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STOCKHOLDERS' EQUITY AND STOCK-BASED COMPENSATION (Tables) | 12 Months Ended
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Dec. 31, 2013
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 follows:
| Unrealized Losses on Securities |  | Translation Adjustment |  | Defined Benefit Plans |  | Deferred Tax Valuation Allowance |  | Total
Balance at January 1, 2011 | $ | (3 | ) |  | $ | 8 |  |  | $ | (269 | ) |  | $ | (59 | ) |  | $ | (323 | )
Amounts arising during the period a,b | (1 | ) |  | (2 | ) |  | (134 | ) |  | (20 | ) |  | (157 | )
Amounts reclassified c | — |  |  | — |  |  | 15 |  |  | — |  |  | 15 |
Balance at December 31, 2011 | (4 | ) |  | 6 |  |  | (388 | ) |  | (79 | ) |  | (465 | )
Amounts arising during the period a,b | — |  |  | (1 | ) |  | (65 | ) |  | (1 | ) |  | (67 | )
Amounts reclassified c | — |  |  | — |  |  | 26 |  |  | — |  |  | 26 |
Balance at December 31, 2012 | (4 | ) |  | 5 |  |  | (427 | ) |  | (80 | ) |  | (506 | )
Amounts arising during the period a,b | (1 | ) |  | — |  |  | 67 |  |  | — |  |  | 66 |
Amounts reclassified c | — |  |  | 5 |  |  | 30 |  |  | — |  |  | 35 |
Balance at December 31, 2013 | $ | (5 | ) |  | $ | 10 |  |  | $ | (330 | ) |  | $ | (80 | ) |  | $ | (405 | )
a. | Included net actuarial gains (losses), net of noncontrolling interest, totaling $(215) million for 2011, $(103) million for 2012 and $137 million for 2013. The year 2013 also included $33 million for prior service costs.
b. | Included tax benefits (provision) totaling $81 million for 2011, $39 million for 2012 and $(37) million for 2013.
c. | Included amortization primarily related to actuarial losses that were net of taxes of $8 million for 2011, $15 million for 2012 and $17 million for 2013.
Compensation costs charged against earnings | Compensation cost charged against earnings for stock-based awards for the years ended December 31 follows:
|  | 2013 |  | 2012 |  | 2011
Selling, general and administrative expenses |  | $ | 145 |  |  | $ | 77 |  |  | $ | 90 |
Production and delivery |  | 28 |  |  | 23 |  |  | 25 |
Capitalized costs |  | 13 |  |  | — |  |  | — |
Total stock-based compensation |  | 186 |  |  | 100 |  |  | 115 |
Less: capitalized costs |  | (13 | ) |  | — |  |  | — |
Tax benefit and noncontrolling interests' shares |  | (66 | ) |  | (39 | ) |  | (46 | )
Impact on net income |  | $ | 107 |  |  | $ | 61 |  |  | $ | 69 |
Summary of stock options and SARs outstanding and changes during the period | A summary of options and SARs outstanding as of December 31, 2013, including 1,927,037 SARs, and changes during the year ended December 31, 2013, follows:
| Number of Options and SARs |  | Weighted- Average Exercise Price |  | Weighted- Average Remaining Contractual Term (years) |  | Aggregate Intrinsic Value
Balance at January 1 | 31,472,559 |  |  | $ | 37.40 |  |  |  |  |
Conversion of MMR options | 7,203,392 |  |  | 27.64 |  |  |  |  |
Conversion of PXP SARs | 2,374,601 |  |  | 27.34 |  |  |  |  |
Granted | 5,479,930 |  |  | 35.00 |  |  |  |  |
Exercised | (976,220 | ) |  | 18.77 |  |  |  |  |
Expired/Forfeited | (423,601 | ) |  | 41.83 |  |  |  |  |
Balance at December 31 | 45,130,661 |  |  | 35.39 |  |  | 5.6 |  | $ | 239 |
Vested and exercisable at December 31 | 31,748,346 |  |  | $ | 33.40 |  |  | 4.7 |  | $ | 210 |
Summaries of options and SARs outstanding and changes during the years ended December 31 follow:
| 2012 |  | 2011
| Number of Options and SARs |  | Weighted- Average Exercise Price |  | Number of Options and SARs |  | Weighted- Average Exercise Price
Balance at January 1 | 27,967,145 |  |  | $ | 34.90 |  |  | 26,930,444 |  |  | $ | 30.22 |
Granted | 5,050,500 |  |  | 46.32 |  |  | 4,230,500 |  |  | 55.43 |
Exercised | (1,300,273 | ) |  | 16.68 |  |  | (3,044,174 | ) |  | 21.88 |
Expired/Forfeited | (244,813 | ) |  | 45.23 |  |  | (149,625 | ) |  | 37.61 |
Balance at December 31 | 31,472,559 |  | a | 37.40 |  |  | 27,967,145 |  | a | 34.90 |
a. | Included 39,336 SARs at December 31, 2012, and 69,672 SARs at December 31, 2011.
Weighted average assumptions used to value stock option awards | Information related to stock options during the years ended December 31 follows:
| 2013 |  | 2012 |  | 2011
Weighted-average assumptions used to value stock option awards: |  |  |  |  |
Expected volatility | 48.9 | % |  | 52.0 | % |  | 50.9 | %
Expected life of options (in years) | 4.66 |  |  | 4.54 |  |  | 4.34 |
Expected dividend rate | 3.3 | % |  | 3.1 | % |  | 1.8 | %
Risk-free interest rate | 0.7 | % |  | 0.7 | % |  | 1.6 | %
Weighted-average grant date fair value (per share) | $ | 10.98 |  |  | $ | 15.60 |  |  | $ | 20.58 |
Intrinsic value of options exercised | $ | 10 |  |  | $ | 34 |  |  | $ | 101 |
Fair value of options vested | $ | 101 |  |  | $ | 77 |  |  | $ | 89 |
Summary Of Outstanding Restricted Stock Units | A summary of outstanding stock-settled RSUs as of December 31, 2013, and activity during the year ended December 31, 2013, follows:
| Number of Stock-Settled RSUs |  | Weighted-Average Grant-Date Fair Value |  | Weighted- Average Remaining Contractual Term (years) |  | Aggregate Intrinsic Value
Balance at January 1 | 889,698 |  |  | $ | 44.35 |  |  |  |  |
Granted | 2,492,600 |  |  | 34.84 |  |  |  |  |
Conversion of PXP and MMR RSUs | 1,252,185 |  |  | 31.05 |  |  |  |  |
Vested | (356,275 | ) |  | 41.96 |  |  |  |  |
Forfeited | (22,732 | ) |  | 31.92 |  |  |  |  |
Balance at December 31 | 4,255,476 |  |  | 35.13 |  |  | 4.1 |  | $ | 161 |
Summary of Outstanding Cash Settled Restricted Stock Units | A summary of outstanding cash-settled RSUs as of December 31, 2013, and activity from June 1, 2013, to December 31, 2013, follows:
| Number of Cash-Settled RSUs |  | Weighted-Average Grant-Date Fair Value |  | Weighted- Average Remaining Contractual Term (years) |  | Aggregate Intrinsic Value
Conversion of PXP RSUs | 2,259,708 |  |  | $ | 31.05 |  |  |  |  |
Granted | 1,430 |  |  | 32.94 |  |  |  |  |
Vested | (1,430 | ) |  | 31.05 |  |  |  |  |
Forfeited | (39,896 | ) |  | 31.05 |  |  |  |  |
Balance at December 31 | 2,219,812 |  |  | 31.05 |  |  | 1.9 |  | $ | 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:
| 2013 |  | 2012 |  | 2011
FCX shares tendered to pay the exercise price |  |  |  |  |
and/or the minimum required taxes a | 3,294,624 |  |  | 515,558 |  |  | 936,811 |
Cash received from stock option exercises | $ | 8 |  |  | $ | 15 |  |  | $ | 48 |
Actual tax benefit realized for tax deductions | $ | 8 |  |  | $ | 16 |  |  | $ | 45 |
Amounts FCX paid for employee taxes | $ | 105 |  |  | $ | 16 |  |  | $ | 45 |
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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