XML 106 R31.htm IDEA: XBRL DOCUMENT
v2.4.1.9

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
Accounting Policies [Abstract] |
Schedule of diluted earnings per share | A reconciliation of net income and weighted-average shares of common stock outstanding for purposes of calculating basic and diluted net income per share for the years ended December 31 follows :
| 2014 |  | 2013 |  | 2012 |
Net (loss) income | $ | (745 | ) |  | $ | 3,441 |  |  | $ | 3,980 |  |
Net income attributable to noncontrolling interests | (523 | ) |  | (761 | ) |  | (939 | ) |
Preferred dividends on redeemable noncontrolling interest | (40 | ) |  | (22 | ) |  | — |  |
Undistributed earnings allocable to participating securities | (3 | ) |  | — |  |  | — |  |
Net (loss) income allocable to FCX common stockholders | $ | (1,311 | ) |  | $ | 2,658 |  |  | $ | 3,041 |  |
Basic weighted-average shares of common stock outstanding (millions) | 1,039 |  |  | 1,002 |  |  | 949 |  |
Add shares issuable upon exercise or vesting of dilutive stock options and RSUs (millions) | — |  | a | 4 |  | a | 5 |  | a
Diluted weighted-average shares of common stock outstanding (millions) | 1,039 |  |  | 1,006 |  |  | 954 |  |
Basic net (loss) income per share attributable to FCX common stockholders | $ | (1.26 | ) |  | $ | 2.65 |  |  | $ | 3.20 |  |
Diluted net (loss) income per share attributable to FCX common stockholders | $ | (1.26 | ) |  | $ | 2.64 |  |  | $ | 3.19 |  |
a. | Excludes shares of common stock associated with outstanding stock options with exercise prices less than the average market price of FCX's common stock and RSUs that were anti-dilutive, with related amounts totaling approximately ten million for the year ended December 31, 2014, and one million for the years ended December 31, 2013 and 2012.

X
- Definition This element may be used to capture the complete disclosure pertaining to an entity's diluted earnings per share calculation. + References No definition available. + Details
Name: | fcx_ScheduleOfDilutedEarningsPerShareTextBlock
Namespace Prefix: | fcx_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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