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Business Segments (Unaudited) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014 | Dec. 31, 2014
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | $ 3,681 |  | $ 5,696 |  | $ 12,082 |  | $ 16,203 |  |
Intersegment |  | 0 |  | 0 |  | 0 |  | 0 |  |
Production and delivery |  | 2,893 |  | 3,152 |  | 8,653 |  | 8,971 |  |
Depreciation, depletion and amortization |  | 888 |  | 945 |  | 2,717 |  | 2,924 |  |
Impairment of oil and gas properties |  | 3,652 |  | 308 |  | 9,442 |  | 308 |  |
Selling, general and administrative expenses |  | 124 |  | 158 |  | 429 |  | 457 |  |
Mining exploration and research expenses |  | 32 |  | 29 |  | 101 |  | 93 |  |
Environmental obligations and shutdown costs |  | 37 |  | 18 |  | 61 |  | 100 |  |
Net gain on sales of assets |  | 0 |  | (46) |  | (39) |  | (46) |  |
Operating income (loss) |  | (3,945) |  | 1,132 |  | (9,282) |  | 3,396 |  |
Interest expense, net |  | 163 |  | 158 |  | 458 |  | 483 |  |
Provision for (benefit from) income taxes |  | (360) |  | 349 |  | (1,742) |  | 1,034 |  |
Total Assets |  | 50,383 |  | 63,875 |  | 50,383 |  | 63,875 |  | $ 58,674
Capital expenditures |  | 1,527 |  | 1,853 |  | $ 5,055 |  | 5,415 |  |
Document Period End Date |  |  |  |  |  | Sep. 30, 2015 |  |  |  |
Lower of cost or market inventory adjustments |  | (91) |  |  |  | $ (154) |  | 0 |  |
Mining Operations [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 3,155 |  | 4,706 |  | 10,487 |  | 12,716 |  |
Intersegment |  | 0 |  | 0 |  | 0 |  | 0 |  |
Production and delivery |  | 2,598 |  | 2,880 |  | 7,789 |  | 8,060 |  |
Depreciation, depletion and amortization |  | 434 |  | 438 |  | 1,241 |  | 1,178 |  |
Impairment of oil and gas properties |  | 0 |  | 0 |  | 0 |  | 0 |  |
Selling, general and administrative expenses |  | 37 |  | 43 |  | 118 |  | 123 |  |
Mining exploration and research expenses |  | 32 |  | 29 |  | 101 |  | 93 |  |
Environmental obligations and shutdown costs |  | 36 |  | 18 |  | 60 |  | 100 |  |
Net gain on sales of assets |  |  |  | (46) |  | (39) |  | (46) |  |
Operating income (loss) |  | 18 |  | 1,344 |  | 1,217 |  | 3,208 |  |
Interest expense, net |  | 23 |  | 24 |  | 69 |  | 69 |  |
Provision for (benefit from) income taxes |  | 29 |  | 359 |  | 236 |  | 668 |  |
Total Assets |  | 38,200 |  | 38,049 |  | 38,200 |  | 38,049 |  |
Capital expenditures |  | 846 |  | 937 |  | 2,540 |  | 3,010 |  |
North America Copper Mines [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 223 |  | 219 |  | 716 |  | 410 |  |
Intersegment |  | 946 |  | 1,271 |  | 3,193 |  | 3,835 |  |
Production and delivery |  | 1,028 | [1] | 902 |  | 2,933 | [2] | 2,558 |  |
Depreciation, depletion and amortization |  | 136 |  | 133 |  | 408 |  | 368 |  |
Impairment of oil and gas properties |  | 0 |  | 0 |  | 0 |  | 0 |  |
Selling, general and administrative expenses |  | 1 |  | 1 |  | 4 |  | 3 |  |
Mining exploration and research expenses |  | 1 |  | 2 |  | 6 |  | 6 |  |
Environmental obligations and shutdown costs |  | 3 |  | (5) |  | 3 |  | (5) |  |
Net gain on sales of assets |  |  |  | (14) |  | (39) |  | (14) |  |
Operating income (loss) |  | 0 |  | 471 |  | 594 |  | 1,329 |  |
Interest expense, net |  | 1 |  | 1 |  | 3 |  | 3 |  |
Provision for (benefit from) income taxes |  | 0 |  | 0 |  | 0 |  | 0 |  |
Total Assets |  | 8,879 |  | 9,431 |  | 8,879 |  | 9,431 |  |
Capital expenditures |  | 94 |  | 188 |  | 308 |  | 815 |  |
Charges to Cost of Sales for Inventory Adjustments, Asset Impairments and Restructuring |  | (133) |  |  |  | (144) |  |  |  |
Morenci [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 165 |  | 140 |  | 451 |  | 215 |  |
Intersegment |  | 332 |  | 428 |  | 1,209 |  | 1,346 |  |
Production and delivery |  | 357 |  | 341 |  | 1,117 |  | 936 |  |
Depreciation, depletion and amortization |  | 51 |  | 51 |  | 157 |  | 128 |  |
Impairment of oil and gas properties |  | 0 |  | 0 |  | 0 |  | 0 |  |
Selling, general and administrative expenses |  | 1 |  | 0 |  | 2 |  | 1 |  |
Mining exploration and research expenses |  | 0 |  | 0 |  | 0 |  | 0 |  |
Environmental obligations and shutdown costs |  | 0 |  | 0 |  | 0 |  | 0 |  |
Net gain on sales of assets |  |  |  | 0 |  | 0 |  | 0 |  |
Operating income (loss) |  | 88 |  | 176 |  | 384 |  | 496 |  |
Interest expense, net |  | 1 |  | 1 |  | 2 |  | 2 |  |
Provision for (benefit from) income taxes |  | 0 |  | 0 |  | 0 |  | 0 |  |
Total Assets |  | 3,720 |  | 3,689 |  | 3,720 |  | 3,689 |  |
Capital expenditures |  | 61 |  | 158 |  | 224 |  | 691 |  |
Other North America Copper Mines [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 58 |  | 79 |  | 265 |  | 195 |  |
Intersegment |  | 614 |  | 843 |  | 1,984 |  | 2,489 |  |
Production and delivery |  | 671 |  | 561 |  | 1,816 |  | 1,622 |  |
Depreciation, depletion and amortization |  | 85 |  | 82 |  | 251 |  | 240 |  |
Impairment of oil and gas properties |  | 0 |  | 0 |  | 0 |  | 0 |  |
Selling, general and administrative expenses |  | 0 |  | 1 |  | 2 |  | 2 |  |
Mining exploration and research expenses |  | 1 |  | 2 |  | 6 |  | 6 |  |
Environmental obligations and shutdown costs |  | 3 |  | (5) |  | 3 |  | (5) |  |
Net gain on sales of assets |  |  |  | (14) |  | (39) |  | (14) |  |
Operating income (loss) |  | (88) |  | 295 |  | 210 |  | 833 |  |
Interest expense, net |  | 0 |  | 0 |  | 1 |  | 1 |  |
Provision for (benefit from) income taxes |  | 0 |  | 0 |  | 0 |  | 0 |  |
Total Assets |  | 5,159 |  | 5,742 |  | 5,159 |  | 5,742 |  |
Capital expenditures |  | 33 |  | 30 |  | 84 |  | 124 |  |
South America Mines [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 425 |  | 736 |  | 1,320 |  | 2,383 |  |
Intersegment |  | 13 |  | 111 |  | 57 |  | 393 |  |
Production and delivery |  | 344 |  | 471 |  | 1,004 |  | 1,477 |  |
Depreciation, depletion and amortization |  | 89 |  | 102 |  | 236 |  | 284 |  |
Impairment of oil and gas properties |  | 0 |  | 0 |  | 0 |  | 0 |  |
Selling, general and administrative expenses |  | 1 |  | 1 |  | 3 |  | 5 |  |
Mining exploration and research expenses |  | 0 |  | 0 |  | 0 |  | 0 |  |
Environmental obligations and shutdown costs |  | 0 |  | 0 |  | 0 |  | 0 |  |
Net gain on sales of assets |  |  |  | 0 |  | 0 |  | 0 |  |
Operating income (loss) |  | 4 |  | 273 |  | 134 |  | 1,010 |  |
Interest expense, net |  | 0 |  | 1 |  | 1 |  | 1 |  |
Provision for (benefit from) income taxes |  | 2 |  | 142 |  | 32 |  | 409 |  |
Total Assets |  | 10,979 |  | 10,727 |  | 10,979 |  | 10,727 |  |
Capital expenditures |  | 437 |  | 439 |  | 1,339 |  | 1,278 |  |
Cerro Verde [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 238 |  | 295 |  | 681 |  | 996 |  |
Intersegment |  | 13 |  | 63 |  | 64 |  | 150 |  |
Production and delivery |  | 177 |  | 178 |  | 540 |  | 538 |  |
Depreciation, depletion and amortization |  | 57 |  | 41 |  | 134 |  | 120 |  |
Impairment of oil and gas properties |  | 0 |  | 0 |  | 0 |  | 0 |  |
Selling, general and administrative expenses |  | 1 |  | 0 |  | 2 |  | 2 |  |
Mining exploration and research expenses |  | 0 |  | 0 |  | 0 |  | 0 |  |
Environmental obligations and shutdown costs |  | 0 |  | 0 |  | 0 |  | 0 |  |
Net gain on sales of assets |  |  |  | 0 |  | 0 |  | 0 |  |
Operating income (loss) |  | 16 |  | 139 |  | 69 |  | 486 |  |
Interest expense, net |  | 0 |  | 1 |  | 1 |  | 1 |  |
Provision for (benefit from) income taxes |  | 0 |  | 47 |  | 0 |  | 177 |  |
Total Assets |  | 9,136 |  | 7,006 |  | 9,136 |  | 7,006 |  |
Capital expenditures |  | 421 |  | 416 |  | 1,296 |  | 1,207 |  |
Other South America Mines [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 187 | [3] | 441 | [3] | 639 | [4] | 1,387 | [4] |
Intersegment |  | 0 | [3] | 48 | [3] | (7) | [4],[5] | 243 | [4] |
Production and delivery |  | 167 | [1],[3] | 293 | [3] | 464 | [2],[4] | 939 | [4] |
Depreciation, depletion and amortization |  | 32 | [3] | 61 | [3] | 102 | [4] | 164 | [4] |
Impairment of oil and gas properties |  | 0 | [3] | 0 | [3] | 0 | [4] | 0 | [4] |
Selling, general and administrative expenses |  | 0 | [3] | 1 | [3] | 1 | [4] | 3 | [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 sales of assets |  |  |  | 0 | [3] | 0 | [4] | 0 | [4] |
Operating income (loss) |  | (12) | [3] | 134 | [3] | 65 | [4] | 524 | [4] |
Interest expense, net |  | 0 | [3] | 0 | [3] | 0 | [4] | 0 | [4] |
Provision for (benefit from) income taxes |  | 2 | [3] | 95 | [3] | 32 | [4] | 232 | [4] |
Total Assets | [3] | 1,843 |  | 3,721 |  | 1,843 |  | 3,721 |  |
Capital expenditures |  | 16 | [3] | 23 | [3] | 43 | [4] | 71 | [4] |
Charges to Cost of Sales for Inventory Adjustments, Asset Impairments and Restructuring |  | (11) |  |  |  | (11) |  |  |  |
Indonesia - Grasberg [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 557 | [6] | 1,086 | [6] | 1,969 | [7] | 2,071 | [7] |
Intersegment |  | 52 |  | 167 |  | 37 |  | 175 |  |
Production and delivery |  | 417 |  | 700 |  | 1,311 |  | 1,594 |  |
Depreciation, depletion and amortization |  | 90 |  | 92 |  | 238 |  | 194 |  |
Impairment of oil and gas properties |  | 0 |  | 0 |  | 0 |  | 0 |  |
Selling, general and administrative expenses |  | 24 |  | 27 |  | 74 |  | 73 |  |
Mining exploration and research expenses |  | 0 |  | 0 |  | 0 |  | 0 |  |
Environmental obligations and shutdown costs |  | 0 |  | 0 |  | 0 |  | 0 |  |
Net gain on sales of assets |  |  |  | 0 |  | 0 |  | 0 |  |
Operating income (loss) |  | 78 |  | 434 |  | 383 |  | 385 |  |
Interest expense, net |  | 0 |  | 0 |  | 0 |  | 0 |  |
Provision for (benefit from) income taxes |  | 21 |  | 181 |  | 145 |  | 166 |  |
Total Assets |  | 8,965 |  | 8,537 |  | 8,965 |  | 8,537 |  |
Capital expenditures |  | 222 |  | 243 |  | 660 |  | 722 |  |
Africa - Tenke [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 299 |  | 379 |  | 991 |  | 1,071 |  |
Intersegment |  | 29 |  | 49 |  | 98 |  | 102 |  |
Production and delivery |  | 209 |  | 206 |  | 634 |  | 556 |  |
Depreciation, depletion and amortization |  | 65 |  | 58 |  | 195 |  | 172 |  |
Impairment of oil and gas properties |  | 0 |  | 0 |  | 0 |  | 0 |  |
Selling, general and administrative expenses |  | 2 |  | 3 |  | 8 |  | 9 |  |
Mining exploration and research expenses |  | 0 |  | 0 |  | 0 |  | 0 |  |
Environmental obligations and shutdown costs |  | 0 |  | 0 |  | 0 |  | 0 |  |
Net gain on sales of assets |  |  |  | 0 |  | 0 |  | 0 |  |
Operating income (loss) |  | 52 |  | 161 |  | 252 |  | 436 |  |
Interest expense, net |  | 0 |  | 0 |  | 0 |  | 0 |  |
Provision for (benefit from) income taxes |  | 6 |  | 36 |  | 59 |  | 93 |  |
Total Assets |  | 5,100 |  | 5,010 |  | 5,100 |  | 5,010 |  |
Capital expenditures |  | 69 |  | 40 |  | 166 |  | 100 |  |
Molybdenum mines [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 0 |  | 0 |  | 0 |  | 0 |  |
Intersegment |  | 83 |  | 173 |  | 298 |  | 469 |  |
Production and delivery |  | 86 | [1] | 86 |  | 253 | [2] | 243 |  |
Depreciation, depletion and amortization |  | 26 |  | 25 |  | 77 |  | 71 |  |
Impairment of oil and gas properties |  | 0 |  | 0 |  | 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 sales of assets |  |  |  | 0 |  | 0 |  | 0 |  |
Operating income (loss) |  | (29) |  | 62 |  | (32) |  | 155 |  |
Interest expense, net |  | 0 |  | 0 |  | 0 |  | 0 |  |
Provision for (benefit from) income taxes |  | 0 |  | 0 |  | 0 |  | 0 |  |
Total Assets |  | 2,017 |  | 2,089 |  | 2,017 |  | 2,089 |  |
Capital expenditures |  | 3 |  | 12 |  | 10 |  | 45 |  |
Charges to Cost of Sales for Inventory Adjustments, Asset Impairments and Restructuring |  | (5) |  |  |  | (8) |  |  |  |
Rod & Refining [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 946 |  | 1,219 |  | 3,097 |  | 3,599 |  |
Intersegment |  | 5 |  | 8 |  | 20 |  | 24 |  |
Production and delivery |  | 946 |  | 1,220 |  | 3,097 |  | 3,601 |  |
Depreciation, depletion and amortization |  | 2 |  | 2 |  | 7 |  | 7 |  |
Impairment of oil and gas properties |  | 0 |  | 0 |  | 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 sales of assets |  |  |  | 0 |  | 0 |  | 0 |  |
Operating income (loss) |  | 3 |  | 5 |  | 13 |  | 15 |  |
Interest expense, net |  | 0 |  | 0 |  | 0 |  | 0 |  |
Provision for (benefit from) income taxes |  | 0 |  | 0 |  | 0 |  | 0 |  |
Total Assets |  | 235 |  | 282 |  | 235 |  | 282 |  |
Capital expenditures |  | 1 |  | 1 |  | 2 |  | 3 |  |
Atlantic Copper Smelting & Refining [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 438 |  | 597 |  | 1,473 |  | 1,808 |  |
Intersegment |  | 1 |  | 4 |  | 12 |  | 15 |  |
Production and delivery |  | 410 |  | 578 |  | 1,397 |  | 1,784 |  |
Depreciation, depletion and amortization |  | 10 |  | 11 |  | 29 |  | 31 |  |
Impairment of oil and gas properties |  | 0 |  | 0 |  | 0 |  | 0 |  |
Selling, general and administrative expenses |  | 4 |  | 4 |  | 13 |  | 13 |  |
Mining exploration and research expenses |  | 0 |  | 0 |  | 0 |  | 0 |  |
Environmental obligations and shutdown costs |  | 0 |  | 0 |  | 0 |  | 0 |  |
Net gain on sales of assets |  |  |  | 0 |  | 0 |  | 0 |  |
Operating income (loss) |  | 15 |  | 8 |  | 46 |  | (5) |  |
Interest expense, net |  | 3 |  | 3 |  | 8 |  | 10 |  |
Provision for (benefit from) income taxes |  | 0 |  | 0 |  | 0 |  | 0 |  |
Total Assets |  | 699 |  | 948 |  | 699 |  | 948 |  |
Capital expenditures |  | 10 |  | 3 |  | 18 |  | 9 |  |
Other Mining & Eliminations [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers | [8] | 267 |  | 470 |  | 921 |  | 1,374 |  |
Intersegment |  | (1,129) |  | (1,783) |  | (3,715) |  | (5,013) |  |
Production and delivery |  | (842) | [1] | (1,283) |  | (2,840) | [2] | (3,753) |  |
Depreciation, depletion and amortization |  | 16 |  | 15 |  | 51 |  | 51 |  |
Impairment of oil and gas properties |  | 0 |  | 0 |  | 0 |  | 0 |  |
Selling, general and administrative expenses |  | 5 |  | 7 |  | 16 |  | 20 |  |
Mining exploration and research expenses |  | 31 |  | 27 |  | 95 |  | 87 |  |
Environmental obligations and shutdown costs |  | 33 |  | 23 |  | 57 |  | 105 |  |
Net gain on sales of assets |  |  |  | (32) |  | 0 |  | (32) |  |
Operating income (loss) |  | (105) |  | (70) |  | (173) |  | (117) |  |
Interest expense, net |  | 19 |  | 19 |  | 57 |  | 55 |  |
Provision for (benefit from) income taxes |  | 0 |  | 0 |  | 0 |  | 0 |  |
Total Assets |  | 1,326 |  | 1,025 |  | 1,326 |  | 1,025 |  |
Capital expenditures |  | 10 |  | 11 |  | 37 |  | 38 |  |
Charges to Cost of Sales for Inventory Adjustments, Asset Impairments and Restructuring |  | (35) |  |  |  | (84) |  |  |  |
U.S. Oil & Gas Operations [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 525 | [9] | 990 | [9] | 1,594 | [10],[11] | 3,487 | [10],[11] |
Intersegment |  | 0 |  | 0 |  | 0 | [11] | 0 | [11] |
Production and delivery |  | 293 |  | 273 |  | 857 | [11] | 913 | [11] |
Depreciation, depletion and amortization |  | 450 |  | 504 |  | 1,465 | [11] | 1,736 | [11] |
Impairment of oil and gas properties |  | 3,480 |  | 308 |  | 9,270 | [11] | 308 | [11] |
Selling, general and administrative expenses |  | 37 |  | 55 |  | 140 | [11] | 171 | [11] |
Mining exploration and research expenses |  | 0 |  | 0 |  | 0 | [11] | 0 | [11] |
Environmental obligations and shutdown costs |  | 0 |  | 0 |  | 0 | [11] | 0 | [11] |
Net gain on sales of assets |  |  |  | 0 |  | 0 | [11] | 0 | [11] |
Operating income (loss) |  | (3,735) |  | (150) |  | (10,138) | [11] | 359 | [11] |
Interest expense, net |  | 51 |  | 51 |  | 129 | [11] | 201 | [11] |
Provision for (benefit from) income taxes |  | 0 |  | 0 |  | 0 | [11] | 0 | [11] |
Total Assets |  | 11,911 |  | 25,328 |  | 11,911 |  | 25,328 |  |
Capital expenditures |  | 635 | [12] | 908 | [12] | 2,430 | [11],[13] | 2,392 | [11],[13] |
Corporate, Other & Eliminations [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  | 1 |  | 0 |  | 1 |  | 0 |  |
Intersegment |  | 0 |  | 0 |  | 0 |  | 0 |  |
Production and delivery |  | 2 | [1] | (1) |  | 7 | [2] | (2) |  |
Depreciation, depletion and amortization |  | 4 |  | 3 |  | 11 |  | 10 |  |
Impairment of oil and gas properties |  | 172 | [14] | 0 |  | 172 | [14] | 0 |  |
Selling, general and administrative expenses |  | 50 |  | 60 |  | 171 |  | 163 |  |
Mining exploration and research expenses |  | 0 |  | 0 |  | 0 |  | 0 |  |
Environmental obligations and shutdown costs |  | 1 |  | 0 |  | 1 |  | 0 |  |
Net gain on sales of assets |  |  |  | 0 |  | 0 |  | 0 |  |
Operating income (loss) |  | (228) |  | (62) |  | (361) |  | (171) |  |
Interest expense, net |  | 89 |  | 83 |  | 260 |  | 213 |  |
Provision for (benefit from) income taxes |  | (389) |  | (10) |  | (1,978) |  | 366 |  |
Total Assets |  | 272 |  | 498 |  | 272 |  | 498 |  |
Capital expenditures |  | 46 |  | 8 |  | 85 |  | 13 |  |
Charges to Cost of Sales for Inventory Adjustments, Asset Impairments and Restructuring |  | (2) |  |  |  | (2) |  |  |  |
Crude oil and natural gas swaps [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Net mark-to-market gains (losses) on derivative contracts |  | 29 |  | 64 |  | $ 87 |  | (56) |  |
Pt Smelting [Member] |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Deferred Intercompany Profit, Percentage |  |  |  |  |  | 25.00% |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Revenues |  | $ 61 |  | 628 |  | $ 704 |  | 1,500 |  |
Equity Method Investment, Ownership Percentage |  | 25.00% |  |  |  | 25.00% |  |  |  |
Morocco | Corporate, Other & Eliminations [Member] |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |
Capital expenditures |  | $ 37 | [12] | $ 7 | [12] | $ 81 | [13] | $ 7 | [13] |
[1] | Includes charges totaling $133 million at North America copper mines for inventory adjustments, impairments and restructuring, $11 million at other South America mines for restructuring, $5 million at Molybdenum mines and $35 million at other mining & eliminations for inventory adjustments and restructuring, and $2 million for restructuring at corporate, other & eliminations.
[2] | Includes charges totaling $144 million at North America copper mines for inventory adjustments, impairments and restructuring, $11 million at other South America mines for restructuring, $8 million at Molybdenum mines and $84 million at other mining & eliminations for inventory adjustments and restructuring, and $2 million for restructuring at corporate, other & eliminations.
[3] | Third-quarter 2014 includes the results of the Candelaria and Ojos del Salado mining operations, which were sold in November 2014.
[4] | For the first nine months of 2014 Other South America Mines include the results of the Candelaria and Ojos del Salado mining operations, which were sold in November 2014.
[5] | Includes net reductions for provisional pricing adjustments to prior period open sales. There were no intersegment sales from El Abra for the first nine months of 2015.
[6] | Includes PT-FI’s sales to PT Smelting totaling $61 million in third-quarter 2015 and $628 million in third-quarter 2014.
[7] | Includes PT-FI’s sales to PT Smelting totaling $704 million for the first nine months of 2015 and $1.5 billion for the first nine months of 2014.
[8] | 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.
[9] | Includes net mark-to-market gains associated with crude oil and natural gas derivative contracts totaling $29 million in third-quarter 2015 and $64 million in third-quarter 2014.
[10] | Includes net mark-to-market gains (losses) associated with crude oil and natural gas derivative contracts totaling $87 million for the first nine months 2015 and $(56) million for the first nine months of 2014.
[11] | The first nine months of 2014 include the results from Eagle Ford, which was sold in June 2014.
[12] | Excludes capital expenditures totaling $37 million in third-quarter 2015 and $7 million in third-quarter 2014 primarily related to the Morocco oil and gas properties, which are included in corporate, other & eliminations.
[13] | Excludes capital expenditures totaling $81 million for the first nine months of 2015 and $7 million for the first nine months of 2014 primarily related to the Morocco oil and gas properties, which are included in corporate, other & eliminations.
[14] | Primarily includes impairment charges for Morocco oil and gas properties.

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