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STOCKHOLDERS' EQUITY AND STOCK-BASED COMPENSATION (Tables) | 12 Months Ended
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Dec. 31, 2014
Stockholders' Equity Note [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | A summary of changes in the balances of each component of accumulated other comprehensive loss, net of tax follows:
| Unrealized Losses on Securities |  | Translation Adjustment |  | Defined Benefit Plans |  | Total
Balance at January 1, 2012 | $ | (4 | ) |  | $ | 6 |  |  | $ | (467 | ) |  | $ | (465 | )
Amounts arising during the period a,b,c,d | — |  |  | (1 | ) |  | (66 | ) |  | (67 | )
Amounts reclassified e | — |  |  | — |  |  | 26 |  |  | 26 |
Balance at December 31, 2012 | (4 | ) |  | 5 |  |  | (507 | ) |  | (506 | )
Amounts arising during the period a,b,c | (1 | ) |  | — |  |  | 67 |  |  | 66 |
Amounts reclassified e | — |  |  | 5 |  |  | 30 |  |  | 35 |
Balance at December 31, 2013 | (5 | ) |  | 10 |  |  | (410 | ) |  | (405 | )
Amounts arising during the period a,b,c,d | (1 | ) |  | — |  |  | (162 | ) |  | (163 | )
Amounts reclassified e | — |  |  | — |  |  | 24 |  |  | 24 |
Balance at December 31, 2014 | $ | (6 | ) |  | $ | 10 |  |  | $ | (548 | ) |  | $ | (544 | )
a. | Includes net actuarial (losses) gains, net of noncontrolling interest, totaling $(106) million for 2012, $126 million for 2013 and $(252) million for 2014. The year 2013 also included $33 million for prior service costs.
b. | Includes foreign exchange gains (losses), net of noncontrolling interest, totaling $3 million for 2012, $11 million for 2013 and $1 million for 2014.
c. | Includes tax benefits (provision) totaling $39 million for 2012, $(37) million for 2013 and $94 million for 2014.
d. | Includes adjustments to deferred tax valuation allowance of $1 million for 2012 and $5 million for 2014.
e. | Includes amortization primarily related to actuarial losses that were net of taxes of $15 million for 2012, $17 million for 2013 and $14 million for 2014.
Compensation costs charged against earnings | Compensation cost charged against earnings for stock-based awards for the years ended December 31 follows:
|  | 2014 |  | 2013 |  | 2012
Selling, general and administrative expenses |  | $ | 79 |  |  | $ | 145 |  |  | $ | 77 |
Production and delivery |  | 28 |  |  | 28 |  |  | 23 |
Capitalized costs |  | 23 |  |  | 13 |  |  | — |
Total stock-based compensation |  | 130 |  |  | 186 |  |  | 100 |
Less: capitalized costs |  | (23 | ) |  | (13 | ) |  | — |
Tax benefit and noncontrolling interests' share |  | (42 | ) |  | (66 | ) |  | (39 | )
Impact on net income |  | $ | 65 |  |  | $ | 107 |  |  | $ | 61 |
Summary of stock options and SARs outstanding and changes during the period | A summary of options and SARs outstanding as of December 31, 2014, including 1,413,153 SARs, and activity during the year ended December 31, 2014, follows:
| Number of Options and SARs |  | Weighted- Average Exercise Price Per Share |  | Weighted- Average Remaining Contractual Term (years) |  | Aggregate Intrinsic Value
Balance at January 1 | 45,130,661 |  |  | $ | 35.39 |  |  |  |  |
Granted | 3,276,000 |  |  | 31.01 |  |  |  |  |
Exercised | (1,950,130 | ) |  | 21.23 |  |  |  |  |
Expired/Forfeited | (526,792 | ) |  | 37.51 |  |  |  |  |
Balance at December 31 | 45,929,739 |  |  | 35.65 |  |  | 5.1 |  | $ | 38 |
Vested and exercisable at December 31 | 35,062,748 |  |  | $ | 35.15 |  |  | 4.2 |  | $ | 38 |
Weighted average assumptions used to value stock option awards | Information related to stock options during the years ended December 31 follows:
| 2014 |  | 2013 |  | 2012
Weighted-average assumptions used to value stock option awards: |  |  |  |  |
Expected volatility | 36.6 | % |  | 48.9 | % |  | 52.0 | %
Expected life of options (in years) | 4.92 |  |  | 4.66 |  |  | 4.54 |
Expected dividend rate | 3.5 | % |  | 3.3 | % |  | 3.1 | %
Risk-free interest rate | 1.7 | % |  | 0.7 | % |  | 0.7 | %
Weighted-average grant date fair value (per share) | $ | 7.43 |  |  | $ | 10.98 |  |  | $ | 15.60 |
Intrinsic value of options exercised | $ | 17 |  |  | $ | 10 |  |  | $ | 34 |
Fair value of options vested | $ | 76 |  |  | $ | 101 |  |  | $ | 77 |
Summary Of Outstanding Restricted Stock Units | A summary of outstanding stock-settled PSUs and RSUs as of December 31, 2014, and activity during the year ended December 31, 2014, follows:
| Number of Awards |  | Weighted-Average Grant-Date Fair Value |  | Weighted- Average Remaining Contractual Term (years) |  | Aggregate Intrinsic Value
Balance at January 1 | 4,255,476 |  |  | $ | 35.13 |  |  |  |  |
Granted | 2,161,700 |  |  | 31.17 |  |  |  |  |
Vested | (436,610 | ) |  | 37.93 |  |  |  |  |
Forfeited | (175,421 | ) |  | 31.46 |  |  |  |  |
Balance at December 31 | 5,805,145 |  |  | 33.57 |  |  | 4.7 |  | $ | 128 |
Summary of Outstanding Cash Settled Restricted Stock Units | A summary of outstanding cash-settled RSUs as of December 31, 2014, and activity during the year ended December 31, 2014, follows:
| Number of Cash-Settled RSUs |  | Weighted-Average Grant-Date Fair Value |  | Weighted- Average Remaining Contractual Term (years) |  | Aggregate Intrinsic Value
Balance at January 1 | 2,219,812 |  |  | $ | 31.05 |  |  |  |  |
Granted | 2,204,986 |  |  | 30.95 |  |  |  |  |
Vested | (544,048 | ) |  | 31.05 |  |  |  |  |
Forfeited | (293,186 | ) |  | 31.01 |  |  |  |  |
Balance at December 31 | 3,587,564 |  |  | 30.99 |  |  | 1.3 |  | $ | 84 |
Schedule of amounts related to exercises of stock options and stock appreciation rights and the vesting of restricted stock units and restricted stock awards | The following table includes amounts related to exercises of stock options and vesting of RSUs during the years ended December 31:
| 2014 |  | 2013 |  | 2012
FCX shares tendered to pay the exercise price |  |  |  |  |
and/or the minimum required taxes a | 474,480 |  |  | 3,294,624 |  |  | 515,558 |
Cash received from stock option exercises | $ | 12 |  |  | $ | 8 |  |  | $ | 15 |
Actual tax benefit realized for tax deductions | $ | 16 |  |  | $ | 8 |  |  | $ | 16 |
Amounts FCX paid for employee taxes | $ | 8 |  |  | $ | 105 |  |  | $ | 16 |
a. | Under terms of the related plans, upon exercise of stock options and vesting of RSUs, employees may tender existing FCX shares to FCX to pay the exercise price and/or the minimum required taxes.

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