XML 36 R31.htm IDEA: XBRL DOCUMENT
v2.4.1.9

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, 2015 | Dec. 31, 2014 | Mar. 31, 2014
Capitalized Interest [Line Items] |  |  |
Interest costs incurred | $ 210 us-gaap_InterestCostsIncurred |  | $ 224 us-gaap_InterestCostsIncurred
Dividends Payable, Date Declared | Mar. 24, 2015 |  |
Authorized Quarterly Rate Of Common Stock Dividend | $ 0.0500 fcx_AuthorizedQuarterlyRateOfCommonStockDividend | $ 0.3125 fcx_AuthorizedQuarterlyRateOfCommonStockDividend |
Dividends Payable, Date to be Paid | May 01, 2015 |  |
Dividends Payable, Date of Record | Apr. 15, 2015 |  |
Property, Plant, Equipment and Mining Development Costs, Net [Member] |  |  |
Capitalized Interest [Line Items] |  |  |
Interest costs capitalized | 45 us-gaap_InterestCostsCapitalized / us-gaap_BalanceSheetLocationAxis = us-gaap_PropertyPlantAndEquipmentMember |  | 40 us-gaap_InterestCostsCapitalized / us-gaap_BalanceSheetLocationAxis = us-gaap_PropertyPlantAndEquipmentMember
Oil and Gas Properties Not Subject to Amortization [Member] |  |  |
Capitalized Interest [Line Items] |  |  |
Interest costs capitalized | $ 19 us-gaap_InterestCostsCapitalized / us-gaap_BalanceSheetLocationAxis = us-gaap_OilAndGasPropertiesMember |  | $ 23 us-gaap_InterestCostsCapitalized / us-gaap_BalanceSheetLocationAxis = us-gaap_OilAndGasPropertiesMember

X
- Definition Authorized Quarterly Rate Of Common Stock Dividend + References No definition available. + Details
Name: | fcx_AuthorizedQuarterlyRateOfCommonStockDividend
Namespace Prefix: | fcx_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Date the declared dividend will be paid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
Name: | us-gaap_DividendPayableDateToBePaidDayMonthAndYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the dividend to be paid was declared, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
Name: | us-gaap_DividendsPayableDateDeclaredDayMonthAndYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_DividendsPayableDateOfRecordDayMonthAndYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
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
- Definition Total interest costs incurred during the period and either capitalized or charged against earnings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 + Details
Name: | us-gaap_InterestCostsIncurred
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OilAndGasPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_PropertyPlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |