XML 150 R110.htm IDEA: XBRL DOCUMENT
v2.4.1.9

SUPPLEMENTARY OIL AND GAS INFORMATION (UNAUDITED) (Schedule of Costs Incurred) (Details) (USD $) | 7 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Jun. 30, 2014
Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities [Line Items] |  |  |  |  |  |  |  |  |
Liabilities assumed in the acquisitions of PXP and MMR |  |  | $ 0 fcx_AssetRetirementObligationLiabilitiesAssumed | [1] | $ 1,028,000,000 fcx_AssetRetirementObligationLiabilitiesAssumed | [1] | $ 0 fcx_AssetRetirementObligationLiabilitiesAssumed | [1] |
Property acquisition costs: |  |  |  |  |  |  |  |  |
Proved properties | 12,205,000,000 us-gaap_CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves | [2],[3] | 463,000,000 us-gaap_CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves |  |  |  |  |  |
Unproved properties | 11,259,000,000 us-gaap_CostsIncurredAcquisitionOfUnprovedOilAndGasProperties | [3],[4] | 1,460,000,000 us-gaap_CostsIncurredAcquisitionOfUnprovedOilAndGasProperties |  |  |  |  |  |
Exploration costs | 502,000,000 us-gaap_CostsIncurredExplorationCosts | [3] | 1,482,000,000 us-gaap_CostsIncurredExplorationCosts |  |  |  |  |  |
Development costs | 854,000,000 us-gaap_CostsIncurredDevelopmentCosts | [3] | 1,270,000,000 us-gaap_CostsIncurredDevelopmentCosts |  |  |  |  |  |
Total | 24,820,000,000 us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities | [3] | 4,675,000,000 us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Oil and Gas Properties, Subject to Depletion | 12,200,000,000 fcx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOilandGasPropertiesSubjecttoDepletion |  |  |  | 12,200,000,000 fcx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOilandGasPropertiesSubjecttoDepletion |  |  |  | 12,198,000,000 fcx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOilandGasPropertiesSubjecttoDepletion
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Oil and Gas Properties, Not Subject to Depletion | 11,100,000,000 fcx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOilandGasPropertiesNotSubjecttoDepletion |  |  |  | 11,100,000,000 fcx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOilandGasPropertiesNotSubjecttoDepletion |  |  |  | 11,112,000,000 fcx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOilandGasPropertiesNotSubjecttoDepletion
Oil and Gas Operations Segment [Member] |  |  |  |  |  |  |  |  |
Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities [Line Items] |  |  |  |  |  |  |  |  |
Capitalized Costs, Asset Retirement Costs | 1,100,000,000 us-gaap_CapitalizedCostsAssetRetirementCosts / us-gaap_StatementBusinessSegmentsAxis = fcx_OilAndGasOperationsSegmentMember |  | (27,000,000)us-gaap_CapitalizedCostsAssetRetirementCosts / us-gaap_StatementBusinessSegmentsAxis = fcx_OilAndGasOperationsSegmentMember |  | 1,100,000,000 us-gaap_CapitalizedCostsAssetRetirementCosts / us-gaap_StatementBusinessSegmentsAxis = fcx_OilAndGasOperationsSegmentMember |  |  |  |
General and Administrative Costs Capitalized |  |  | 143,000,000 fcx_GeneralandAdministrativeCostsCapitalized / us-gaap_StatementBusinessSegmentsAxis = fcx_OilAndGasOperationsSegmentMember |  | 67,000,000 fcx_GeneralandAdministrativeCostsCapitalized / us-gaap_StatementBusinessSegmentsAxis = fcx_OilAndGasOperationsSegmentMember |  |  |  |
Interest Costs Capitalized |  |  | $ 88,000,000 us-gaap_InterestCostsCapitalized / us-gaap_StatementBusinessSegmentsAxis = fcx_OilAndGasOperationsSegmentMember |  | $ 69,000,000 us-gaap_InterestCostsCapitalized / us-gaap_StatementBusinessSegmentsAxis = fcx_OilAndGasOperationsSegmentMember |  |  |  |
[1] | The fair value of AROs assumed in the acquisitions of PXP and MMR ($741 million and $287 million, respectively) were estimated based on projected cash flows, an estimated long-term annual inflation rate of 2.5 percent, and discount rates based on FCX's estimated credit-adjusted, risk-free interest rates ranging from 1.3 percent to 6.3 percent.
[2] | Includes $12.2 billion from the acquisitions of PXP and MMR.
[3] | Includes the results of FM O&G beginning June 1, 2013.
[4] | Includes $11.1 billion from the acquisitions of PXP and MMR.

X
- Definition Amount of asset retirement obligations assumed in acquisitions during the period. + References No definition available. + Details
Name: | fcx_AssetRetirementObligationLiabilitiesAssumed
Namespace Prefix: | fcx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of oil and gas properties not subject to depletion recognized as of the acquisition date. + References No definition available. + Details
Name: | fcx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOilandGasPropertiesNotSubjecttoDepletion
Namespace Prefix: | fcx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of oil and gas properties subject to depletion recognized as of the acquisition date. + References No definition available. + Details
Name: | fcx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedOilandGasPropertiesSubjecttoDepletion
Namespace Prefix: | fcx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Capitalized general and administrative costs incurred in oil and gas activities. + References No definition available. + Details
Name: | fcx_GeneralandAdministrativeCostsCapitalized
Namespace Prefix: | fcx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of asset retirement costs previously incurred and capitalized separately from the capitalized amount of the associated long-lived assets. + References Reference 1: 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_CapitalizedCostsAssetRetirementCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_CostsIncurredAcquisitionOfOilAndGasPropertiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of oil and gas properties that have proved reserves. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 18 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62014-109447 + Details
Name: | us-gaap_CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of oil and gas properties that have unproved reserves. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 18 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62014-109447 + Details
Name: | us-gaap_CostsIncurredAcquisitionOfUnprovedOilAndGasProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Development costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 18 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62014-109447 + Details
Name: | us-gaap_CostsIncurredDevelopmentCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Exploration costs incurred, including capitalized costs and costs charged to expense, in oil and gas activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Exploration -URI http://asc.fasb.org/extlink&oid=6512329 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 18 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62014-109447 + Details
Name: | us-gaap_CostsIncurredExplorationCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of costs incurred related to oil and gas property acquisition, exploration and development activities, including capitalized costs and costs charged to expense. + References No definition available. + Details
Name: | us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivitiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of interest capitalized during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Allowance for Funds Used during Construction -URI http://asc.fasb.org/extlink&oid=6504829 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 + Details
Name: | us-gaap_InterestCostsCapitalized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=fcx_OilAndGasOperationsSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |