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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2017
Accounting Policies [Abstract] |
Schedule of diluted earnings per share | Reconciliations of net income (loss) and weighted-average shares of common stock outstanding for purposes of calculating basic and diluted net income (loss) per share for the years ended December 31 follow:
| 2017 |  | 2016 |  | 2015 |
Net income (loss) from continuing operations | $ | 2,029 |  |  | $ | (3,832 | ) |  | $ | (12,180 | ) |
Net income from continuing operations attributable to noncontrolling interests | (274 | ) |  | (227 | ) |  | (27 | ) |
Gain on redemption and preferred dividends attributable to redeemable noncontrolling interest | — |  |  | 161 |  |  | (41 | ) |
Accumulated dividends and undistributed earnings allocated to participating securities | (4 | ) |  | (3 | ) |  | (3 | ) |
Net income (loss) from continuing operations attributable to common stockholders | $ | 1,751 |  |  | $ | (3,901 | ) |  | $ | (12,251 | ) |
Net income (loss) from discontinued operations | 66 |  |  | (193 | ) |  | 91 |  |
Net income from discontinued operations attributable to noncontrolling interests | (4 | ) |  | (63 | ) |  | (79 | ) |
Net income (loss) from discontinued operations attributable to common stockholders | $ | 62 |  |  | $ | (256 | ) |  | $ | 12 |  |
Net income (loss) attributable to common stockholders | $ | 1,813 |  |  | $ | (4,157 | ) |  | $ | (12,239 | ) |
Basic weighted-average shares of common stock outstanding (millions) | 1,447 |  |  | 1,318 |  |  | 1,082 |  |
Add shares issuable upon exercise or vesting of dilutive stock options and RSUs (millions) | 7 |  |  | — |  | a | — |  | a
Diluted weighted-average shares of common stock outstanding (millions) | 1,454 |  |  | 1,318 |  |  | 1,082 |  |
Basic and diluted net income (loss) per share attributable to common stockholders: |  |  |  |  |  |
Continuing operations | $ | 1.21 |  |  | $ | (2.96 | ) |  | $ | (11.32 | ) |
Discontinued operations | 0.04 |  |  | (0.20 | ) |  | 0.01 |  |
| $ | 1.25 |  |  | $ | (3.16 | ) |  | $ | (11.31 | ) |
a. | Excludes approximately 12 million in 2016 and 9 million in 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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