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Earnings Per Share (Unaudited) | 3 Months Ended
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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-quarter 2014 and 29 million with a weighted-average exercise price of $41.35 per option for first-quarter 2013.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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