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Earnings Per Share (Unaudited) (Tables) | 3 Months Ended
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Mar. 31, 2016
Earnings Per Share [Abstract] |
Reconciliation of net income and weighted-average shares of common stock outstanding | A reconciliation of net loss and weighted-average shares of common stock outstanding for purposes of calculating basic and diluted net loss per share follows (in millions, except per share amounts):
| Three Months Ended |
| March 31, |
| 2016 |  | 2015 |
Net loss | $ | (4,101 | ) |  | $ | (2,406 | ) |
Net income attributable to noncontrolling interests | (72 | ) |  | (58 | ) |
Preferred dividends on redeemable noncontrolling interest | (11 | ) |  | (10 | ) |
Undistributed earnings allocable to participating securities | (3 | ) |  | (3 | ) |
Net loss allocable to common stockholders | $ | (4,187 | ) |  | $ | (2,477 | ) |
Basic weighted-average shares of common stock outstanding | 1,251 |  |  | 1,040 |  |
Add shares issuable upon exercise or vesting of dilutive stock options and RSUs | — |  | a | — |  | a
Diluted weighted-average shares of common stock outstanding | 1,251 |  |  | 1,040 |  |
Basic and diluted net loss per share attributable to common stockholders | $ | (3.35 | ) |  | $ | (2.38 | ) |
a. | Excludes approximately 10 million shares of common stock for first-quarter 2016 and 14 million for first-quarter 2015 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.

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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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