-term):
Legally restricted funds	0	[1],[2],[3]	0	[1],[2],[3]
Fair Value, Measurements, Recurring [Member] | Embedded derivatives in provisional sales/purchases contracts [Member] | Carrying Amount, Fair Value Disclosure [Member]
Derivatives:
Derivative assets	13	[2],[4]	63	[2],[4]
Fair Value, Measurements, Recurring [Member] | Embedded derivatives in provisional sales/purchases contracts [Member] | Estimate of Fair Value Measurement [Member]
Derivatives:
Derivative assets	13	[2],[4]	63	[2],[4]
Fair Value, Measurements, Recurring [Member] | Embedded derivatives in provisional sales/purchases contracts [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives:
Derivative assets	0	[2],[4]	0	[2],[4]
Fair Value, Measurements, Recurring [Member] | Embedded derivatives in provisional sales/purchases contracts [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives:
Derivative assets	13	[2],[4]	63	[2],[4]
Fair Value, Measurements, Recurring [Member] | Embedded derivatives in provisional sales/purchases contracts [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives:
Derivative assets	0	[2],[4]	0	[2],[4]
Fair Value, Measurements, Recurring [Member] | Copper futures and swap contracts [Member] | Carrying Amount, Fair Value Disclosure [Member]
Derivatives:
Derivative assets	2	[2],[4]	6	[2],[4]
Fair Value, Measurements, Recurring [Member] | Copper futures and swap contracts [Member] | Estimate of Fair Value Measurement [Member]
Derivatives:
Derivative assets	2	[2],[4]	6	[2],[4]
Fair Value, Measurements, Recurring [Member] | Copper futures and swap contracts [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives:
Derivative assets	1	[2],[4]	5	[2],[4]
Fair Value, Measurements, Recurring [Member] | Copper futures and swap contracts [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives:
Derivative assets	1	[2],[4]	1	[2],[4]
Fair Value, Measurements, Recurring [Member] | Copper futures and swap contracts [Member] | Fair Value, Inputs, Level 3 [Member]
Derivatives:
Derivative assets	0	[2],[4]	0	[2],[4]
Fair Value, Measurements, Recurring [Member] | Time Deposits [Member] | Carrying Amount, Fair Value Disclosure [Member]
Investment securities (current and long-term):
Investment securities	210		210
Deferred Option Premiums and Accrued Interest [Member]
Derivatives:
Derivative liabilities	$ 387		$ 444

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

[2] Recorded at fair value.

[3] Legally restricted funds excluded $210 million of time deposits (which approximated fair value) at March 31, 2014, and December 31, 2013, associated with the Cerro Verde royalty dispute.

[4] Refer to Note 7 for further discussion and balance sheet classifications. Crude oil options are net of $387 million at March 31, 2014, and $444 million at December 31, 2013, for deferred premiums and accrued interest.

[5] Recorded at cost except for debt assumed in acquisitions, which were recorded at fair value at the respective acquisition dates.

[6] Included in other liabilities.

XML

Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flow from operating activities:
Net income	$ 626	$ 824
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion and amortization	966	329
Net losses on crude oil and natural gas derivative contracts	50	0
Stock-based compensation	28	41
Pension plans contributions	(9)	(22)
Net charges for environmental and asset retirement obligations, including accretion	46	34
Payments for environmental and asset retirement obligations	(45)	(36)
Losses on early extinguishment of debt	0	45
Deferred income taxes	90	136
Increase in long-term mill and leach stockpiles	(86)	(126)
Other, net	(52)	36
(Increases) decreases in working capital and changes in other tax payments, excluding amounts from acquisition:
Accounts receivable	179	(113)
Inventories	(180)	(67)
Other current assets	(34)	(48)
Accounts payable and accrued liabilities	(362)	(201)
Accrued income taxes and other tax payments	(16)	(1)
Net cash provided by operating activities	1,201	831
Capital expenditures:
North America copper mines	(303)	(257)
South America	(423)	(226)
Indonesia	(236)	(191)
Africa	(31)	(57)
Molybdenum mines	(19)	(40)
U.S. oil and gas operations	(579)	0
Other	(21)	(34)
Acquisition of cobalt chemical business, net of cash acquired	0	(321)
Other, net	7	14
Net cash used in investing activities	(1,605)	(1,112)
Cash flow from financing activities:
Proceeds from debt	1,149	6,615
Repayments of debt	(987)	(39)
Cash dividends and distributions paid:
Common stock	(326)	(297)
Noncontrolling interests	(77)	(35)
Contributions from noncontrolling interests	24	0
Debt financing costs	(25)	(72)
Stock-based awards net proceeds (payments), including excess tax benefit	3	(1)
Net cash (used in) provided by financing activities	(239)	6,171
Net (decrease) increase in cash and cash equivalents	(643)	5,890
Cash and cash equivalents at beginning of year	1,985	3,705
Cash and cash equivalents at end of period	$ 1,342	$ 9,595

XML

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

3 Months Ended

Mar. 31, 2014

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, 2014		December 31, 2013
Current inventories:
Raw materials (primarily concentrates)	$	247	$	238
Work-in-processa	188		199
Finished goodsb	1,269		1,146
Total product inventories	$	1,704	$	1,583
Mill stockpiles	$	90	$	91
Leach stockpiles	1,682		1,614
Total current mill and leach stockpiles	$	1,772	$	1,705
Total materials and supplies, netc	$	1,744	$	1,730
Long-term inventories:
Mill stockpiles	$	730	$	698
Leach stockpiles	1,742		1,688
Total long-term mill and leach stockpilesd	$	2,472	$	2,386

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

b. Primarily included molybdenum concentrates; copper concentrates, anodes, cathodes and rod; and various cobalt products.

c. Materials and supplies inventory was net of obsolescence reserves totaling $21 million at March 31, 2014, and $24 million at December 31, 2013.

d. Estimated metals in stockpiles not expected to be recovered within the next 12 months.

XML

Guarantor Financial Statements (Unaudited) (Tables)

3 Months Ended

Mar. 31, 2014

Guarantor Financial Statements [Abstract]

Condensed Consolidating Balance Sheets [Table Text Block]

CONDENSED CONSOLIDATING BALANCE SHEET

March 31, 2014

	FCX			FM O&G LLC		Non-guarantor					Consolidated
	Issuer			Guarantor		Subsidiaries		Eliminations			FCX
ASSETS
Current assets:
Cash and cash equivalents	$	—		$	2	$	1,340	$	—		$	1,342
Accounts receivable	22			324		2,088		(57		)	2,377
Other current assets	102			107		5,502		—			5,711
Total current assets	124			433		8,930		(57		)	9,430
Property, plant, equipment and mining development costs, net	26			45		24,658		—			24,729
Oil and gas properties, net - full cost method:
Subject to amortization, less accumulated amortization	—			6,331		6,223		8			12,562
Not subject to amortization	—			2,524		8,251		—			10,775
Investments in consolidated subsidiaries	31,628			9,939		12,680		(54,247		)	—
Goodwill	—			437		1,479		—			1,916
Other assets	7,478			4,687		4,293		(12,027		)	4,431
Total assets	$	39,256		$	24,396	$	66,514	$	(66,323	)	$	63,843
LIABILITIES AND EQUITY
Current liabilities	$	1,244		$	879	$	3,317	$	(57	)	$	5,383
Long-term debt, less current portion	12,585			6,967		8,809		(8,602		)	19,759
Deferred income taxes	4,246		a	—		3,258		—			7,504
Environmental and asset retirement obligations, less current portion	—			305		2,971		—			3,276
Other liabilities	31			3,409		1,680		(3,425		)	1,695
Total liabilities	18,106			11,560		20,035		(12,084		)	37,617
Redeemable noncontrolling interest	—			—		743		—			743
Equity:
Stockholders' equity	21,150			12,836		41,864		(54,700		)	21,150
Noncontrolling interests	—			—		3,872		461			4,333
Total equity	21,150			12,836		45,736		(54,239		)	25,483
Total liabilities and equity	$	39,256		$	24,396	$	66,514	$	(66,323	)	$	63,843

a. All U.S. related deferred income taxes are recorded at the parent company.

CONDENSED CONSOLIDATING BALANCE SHEET

December 31, 2013

	FCX			FM O&G LLC		Non-guarantor					Consolidated
	Issuer			Guarantor		Subsidiaries		Eliminations			FCX
ASSETS
Current assets:
Cash and cash equivalents	$	—		$	—	$	1,985	$	—		$	1,985
Accounts receivable	855			659		2,258		(1,210		)	2,562
Other current assets	114			38		5,273		—			5,425
Total current assets	969			697		9,516		(1,210		)	9,972
Property, plant, equipment and mining development costs, net	27			43		23,972		—			24,042
Oil and gas properties, net - full cost method:
Subject to amortization, less accumulated amortization	—			6,207		6,265		—			12,472
Not subject to amortization	—			2,649		8,238		—			10,887
Investment in consolidated subsidiaries	31,162			9,712		12,468		(53,342		)	—
Goodwill	—			437		1,479		—			1,916
Other assets	7,126			4,640		4,128		(11,710		)	4,184
Total assets	$	39,284		$	24,385	$	66,066	$	(66,262	)	$	63,473
LIABILITIES AND EQUITY
Current liabilities	$	1,003		$	758	$	4,222	$	(1,210	)	$	4,773
Long-term debt, less current portion	13,184			7,199		8,056		(8,045		)	20,394
Deferred income taxes	4,137		a	—		3,273		—			7,410
Environmental and asset retirement obligations, less current portion	—			301		2,958		—			3,259
Other liabilities	26			3,436		1,893		(3,665		)	1,690
Total liabilities	18,350			11,694		20,402		(12,920		)	37,526
Redeemable noncontrolling interest	—			—		716		—			716
Equity:
Stockholders' equity	20,934			12,691		41,100		(53,791		)	20,934
Noncontrolling interests	—			—		3,848		449			4,297
Total equity	20,934			12,691		44,948		(53,342		)	25,231
Total liabilities and equity	$	39,284		$	24,385	$	66,066	$	(66,262	)	$	63,473

a. All U.S. related deferred income taxes are recorded at the parent company.

Condensed Consolidating Statements of Income [Table Text Block]

CONDENSED CONSOLIDATING STATEMENT OF COMPREHENSIVE INCOME

Three Months Ended March 31, 2014

	FCX			FM O&G LLC			Non-guarantor						Consolidated
	Issuer			Guarantor			Subsidiaries			Eliminations			FCX
Revenues	$	—		$	644		$	4,341		$	—		$	4,985
Total costs and expenses	11			526			3,339			(2		)	3,874
Operating (loss) income	(11		)	118			1,002			2			1,111
Interest expense, net	(82		)	(41		)	(58		)	20			(161		)
Other income (expense), net	20			—			33			(20		)	33
Provision for income taxes	(21		)	(43		)	(292		)	(1		)	(357		)
Equity in affiliated companies' net earnings (losses)	604			130			185			(919		)	—
Net income (loss)	510			164			870			(918		)	626
Net income and preferred dividends attributable to noncontrolling interests	—			—			(111		)	(5		)	(116		)
Net income (loss) attributable to FCX common stockholders	$	510		$	164		$	759		$	(923	)	$	510
Other comprehensive income	—			—			3			—			3
Total comprehensive income (loss)	$	510		$	164		$	762		$	(923	)	$	513

Condensed Consolidating Statements of Cash Flows [Table Text Block]

CONDENSED CONSOLIDATING STATEMENT OF CASH FLOWS

Three Months Ended March 31, 2014

	FCX			FM O&G LLC			Non-guarantor						Consolidated
	Issuer			Guarantor			Subsidiaries			Eliminations			FCX
Cash flow from operating activities:
Net income (loss)	$	510		$	164		$	870		$	(918	)	$	626
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:
Depreciation, depletion and amortization	1			285			682			(2		)	966
Net losses on crude oil and natural gas derivative contracts	—			50			—			—			50
Equity in (earnings) losses of consolidated subsidiaries	(604		)	(130		)	(185		)	919			—
Other, net	134			(9		)	(140		)	(13		)	(28		)
(Increases) decreases in working capital and changes in other tax payments, excluding amounts from acquisition	(234		)	339			(518		)	—			(413		)
Net cash (used in) provided by operating activities	(193		)	699			709			(14		)	1,201
Cash flow from investing activities:
Capital expenditures	—			(335		)	(1,277		)	—			(1,612		)
Intercompany loans	190			(43		)	—			(147		)	—
Investment in consolidated subsidiary	212			(96		)	(430		)	314			—
Other, net	—			4			3			—			7
Net cash provided by (used in) investing activities	402			(470		)	(1,704		)	167			(1,605		)
Cash flow from financing activities:
Proceeds from debt	895			—			254			—			1,149
Repayments of debt	(780		)	—			(207		)	—			(987		)
Intercompany loans	—			(213		)	66			147			—
Cash dividends and distributions paid	(326		)	(14		)	237			(300		)	(403		)
Other, net	2			—			—			—			2
Net cash (used in) provided by financing activities	(209		)	(227		)	350			(153		)	(239		)
Net increase (decrease) in cash and cash equivalents	—			2			(645		)	—			(643		)
Cash and cash equivalents at beginning of period	—			—			1,985			—			1,985
Cash and cash equivalents at end of period	$	—		$	2		$	1,340		$	—		$	1,342

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Financial Instruments (Unaudited) Oil and Gas (Details) (USD $) In Millions, unless otherwise specified				3 Months Ended							3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Derivatives not designated as hedging instruments [Member] Natural gas swaps [Member] MMBTU	Mar. 31, 2014 2014 Positions [Member] Derivatives not designated as hedging instruments [Member] Crude Oil Options [Member] 5 MBbls [Member] Put Option [Member] MBbls		Mar. 31, 2014 2014 Positions [Member] Derivatives not designated as hedging instruments [Member] Crude Oil Options [Member] 30 MBbls [Member] Put Option [Member] MBbls		Mar. 31, 2014 2014 Positions [Member] Derivatives not designated as hedging instruments [Member] Crude Oil Options [Member] 75 MBbls [Member] Put Option [Member] MBbls		Mar. 31, 2014 2014 Positions [Member] Derivatives not designated as hedging instruments [Member] Natural gas swaps [Member] MMBTU	Mar. 31, 2014 2015 Positions [Member] Derivatives not designated as hedging instruments [Member] Crude Oil Options [Member] 84 MBbls [Member] Put Option [Member] MBbls		Mar. 31, 2014 Deferred Option Premiums and Accrued Interest [Member]	Dec. 31, 2013 Deferred Option Premiums and Accrued Interest [Member]	Mar. 31, 2014 Weighted Average [Member] Crude Oil Options [Member]	Mar. 31, 2014 Weighted Average [Member] 2014 Positions [Member] Derivatives not designated as hedging instruments [Member] Crude Oil Options [Member] 5 MBbls [Member] Put Option [Member]		Mar. 31, 2014 Weighted Average [Member] 2014 Positions [Member] Derivatives not designated as hedging instruments [Member] Crude Oil Options [Member] 30 MBbls [Member] Put Option [Member]		Mar. 31, 2014 Weighted Average [Member] 2014 Positions [Member] Derivatives not designated as hedging instruments [Member] Crude Oil Options [Member] 75 MBbls [Member] Put Option [Member]		Mar. 31, 2014 Weighted Average [Member] 2015 Positions [Member] Derivatives not designated as hedging instruments [Member] Crude Oil Options [Member] 84 MBbls [Member] Put Option [Member]
Derivative [Line Items]
Derivative Liability	$ 401	$ 320											$ 387	$ 444
Daily Volumes (Bbls)			28,000,000	75	[1]	30	[1]	5	[1]	100,000	84	[1]
Derivative, Average Floor Price				90	[1],[2]	95	[1],[2]	100	[1],[2]		90	[1],[2]
Derivative, Average Floor Price Limit				70	[1],[2]	75	[1],[2]	80	[1],[2]		70	[1],[2]
Deferred Premium Price															6.40	5.74	[1]	6.09	[1]	7.11	[1]	6.89	[1]
Derivative, Underlying Basis				Brent	[1]	Brent	[1]	Brent	[1]		Brent	[1]
Derivative Latest Maturity Period										December 2014
Maximum Price Limit per Barrel	20
Derivative, Swap Type, Fixed Price										4.09

[1] If the index price is less than the per barrel floor, FCX receives the difference between the per barrel floor and the index price up to a maximum of $20 per barrel less the option premium. If the index price is at or above the per barrel floor, FCX pays the option premium and no cash settlement is received.

[2] The average strike prices do not reflect any premiums to purchase the put options.

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Acquisitions (Unaudited) (Tables)

3 Months Ended

Mar. 31, 2014

Acquisitions [Abstract]

Business Acquisition, Pro Forma Information [Table Text Block]

	Three Months
	Ended
	March 31, 2013
	(in millions, except per share amounts)
Revenues	$	5,695
Operating income	1,580
Income from continuing operations	913
Net income attributable to FCX common stockholders	728
Net income per share attributable to FCX common stockholders:
Basic	$	0.70
Diluted	0.70