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Business Segments (Unaudited) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2014
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | $ 4,248 |  | $ 5,522 |  | $ 8,401 |  | $ 10,507 |  |
Intersegment |  | 0 |  | 0 |  | 0 |  | 0 |  |
Production and delivery |  | 2,848 |  | 3,082 |  | 5,760 |  | 5,819 |  |
Depreciation, depletion and amortization |  | 890 |  | 1,013 |  | 1,829 |  | 1,979 |  |
Impairment of oil and gas properties |  | 2,686 |  | 0 |  | 5,790 |  | 0 |  |
Selling, general and administrative expenses |  | 151 |  | 164 |  | 305 |  | 299 |  |
Mining exploration and research expenses |  | 36 |  | 34 |  | 69 |  | 64 |  |
Environmental obligations and shutdown costs |  | 11 |  | 76 |  | 24 |  | 82 |  |
Net gain on sale of assets |  | 0 |  | 0 |  | (39) |  | 0 |  |
Operating income (loss) |  | (2,374) |  | 1,153 |  | (5,337) |  | 2,264 |  |
Interest expense, net |  | 149 |  | 164 |  | 295 |  | 325 |  |
Provision for (benefit from) income taxes |  | (687) |  | 328 |  | (1,382) |  | 685 |  |
Total Assets |  | 54,008 |  | 63,903 |  | 54,008 |  | 63,903 |  | $ 58,674
Capital expenditures |  | 1,661 |  | 1,950 |  | 3,528 |  | 3,562 |  |
Lower of cost or market inventory adjustments |  | (59) |  |  |  | (63) |  | 0 |  |
Mining Operations [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 3,679 |  | 4,286 |  | 7,332 |  | 8,010 |  |
Intersegment |  | 0 |  | 0 |  | 0 |  | 0 |  |
Production and delivery |  | 2,565 |  | 2,754 |  | 5,191 |  | 5,180 |  |
Depreciation, depletion and amortization |  | 402 |  | 394 |  | 807 |  | 740 |  |
Impairment of oil and gas properties |  | 0 |  |  |  | 0 |  |  |  |
Selling, general and administrative expenses |  | 40 |  | 42 |  | 81 |  | 80 |  |
Mining exploration and research expenses |  | 36 |  | 34 |  | 69 |  | 64 |  |
Environmental obligations and shutdown costs |  | 11 |  | 76 |  | 24 |  | 82 |  |
Net gain on sale of assets |  |  |  |  |  | (39) |  |  |  |
Operating income (loss) |  | 625 |  | 986 |  | 1,199 |  | 1,864 |  |
Interest expense, net |  | 42 |  | 22 |  | 87 |  | 45 |  |
Provision for (benefit from) income taxes |  | 128 |  | 140 |  | 207 |  | 309 |  |
Total Assets |  | 38,434 |  | 37,491 |  | 38,434 |  | 37,491 |  |
Capital expenditures |  | 854 |  | 1,049 |  | 1,694 |  | 2,073 |  |
North America Copper Mines [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 272 |  | 107 |  | 493 |  | 191 |  |
Intersegment |  | 1,133 |  | 1,362 |  | 2,247 |  | 2,564 |  |
Production and delivery |  | 962 |  | 870 |  | 1,905 |  | 1,656 |  |
Depreciation, depletion and amortization |  | 139 |  | 128 |  | 272 |  | 235 |  |
Impairment of oil and gas properties |  | 0 |  |  |  | 0 |  |  |  |
Selling, general and administrative expenses |  | 2 |  | 1 |  | 3 |  | 2 |  |
Mining exploration and research expenses |  | 2 |  | 2 |  | 5 |  | 4 |  |
Environmental obligations and shutdown costs |  | 0 |  | 0 |  | 0 |  | 0 |  |
Net gain on sale of assets |  |  |  |  |  | (39) |  |  |  |
Operating income (loss) |  | 300 |  | 468 |  | 594 |  | 858 |  |
Interest expense, net |  | 1 |  | 1 |  | 2 |  | 2 |  |
Provision for (benefit from) income taxes |  | 0 |  | 0 |  | 0 |  | 0 |  |
Total Assets |  | 9,388 |  | 9,497 |  | 9,388 |  | 9,497 |  |
Capital expenditures |  | 107 |  | 324 |  | 214 |  | 627 |  |
Morenci [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 180 |  | 52 |  | 286 |  | 75 |  |
Intersegment |  | 427 |  | 474 |  | 877 |  | 918 |  |
Production and delivery |  | 386 |  | 312 |  | 760 |  | 595 |  |
Depreciation, depletion and amortization |  | 55 |  | 43 |  | 106 |  | 77 |  |
Impairment of oil and gas properties |  | 0 |  |  |  | 0 |  |  |  |
Selling, general and administrative expenses |  | 0 |  | 1 |  | 1 |  | 1 |  |
Mining exploration and research expenses |  | 0 |  | 0 |  | 0 |  | 0 |  |
Environmental obligations and shutdown costs |  | 0 |  | 0 |  | 0 |  | 0 |  |
Net gain on sale of assets |  |  |  |  |  | 0 |  |  |  |
Operating income (loss) |  | 166 |  | 170 |  | 296 |  | 320 |  |
Interest expense, net |  | 0 |  | 0 |  | 1 |  | 1 |  |
Provision for (benefit from) income taxes |  | 0 |  | 0 |  | 0 |  | 0 |  |
Total Assets |  | 3,806 |  | 3,675 |  | 3,806 |  | 3,675 |  |
Capital expenditures |  | 79 |  | 289 |  | 163 |  | 533 |  |
Other North America Copper Mines [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 92 |  | 55 |  | 207 |  | 116 |  |
Intersegment |  | 706 |  | 888 |  | 1,370 |  | 1,646 |  |
Production and delivery |  | 576 | [1] | 558 |  | 1,145 | [2] | 1,061 |  |
Depreciation, depletion and amortization |  | 84 |  | 85 |  | 166 |  | 158 |  |
Impairment of oil and gas properties |  | 0 |  |  |  | 0 |  |  |  |
Selling, general and administrative expenses |  | 2 |  | 0 |  | 2 |  | 1 |  |
Mining exploration and research expenses |  | 2 |  | 2 |  | 5 |  | 4 |  |
Environmental obligations and shutdown costs |  | 0 |  | 0 |  | 0 |  | 0 |  |
Net gain on sale of assets |  |  |  |  |  | (39) |  |  |  |
Operating income (loss) |  | 134 |  | 298 |  | 298 |  | 538 |  |
Interest expense, net |  | 1 |  | 1 |  | 1 |  | 1 |  |
Provision for (benefit from) income taxes |  | 0 |  | 0 |  | 0 |  | 0 |  |
Total Assets |  | 5,582 |  | 5,822 |  | 5,582 |  | 5,822 |  |
Capital expenditures |  | 28 |  | 35 |  | 51 |  | 94 |  |
Lower of cost or market inventory adjustments |  | (11) |  |  |  | (11) |  |  |  |
South America Mines [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 416 |  | 945 |  | 895 |  | 1,647 |  |
Intersegment |  | 37 |  | 86 |  | 44 |  | 282 |  |
Production and delivery |  | 315 |  | 530 |  | 660 |  | 1,006 |  |
Depreciation, depletion and amortization |  | 72 |  | 95 |  | 147 |  | 182 |  |
Impairment of oil and gas properties |  | 0 |  |  |  | 0 |  |  |  |
Selling, general and administrative expenses |  | 1 |  | 2 |  | 2 |  | 4 |  |
Mining exploration and research expenses |  | 0 |  | 0 |  | 0 |  | 0 |  |
Environmental obligations and shutdown costs |  | 0 |  | 0 |  | 0 |  | 0 |  |
Net gain on sale of assets |  |  |  |  |  | 0 |  |  |  |
Operating income (loss) |  | 65 |  | 404 |  | 130 |  | 737 |  |
Interest expense, net |  | 0 |  | 0 |  | 1 |  | 0 |  |
Provision for (benefit from) income taxes |  | 6 |  | 140 |  | 30 |  | 267 |  |
Total Assets |  | 10,502 |  | 10,667 |  | 10,502 |  | 10,667 |  |
Capital expenditures |  | 457 |  | 416 |  | 902 |  | 839 |  |
Cerro Verde [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 195 |  | 421 |  | 443 |  | 701 |  |
Intersegment |  | 37 |  | 23 |  | 51 |  | 87 |  |
Production and delivery |  | 165 |  | 195 |  | 363 |  | 360 |  |
Depreciation, depletion and amortization |  | 40 |  | 43 |  | 77 |  | 79 |  |
Impairment of oil and gas properties |  | 0 |  |  |  | 0 |  |  |  |
Selling, general and administrative expenses |  | 0 |  | 1 |  | 1 |  | 2 |  |
Mining exploration and research expenses |  | 0 |  | 0 |  | 0 |  | 0 |  |
Environmental obligations and shutdown costs |  | 0 |  | 0 |  | 0 |  | 0 |  |
Net gain on sale of assets |  |  |  |  |  | 0 |  |  |  |
Operating income (loss) |  | 27 |  | 205 |  | 53 |  | 347 |  |
Interest expense, net |  | 0 |  | 0 |  | 1 |  | 0 |  |
Provision for (benefit from) income taxes |  | (5) |  | 73 |  | 0 |  | 130 |  |
Total Assets |  | 8,567 |  | 6,876 |  | 8,567 |  | 6,876 |  |
Capital expenditures |  | 444 |  | 391 |  | 875 |  | 791 |  |
Other South America Mines [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 221 | [3] | 524 | [3] | 452 | [4] | 946 | [4] |
Intersegment |  | 0 | [3] | 63 | [3] | (7) | [4],[5] | 195 | [4] |
Production and delivery |  | 150 | [3] | 335 | [3] | 297 | [4] | 646 | [4] |
Depreciation, depletion and amortization |  | 32 | [3] | 52 | [3] | 70 | [4] | 103 | [4] |
Impairment of oil and gas properties |  | 0 | [3] |  |  | 0 | [4] |  |  |
Selling, general and administrative expenses |  | 1 | [3] | 1 | [3] | 1 | [4] | 2 | [4] |
Mining exploration and research expenses |  | 0 | [3] | 0 | [3] | 0 | [4] | 0 | [4] |
Environmental obligations and shutdown costs |  | 0 | [3] | 0 | [3] | 0 | [4] | 0 | [4] |
Net gain on sale of assets | [4] |  |  |  |  | 0 |  |  |  |
Operating income (loss) |  | 38 | [3] | 199 | [3] | 77 | [4] | 390 | [4] |
Interest expense, net |  | 0 | [3] | 0 | [3] | 0 | [4] | 0 | [4] |
Provision for (benefit from) income taxes |  | 11 | [3] | 67 | [3] | 30 | [4] | 137 | [4] |
Total Assets | [3] | 1,935 |  | 3,791 |  | 1,935 |  | 3,791 |  |
Capital expenditures |  | 13 | [3] | 25 | [3] | 27 | [4] | 48 | [4] |
Indonesia - Grasberg [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 792 | [6] | 523 | [6] | 1,413 | [7] | 985 | [7] |
Intersegment |  | (2) | [8] | 0 |  | (16) | [5] | 8 |  |
Production and delivery |  | 455 |  | 511 |  | 894 |  | 894 |  |
Depreciation, depletion and amortization |  | 78 |  | 54 |  | 148 |  | 102 |  |
Impairment of oil and gas properties |  | 0 |  |  |  | 0 |  |  |  |
Selling, general and administrative expenses |  | 25 |  | 25 |  | 50 |  | 46 |  |
Mining exploration and research expenses |  | 0 |  | 0 |  | 0 |  | 0 |  |
Environmental obligations and shutdown costs |  | 0 |  | 0 |  | 0 |  | 0 |  |
Net gain on sale of assets |  |  |  |  |  | 0 |  |  |  |
Operating income (loss) |  | 232 |  | (67) |  | 305 |  | (49) |  |
Interest expense, net |  | 0 |  | 0 |  | 0 |  | 0 |  |
Provision for (benefit from) income taxes |  | 95 |  | (33) |  | 124 |  | (15) |  |
Total Assets |  | 8,959 |  | 7,972 |  | 8,959 |  | 7,972 |  |
Capital expenditures |  | 213 |  | 243 |  | 438 |  | 479 |  |
Africa - Tenke [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 310 |  | 386 |  | 692 |  | 692 |  |
Intersegment |  | 41 |  | 32 |  | 69 |  | 53 |  |
Production and delivery |  | 190 |  | 198 |  | 425 |  | 350 |  |
Depreciation, depletion and amortization |  | 57 |  | 63 |  | 130 |  | 114 |  |
Impairment of oil and gas properties |  | 0 |  |  |  | 0 |  |  |  |
Selling, general and administrative expenses |  | 3 |  | 3 |  | 6 |  | 6 |  |
Mining exploration and research expenses |  | 0 |  | 0 |  | 0 |  | 0 |  |
Environmental obligations and shutdown costs |  | 0 |  | 0 |  | 0 |  | 0 |  |
Net gain on sale of assets |  |  |  |  |  | 0 |  |  |  |
Operating income (loss) |  | 101 |  | 154 |  | 200 |  | 275 |  |
Interest expense, net |  | 0 |  | 0 |  | 0 |  | 0 |  |
Provision for (benefit from) income taxes |  | 27 |  | 33 |  | 53 |  | 57 |  |
Total Assets |  | 5,125 |  | 4,952 |  | 5,125 |  | 4,952 |  |
Capital expenditures |  | 58 |  | 29 |  | 97 |  | 60 |  |
Molybdenum mines [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 0 |  | 0 |  | 0 |  | 0 |  |
Intersegment |  | 102 |  | 170 |  | 215 |  | 296 |  |
Production and delivery |  | 84 | [1] | 81 |  | 167 | [2] | 157 |  |
Depreciation, depletion and amortization |  | 25 |  | 24 |  | 51 |  | 46 |  |
Impairment of oil and gas properties |  | 0 |  |  |  | 0 |  |  |  |
Selling, general and administrative expenses |  | 0 |  | 0 |  | 0 |  | 0 |  |
Mining exploration and research expenses |  | 0 |  | 0 |  | 0 |  | 0 |  |
Environmental obligations and shutdown costs |  | 0 |  | 0 |  | 0 |  | 0 |  |
Net gain on sale of assets |  |  |  |  |  | 0 |  |  |  |
Operating income (loss) |  | (7) |  | 65 |  | (3) |  | 93 |  |
Interest expense, net |  | 0 |  | 0 |  | 0 |  | 0 |  |
Provision for (benefit from) income taxes |  | 0 |  | 0 |  | 0 |  | 0 |  |
Total Assets |  | 2,052 |  | 2,095 |  | 2,052 |  | 2,095 |  |
Capital expenditures |  | 4 |  | 14 |  | 7 |  | 33 |  |
Lower of cost or market inventory adjustments |  | (3) |  |  |  | (3) |  |  |  |
Rod & Refining [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 1,089 |  | 1,234 |  | 2,151 |  | 2,380 |  |
Intersegment |  | 8 |  | 8 |  | 15 |  | 16 |  |
Production and delivery |  | 1,088 |  | 1,233 |  | 2,151 |  | 2,381 |  |
Depreciation, depletion and amortization |  | 3 |  | 3 |  | 5 |  | 5 |  |
Impairment of oil and gas properties |  | 0 |  |  |  | 0 |  |  |  |
Selling, general and administrative expenses |  | 0 |  | 0 |  | 0 |  | 0 |  |
Mining exploration and research expenses |  | 0 |  | 0 |  | 0 |  | 0 |  |
Environmental obligations and shutdown costs |  | 0 |  | 0 |  | 0 |  | 0 |  |
Net gain on sale of assets |  |  |  |  |  | 0 |  |  |  |
Operating income (loss) |  | 6 |  | 6 |  | 10 |  | 10 |  |
Interest expense, net |  | 0 |  | 0 |  | 0 |  | 0 |  |
Provision for (benefit from) income taxes |  | 0 |  | 0 |  | 0 |  | 0 |  |
Total Assets |  | 286 |  | 299 |  | 286 |  | 299 |  |
Capital expenditures |  | 0 |  | 1 |  | 1 |  | 2 |  |
Atlantic Copper Smelting & Refining [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 495 |  | 623 |  | 1,035 |  | 1,211 |  |
Intersegment |  | 5 |  | 6 |  | 11 |  | 11 |  |
Production and delivery |  | 468 |  | 618 |  | 987 |  | 1,206 |  |
Depreciation, depletion and amortization |  | 9 |  | 10 |  | 19 |  | 20 |  |
Impairment of oil and gas properties |  | 0 |  |  |  | 0 |  |  |  |
Selling, general and administrative expenses |  | 4 |  | 5 |  | 9 |  | 9 |  |
Mining exploration and research expenses |  | 0 |  | 0 |  | 0 |  | 0 |  |
Environmental obligations and shutdown costs |  | 0 |  | 0 |  | 0 |  | 0 |  |
Net gain on sale of assets |  |  |  |  |  | 0 |  |  |  |
Operating income (loss) |  | 19 |  | (4) |  | 31 |  | (13) |  |
Interest expense, net |  | 2 |  | 3 |  | 5 |  | 7 |  |
Provision for (benefit from) income taxes |  | 0 |  | 0 |  | 0 |  | 0 |  |
Total Assets |  | 786 |  | 882 |  | 786 |  | 882 |  |
Capital expenditures |  | 4 |  | 5 |  | 8 |  | 6 |  |
Other Mining & Eliminations [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers | [9] | 305 |  | 468 |  | 653 |  | 904 |  |
Intersegment |  | (1,324) |  | (1,664) |  | (2,585) |  | (3,230) |  |
Production and delivery |  | (997) | [1] | (1,287) |  | (1,998) | [2] | (2,470) |  |
Depreciation, depletion and amortization |  | 19 |  | 17 |  | 35 |  | 36 |  |
Impairment of oil and gas properties |  | 0 |  |  |  | 0 |  |  |  |
Selling, general and administrative expenses |  | 5 |  | 6 |  | 11 |  | 13 |  |
Mining exploration and research expenses |  | 34 |  | 32 |  | 64 |  | 60 |  |
Environmental obligations and shutdown costs |  | 11 |  | 76 |  | 24 |  | 82 |  |
Net gain on sale of assets |  |  |  |  |  | 0 |  |  |  |
Operating income (loss) |  | (91) |  | (40) |  | (68) |  | (47) |  |
Interest expense, net |  | 39 |  | 18 |  | 79 |  | 36 |  |
Provision for (benefit from) income taxes |  | 0 |  | 0 |  | 0 |  | 0 |  |
Total Assets |  | 1,336 |  | 1,127 |  | 1,336 |  | 1,127 |  |
Capital expenditures |  | 11 |  | 17 |  | 27 |  | 27 |  |
Lower of cost or market inventory adjustments |  | (45) |  |  |  | (49) |  |  |  |
U.S. Oil & Gas Operations [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 569 | [10],[11] | 1,236 | [10],[11] | 1,069 | [12],[13] | 2,497 | [12],[13] |
Intersegment |  | 0 | [11] | 0 | [11] | 0 | [13] | 0 | [13] |
Production and delivery |  | 281 | [11] | 329 | [11] | 564 | [13] | 640 | [13] |
Depreciation, depletion and amortization |  | 485 | [11] | 616 | [11] | 1,015 | [13] | 1,232 | [13] |
Impairment of oil and gas properties |  | 2,686 | [11] |  |  | 5,790 | [13] |  |  |
Selling, general and administrative expenses |  | 49 | [11] | 59 | [11] | 103 | [13] | 116 | [13] |
Mining exploration and research expenses |  | 0 | [11] | 0 | [11] | 0 | [13] | 0 | [13] |
Environmental obligations and shutdown costs |  | 0 | [11] | 0 | [11] | 0 | [13] | 0 | [13] |
Net gain on sale of assets | [13] |  |  |  |  | 0 |  |  |  |
Operating income (loss) |  | (2,932) | [11] | 232 | [11] | (6,403) | [13] | 509 | [13] |
Interest expense, net |  | 41 | [11] | 74 | [11] | 78 | [13] | 150 | [13] |
Provision for (benefit from) income taxes |  | 0 | [11] | 0 | [11] | 0 | [13] | 0 | [13] |
Total Assets | [11] | 15,393 |  | 25,293 |  | 15,393 |  | 25,293 |  |
Capital expenditures |  | 777 | [11] | 903 | [11] | 1,795 | [13] | 1,484 | [13] |
Corporate, Other & Eliminations [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 0 |  | 0 |  | 0 |  | 0 |  |
Intersegment |  | 0 |  | 0 |  | 0 |  | 0 |  |
Production and delivery |  | 2 |  | (1) |  | 5 |  | (1) |  |
Depreciation, depletion and amortization |  | 3 |  | 3 |  | 7 |  | 7 |  |
Impairment of oil and gas properties |  | 0 |  |  |  | 0 |  |  |  |
Selling, general and administrative expenses |  | 62 |  | 63 |  | 121 |  | 103 |  |
Mining exploration and research expenses |  | 0 |  | 0 |  | 0 |  | 0 |  |
Environmental obligations and shutdown costs |  | 0 |  | 0 |  | 0 |  | 0 |  |
Net gain on sale of assets |  |  |  |  |  | 0 |  |  |  |
Operating income (loss) |  | (67) |  | (65) |  | (133) |  | (109) |  |
Interest expense, net |  | 66 |  | 68 |  | 130 |  | 130 |  |
Provision for (benefit from) income taxes |  | (815) |  | 188 |  | (1,589) |  | 376 |  |
Total Assets |  | 181 |  | 1,119 |  | 181 |  | 1,119 |  |
Capital expenditures |  | 30 |  | (2) |  | 39 |  | 5 |  |
Crude oil and natural gas swaps [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Net mark-to-market gains (losses) on derivative contracts |  | 6 |  | (70) |  | $ 58 |  | (120) |  |
Pt Smelting [Member] |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Deferred Intercompany Profit, Percentage |  |  |  |  |  | 25.00% |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Revenues |  | $ 293 |  | $ 540 |  | $ 643 |  | $ 913 |  |
Equity Method Investment, Ownership Percentage |  | 25.00% |  |  |  | 25.00% |  |  |  |
[1] | Includes LCM inventory adjustments totaling $11 million at other North America copper mines, $3 million at Molybdenum mines and $45 million at other mining & eliminations (see Note 4).
[2] | Includes LCM inventory adjustments totaling $11 million at other North America copper mines, $3 million at Molybdenum mines and $49 million at other mining & eliminations (see Note 4).
[3] | Second-quarter 2014 includes the results of the Candelaria and Ojos del Salado mining operations, which were sold in November 2014.
[4] | The first six months of 2014 include the results of the Candelaria and Ojos del Salado mining operations, which were sold in November 2014.
[5] | Amounts include net reductions for provisional pricing adjustments to prior period open sales. There were no intersegment sales from El Abra or Grasberg for the first six months of 2015.
[6] | Includes PT-FI’s sales to PT Smelting totaling $293 million in second-quarter 2015 and $540 million in second-quarter 2014.
[7] | Includes PT-FI’s sales to PT Smelting totaling $643 million for the first six months of 2015 and $913 million for the first six months of 2014.
[8] | Amounts include net reductions for provisional pricing adjustments to prior period open sales. There were no intersegment sales from Grasberg in second-quarter 2015.
[9] | Includes revenues from FCX's molybdenum sales company, which includes sales of molybdenum produced by the Molybdenum mines and by certain of the North and South America copper mines.
[10] | Includes net mark-to-market gains (losses) associated with crude oil and natural gas derivative contracts totaling $6 million in second-quarter 2015 and $(70) million in second-quarter 2014.
[11] | Second-quarter 2014 includes the results from Eagle Ford, which was sold in June 2014.
[12] | Includes net mark-to-market gains (losses) associated with crude oil and natural gas derivative contracts totaling $58 million for the first six months 2015 and $(120) million for the first six months of 2014.
[13] | The first six months of 2014 include the results from Eagle Ford, which was sold in June 2014.

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