XML 64 R48.htm IDEA: XBRL DOCUMENT
v2.4.1.9

SUPPLEMENTARY OIL AND GAS INFORMATION (UNAUDITED) (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
Supplementary Oil and Gas Information [Abstract] |
Cost Incurred in Oil and Gas Property Acquisition, Exploration, and Development Activities Disclosure [Table Text Block] | FCX's oil and gas acquisition, exploration and development activities for the years ended December 31 follows:
| 2014 |  | 2013 a |
Property acquisition costs: |  |  |  |
Proved properties | $ | 463 |  |  | $ | 12,205 |  | b
Unproved properties | 1,460 |  |  | 11,259 |  | c
Exploration costs | 1,482 |  |  | 502 |  |
Development costs | 1,270 |  |  | 854 |  |
| $ | 4,675 |  |  | $ | 24,820 |  |
a. | Includes the results of FM O&G beginning June 1, 2013.
b. | Includes $12.2 billion from the acquisitions of PXP and MMR.
c. | Includes $11.1 billion from the acquisitions of PXP and MMR.
Capitalized Costs Relating to Oil and Gas Producing Activities Disclosure [Table Text Block] | The aggregate capitalized costs subject to amortization for oil and gas properties and the aggregate related accumulated amortization as of December 31 follow:
| 2014 |  | 2013 |
Properties subject to amortization | $ | 16,547 |  |  | $ | 13,829 |  |
Accumulated amortization | (7,360 | ) | a | (1,357 | ) |
| $ | 9,187 |  |  | $ | 12,472 |  |
a. | Includes charges of $3.7 billion to reduce the carrying value of oil and gas properties pursuant to full cost accounting rules.
Schedule of Capitalized Costs of Unproved Properties Excluded from Amortization [Table Text Block] | A summary of the categories of costs comprising the amount of unproved properties not subject to amortization by the year in which such costs were incurred follows:
|  | December 31,
|  | Total |  | 2014 |  | 2013
U.S.: |  |  |  |  |  |
Onshore |  |  |  |  |  |
Acquisition costs |  | $ | 2,303 |  |  | $ | 18 |  |  | $ | 2,285 |
Exploration costs |  | 121 |  |  | 119 |  |  | 2 |
Capitalized interest |  | 27 |  |  | 22 |  |  | 5 |
Offshore |  |  |  |  |  |
Acquisition costs |  | 7,094 |  |  | 1,413 |  |  | 5,681 |
Exploration costs |  | 429 |  |  | 387 |  |  | 42 |
Capitalized interest |  | 75 |  |  | 39 |  |  | 36 |
International: |  |  |  |  |  |
Offshore |  |  |  |  |  |
Acquisition costs |  | 15 |  |  | — |  |  | 15 |
Exploration costs |  | 23 |  |  | 23 |  |  | — |
Capitalized interest |  | — |  |  | — |  |  | — |
|  | $ | 10,087 |  |  | $ | 2,021 |  |  | $ | 8,066 |
Results of Operations for Oil and Gas Producing Activities Disclosure [Table Text Block] | The results of operations from oil and gas producing activities for the year ended December 31, 2014, and the period from June 1, 2013, to December 31, 2013, presented below exclude non-oil and gas revenues, general and administrative expenses, goodwill impairment, interest expense and interest income. Income tax benefit (expense) was determined by applying the statutory rates to pre-tax operating results:
| Year Ended |  | June 1, 2013 to
| December 31, 2014 |  | December 31, 2013
Revenues from oil and gas producing activities | $ | 4,710 |  |  | $ | 2,616 |
Production and delivery costs | (1,237 | ) |  | (682 | )
Depreciation, depletion and amortization | (2,265 | ) |  | (1,358 | )
Impairment of oil and gas properties | (3,737 | ) |  | — |
Income tax benefit (expense) (based on FCX's statutory tax rate) | 958 |  |  | (219 | )
Results of operations from oil and gas producing activities | $ | (1,571 | ) |  | $ | 357 |
Schedule of Proved Developed and Undeveloped Oil and Gas Reserve Quantities [Table Text Block] | The following table sets forth certain data pertaining to proved, proved developed and proved undeveloped reserves, all of which are in the U.S., for the years ended December 31, 2014 and 2013.
|  | Oil |  | Gas |  | Total
|  | (MMBbls)a,b |  | (Bcf)a |  | (MMBOE)a
2014 |  |  |  |  |  |
Proved reserves: |  |  |  |  |  |
Balance at beginning of year |  | 370 |  |  | 562 |  |  | 464 |
Extensions and discoveries |  | 10 |  |  | 35 |  |  | 16 |
Acquisitions of reserves in-place |  | 14 |  |  | 9 |  |  | 16 |
Revisions of previous estimates |  | (10 | ) |  | 140 |  |  | 13 |
Sale of reserves in-place |  | (53 | ) |  | (54 | ) |  | (62 | )
Production |  | (43 | ) |  | (82 | ) |  | (57 | )
Balance at end of year |  | 288 |  |  | 610 |  |  | 390 |
Proved developed reserves at December 31, 2014 |  | 184 |  |  | 369 |  |  | 246 |
Proved undeveloped reserves at December 31, 2014 |  | 104 |  |  | 241 |  |  | 144 |
2013 |  |  |  |  |  |
Proved reserves: |  |  |  |  |  |
Balance at beginning of year |  | — |  |  | — |  |  | — |
Acquisitions of PXP and MMR |  | 368 |  |  | 626 |  |  | 472 |
Extensions and discoveries |  | 20 |  |  | 20 |  |  | 24 |
Revisions of previous estimates |  | 11 |  |  | (26 | ) |  | 7 |
Sale of reserves in-place |  | — |  |  | (3 | ) |  | (1 | )
Production |  | (29 | ) |  | (55 | ) |  | (38 | )
Balance at end of year |  | 370 |  |  | 562 |  |  | 464 |
Proved developed reserves at December 31, 2013 |  | 236 |  |  | 423 |  |  | 307 |
Proved undeveloped reserves at December 31, 2013 |  | 134 |  |  | 139 |  |  | 157 |
a. | MMBbls = million barrels; Bcf = billion cubic feet; MMBOE = million BOE
b. | Includes 10 MMBbls of NGL proved reserves (7 MMBbls of developed and 3 MMBbls of undeveloped) at December 31, 2014
Standardized Measure of Discounted Future Cash Flows Relating to Proved Reserves Disclosure [Table Text Block] | The Standardized Measure related to proved oil and natural gas reserves as of December 31 follows:
| 2014 |  | 2013
Future cash inflows | $ | 29,504 |  |  | $ | 38,901 |
Future production expense | (10,991 | ) |  | (12,774 | )
Future development costs a | (6,448 | ) |  | (6,480 | )
Future income tax expense | (2,487 | ) |  | (4,935 | )
Future net cash flows | 9,578 |  |  | 14,712 |
Discounted at 10% per year | (3,157 | ) |  | (5,295 | )
Standardized Measure | $ | 6,421 |  |  | $ | 9,417 |
a. | Includes estimated asset retirement costs of $1.8 billion at December 31, 2014 and 2013.
Schedule of Changes in Standardized Measure of Discounted Future Net Cash Flows [Table Text Block] | A summary of the principal sources of changes in the Standardized Measure for the years ended December 31 follows:
|  | 2014 |  | 2013 a
Balance at beginning of year |  | $ | 9,417 |  |  | $ | — |
Changes during the year: |  |  |  |
Reserves acquired in the acquisitions of PXP and MMR |  | — |  |  | 14,467 |
Sales, net of production expenses |  | (3,062 | ) |  | (2,296 | )
Net changes in sales and transfer prices, net of production expenses |  | (2,875 | ) |  | (459 | )
Extensions, discoveries and improved recoveries |  | 194 |  |  | 752 |
Changes in estimated future development costs |  | (498 | ) |  | (1,190 | )
Previously estimated development costs incurred during the year |  | 982 |  |  | 578 |
Sales of reserves in-place |  | (1,323 | ) |  | (12 | )
Other purchases of reserves in-place |  | 487 |  |  | — |
Revisions of quantity estimates |  | 399 |  |  | 102 |
Accretion of discount |  | 1,195 |  |  | 701 |
Net change in income taxes |  | 1,505 |  |  | (3,226 | )
Total changes |  | (2,996 | ) |  | 9,417 |
Balance at end of year |  | $ | 6,421 |  |  | $ | 9,417 |
a. | Includes the results of FM O&G beginning June 1, 2013.

X
- Details
Name: | fcx_SupplementaryOilandGasInformationAbstract
Namespace Prefix: | fcx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of aggregate capitalized costs relating to an enterprise's oil and gas producing activities and the aggregate related accumulated depreciation, depletion, amortization, and valuation allowances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61929-109447 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61926-109447 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 55 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=34713648&loc=d3e63019-109448 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61901-109447 + Details
Name: | us-gaap_CapitalizedCostsRelatingToOilAndGasProducingActivitiesDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the aggregate of costs (whether the costs are capitalized or charged to expense at the time they are incurred ) incurred for the year in oil and gas property acquisition, exploration and development activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 55 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=34713648&loc=d3e63042-109448 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62059-109447 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62038-109447 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62014-109447 + Details
Name: | us-gaap_CostIncurredInOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivitiesDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the results of operations for oil and gas producing activities for the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 55 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=34713648&loc=d3e63071-109448 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62136-109447 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62246-109447 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 27 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62352-109447 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10.(a)(17)(ii),(c)(3)(ii)(A)(1)) -URI http://asc.fasb.org/extlink&oid=27015464&loc=d3e511914-122862 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62259-109447 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62299-109447 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62094-109447 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62395-109447 + Details
Name: | us-gaap_ResultsOfOperationsForOilAndGasProducingActivitiesDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the capitalized costs of unproved properties and major development projects that are excluded from capitalized costs being amortized. This includes the total costs excluded and, at a minimum, these categories of costs: acquisition costs, exploration costs, development costs in the case of significant development projects, and capitalized interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10.(c)(7)(ii)) -URI http://asc.fasb.org/extlink&oid=27015464&loc=d3e511914-122862 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 10 -Paragraph c -Subparagraph 3(ii)(A) -Article 4 + Details
Name: | us-gaap_ScheduleOfCapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the aggregate change in the standardized measure of discounted future net cash flows relating to proved oil and gas reserves and oil and gas subject to purchases under long-term agreements in which the enterprise participates in the operation of the properties on which oil and gas is located or otherwise serves as the producer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 36 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62536-109447 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62500-109447 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62496-109447 + Details
Name: | us-gaap_ScheduleOfChangesInStandardizedMeasureOfDiscountedFutureNetCashFlowsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the net quantities of an enterprise's interests in proved developed and undeveloped reserves of (a) crude oil (including condensate and natural gas liquids), (b) natural gas (including coal bed methane), (c) synthetic oil, (d) synthetic gas, and (e) other nonrenewable natural resources that are intended to be upgraded during the period as of the beginning of the period, changes in quantities during the period, and as of the end of the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61858-109447 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61797-109447 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61869-109447 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61831-109447 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61884-109447 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e61872-109447 + Details
Name: | us-gaap_ScheduleOfProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the future net cash flows relating to proved oil and gas reserves and oil and gas subject to purchase under long-term agreements in which the enterprise participates in the operation of the properties on which the oil and gas is located or otherwise serves as the producer. This information is presented in aggregate and for each geographic area for which reserve quantities are disclosed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 36 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62536-109447 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62479-109447 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62424-109447 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62455-109447 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62500-109447 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62476-109447 + Details
Name: | us-gaap_StandardizedMeasureOfDiscountedFutureCashFlowsRelatingToProvedReservesDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration