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Earnings per Share (Unaudited) Earnings per Share (Notes) | 6 Months Ended
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Jun. 30, 2022
Earnings Per Share [Abstract] |
Earnings Per Share | EARNINGS PER SHARE FCX calculates its basic net income per share of common stock under the two-class method and calculates its diluted net income per share of common stock using the more dilutive of the two-class method or the treasury-stock method. Basic net income per share of common stock was computed by dividing net income 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 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 antidilutive. Reconciliations of net income and weighted-average shares of common stock outstanding for purposes of calculating basic and diluted net income per share follow (in millions, except per share amounts):
| Three Months Ended |  | Six Months Ended |
| June 30, |  | June 30, |
| 2022 |  | 2021 |  | 2022 |  | 2021 |
Net income | $ | 1,038 |  |  | $ | 1,331 |  |  | $ | 2,942 |  |  | $ | 2,284 |  |
Net income attributable to noncontrolling interests | (198) |  |  | (248) |  |  | (575) |  |  | (483) |  |
Undistributed dividends and earnings allocated to participating securities | (4) |  |  | (4) |  |  | (5) |  |  | (4) |  |
Net income attributable to common stockholders | $ | 836 |  |  | $ | 1,079 |  |  | $ | 2,362 |  |  | $ | 1,797 |  |
Basic weighted-average shares of common stock outstanding | 1,447 |  |  | 1,467 |  |  | 1,451 |  |  | 1,465 |  |
Add shares issuable upon exercise or vesting of dilutive stock options and restricted stock units (RSUs) | 10 |  |  | 16 |  |  | 12 |  |  | 15 |  |
Diluted weighted-average shares of common stock outstanding | 1,457 |  |  | 1,483 |  |  | 1,463 |  |  | 1,480 |  |
Basic net income per share attributable to common stockholders | $ | 0.58 |  |  | $ | 0.74 |  |  | $ | 1.63 |  |  | $ | 1.23 |  |
Diluted net income per share attributable to common stockholders | $ | 0.57 |  |  | $ | 0.73 |  |  | $ | 1.61 |  |  | $ | 1.21 |  |
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. There were no shares of common stock excluded in second-quarter 2022. Excluded shares of common stock totaled 4 million shares in second-quarter 2021, 1 million shares for the first six months of 2022 and 7 million shares for the first six months of 2021.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257 + Details
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