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Earnings per Share (Unaudited) Earnings per Share (Notes) | 3 Months Ended
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Mar. 31, 2017
Earnings Per Share [Abstract] |
Earnings Per Share | EARNINGS PER SHARE FCX calculates its basic net income (loss) per share of common stock under the two-class method and calculates its diluted net income (loss) per share of common stock using the more dilutive of the two-class method or the treasury-stock method. Basic net income (loss) per share of common stock was computed by dividing net income (loss) attributable to common stockholders (after deducting accumulated dividends and undistributed earnings to participating securities) by the weighted-average shares of common stock outstanding during the period. Diluted net income (loss) per share of common stock was calculated by including the basic weighted-average shares of common stock outstanding adjusted for the effects of all potential dilutive shares of common stock, unless their effect would be anti-dilutive. A reconciliation of net income (loss) and weighted-average shares of common stock outstanding for purposes of calculating basic and diluted net income (loss) per share follows (in millions, except per share amounts):
|  | Three Months Ended |
|  | March 31, |
|  | 2017 |  | 2016 |
Net income (loss) from continuing operations |  | $ | 268 |  |  | $ | (4,097 | ) |
Net income from continuing operations attributable to noncontrolling interests |  | (75 | ) |  | (62 | ) |
Preferred dividends on redeemable noncontrolling interest |  | — |  |  | (11 | ) |
Undistributed earnings allocated to participating securities |  | (3 | ) |  | (3 | ) |
Net income (loss) from continuing operations attributable to common stockholders |  | $ | 190 |  |  | $ | (4,173 | ) |
Net income (loss) from discontinued operations |  | $ | 38 |  |  | $ | (4 | ) |
Net income from discontinued operations attributable to noncontrolling interests |  | (3 | ) |  | (10 | ) |
Net income (loss) from discontinued operations attributable to common stockholders |  | $ | 35 |  |  | $ | (14 | ) |
Net income (loss) attributable to common stockholders |  | $ | 225 |  |  | $ | (4,187 | ) |
Basic weighted-average shares of common stock outstanding |  | 1,446 |  |  | 1,251 |  |
Add shares issuable upon exercise or vesting of dilutive stock options and restricted stock units |  | 8 |  |  | — |  | a
Diluted weighted-average shares of common stock outstanding |  | 1,454 |  |  | 1,251 |  |
Basic and diluted net income (loss) per share attributable to common stockholders: |  |  |  |  |
Continuing operations |  | $ | 0.13 |  |  | $ | (3.34 | ) |
Discontinued operations |  | 0.03 |  |  | (0.01 | ) |
|  | $ | 0.16 |  |  | $ | (3.35 | ) |
a. | Excludes 10 million shares associated with outstanding stock options with exercise prices less than the average market price of FCX’s common stock and restricted stock units that were anti-dilutive.
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 (loss) per share of common stock. Stock options for 44 million shares of common stock were excluded for first-quarter 2017 and 47 million for first-quarter 2016.

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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 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1278-109256 Reference 2: 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 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=64863997&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=65016374&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=63488584&loc=d3e20235-122688 + Details
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