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Earnings per Share (Unaudited) Earnings per Share (Tables) | 3 Months Ended
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Mar. 31, 2017
Earnings Per Share [Abstract] |
Reconciliation of net income (loss) and weighted-average shares of common stock outstanding | 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.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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