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Business Segments (Unaudited) (Details) - USD ($) $ in Millions |  | 3 Months Ended | 6 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
May 31, 2016 | Sep. 30, 2016 | Sep. 30, 2015 | Jun. 30, 2016 | Sep. 30, 2016 | Sep. 30, 2015 | May 30, 2016 | Dec. 31, 2015
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  |  | $ 3,877 |  | $ 3,382 |  |  | $ 10,453 |  | $ 11,091 |  |  |
Intersegment |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Production and delivery |  |  | 2,509 |  | 2,595 |  |  | 7,957 |  | 7,862 |  |  |
Depreciation, depletion and amortization |  |  | 643 |  | 823 |  |  | 1,937 |  | 2,522 |  |  |
Impairment of oil and gas properties |  |  | 239 |  | 3,652 |  |  | 4,317 |  | 9,442 |  |  |
Metals inventory adjustments |  |  | 20 |  | 91 |  |  | 27 |  | 154 |  |  |
Selling, general and administrative expenses |  |  | 110 |  | 122 |  |  | 408 |  | 421 |  |  |
Mining exploration and research expenses |  |  | 13 |  | 26 |  |  | 46 |  | 83 |  |  |
Environmental obligations and shutdown (credits) costs |  |  | (3) |  | 37 |  |  | 18 |  | 61 |  |  |
Net gain on sales of assets |  |  | (13) |  | 0 |  |  | (762) |  | (39) |  |  |
Operating income (loss) |  |  | 359 |  | (3,964) |  |  | (3,495) |  | (9,415) |  |  |
Interest expense, net |  |  | 187 |  | 157 |  |  | 574 |  | 438 |  |  |
Provision for (benefit from) income taxes |  |  | (114) |  | (349) |  |  | 79 |  | (1,762) |  |  |
Total Assets |  |  | 41,400 | [1] | 50,383 | [1] |  | 41,400 | [1] | 50,383 | [1] |  | $ 46,577
Capital expenditures |  |  | 494 |  | 1,527 |  |  | 2,309 |  | 5,055 |  |  |
Assets held for sale |  |  | 4,663 |  | 4,868 |  |  | 4,663 |  | 4,868 |  |  | $ 744
Mining Operations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  |  | 3,450 |  | 2,856 |  |  | 9,321 |  | 9,496 |  |  |
Intersegment |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Production and delivery |  |  | 2,256 |  | 2,300 |  |  | 6,395 |  | 6,998 |  |  |
Depreciation, depletion and amortization |  |  | 416 |  | 369 |  |  | 1,230 |  | 1,046 |  |  |
Impairment of oil and gas properties |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Metals inventory adjustments |  |  | 20 |  | 91 |  |  | 27 |  | 154 |  |  |
Selling, general and administrative expenses |  |  | 35 |  | 35 |  |  | 92 |  | 110 |  |  |
Mining exploration and research expenses |  |  | 13 |  | 26 |  |  | 46 |  | 83 |  |  |
Environmental obligations and shutdown (credits) costs |  |  | (3) |  | 36 |  |  | 17 |  | 60 |  |  |
Net gain on sales of assets |  |  | 1 |  |  |  |  | (748) |  | (39) |  |  |
Operating income (loss) |  |  | 712 |  | (1) |  |  | 2,262 |  | 1,084 |  |  |
Interest expense, net |  |  | 46 |  | 23 |  |  | 137 |  | 69 |  |  |
Provision for (benefit from) income taxes |  |  | 190 |  | 23 |  |  | 326 |  | 177 |  |  |
Total Assets |  |  | 36,867 |  | 38,200 |  |  | 36,867 |  | 38,200 |  |  |
Capital expenditures |  |  | 333 |  | 845 |  |  | 1,233 |  | 2,534 |  |  |
North America Copper Mines [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  |  | 227 |  | 223 |  |  | 567 |  | 716 |  |  |
Intersegment |  |  | 857 |  | 946 |  |  | 2,713 |  | 3,193 |  |  |
Production and delivery |  |  | 733 |  | 973 |  |  | 2,247 |  | 2,867 |  |  |
Depreciation, depletion and amortization |  |  | 129 |  | 136 |  |  | 407 |  | 408 |  |  |
Impairment of oil and gas properties |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Metals inventory adjustments |  |  | 6 |  | 55 |  |  | 6 |  | 66 |  |  |
Selling, general and administrative expenses |  |  | 1 |  | 1 |  |  | 4 |  | 4 |  |  |
Mining exploration and research expenses |  |  | 1 |  | 1 |  |  | 2 |  | 6 |  |  |
Environmental obligations and shutdown (credits) costs |  |  | 0 |  | 3 |  |  | 0 |  | 3 |  |  |
Net gain on sales of assets |  |  | 1 |  |  |  |  | (576) |  | (39) |  |  |
Operating income (loss) |  |  | 213 |  | 0 |  |  | 1,190 |  | 594 |  |  |
Interest expense, net |  |  | 1 |  | 1 |  |  | 3 |  | 3 |  |  |
Provision for (benefit from) income taxes |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Total Assets |  |  | 7,421 |  | 8,879 |  |  | 7,421 |  | 8,879 |  |  |
Capital expenditures |  |  | 11 |  | 94 |  |  | 87 |  | 308 |  |  |
Morenci [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  |  | 115 |  | 165 |  |  | 356 |  | 451 |  |  |
Intersegment |  |  | 358 |  | 332 |  |  | 1,119 |  | 1,209 |  |  |
Production and delivery |  |  | 275 |  | 357 |  |  | 913 |  | 1,117 |  |  |
Depreciation, depletion and amortization |  |  | 51 |  | 51 |  |  | 170 |  | 157 |  |  |
Impairment of oil and gas properties |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Metals inventory adjustments |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Selling, general and administrative expenses |  |  | 1 |  | 1 |  |  | 2 |  | 2 |  |  |
Mining exploration and research expenses |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Environmental obligations and shutdown (credits) costs |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Net gain on sales of assets |  |  | 1 |  |  |  |  | (576) |  | 0 |  |  |
Operating income (loss) |  |  | 145 |  | 88 |  |  | 966 |  | 384 |  |  |
Interest expense, net |  |  | 1 |  | 1 |  |  | 2 |  | 2 |  |  |
Provision for (benefit from) income taxes |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Total Assets |  |  | 2,881 |  | 3,720 |  |  | 2,881 |  | 3,720 |  |  |
Capital expenditures |  |  | 6 |  | 61 |  |  | 71 |  | 224 |  |  |
Other North America Copper Mines [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  |  | 112 |  | 58 |  |  | 211 |  | 265 |  |  |
Intersegment |  |  | 499 |  | 614 |  |  | 1,594 |  | 1,984 |  |  |
Production and delivery |  |  | 458 |  | 616 | [2] |  | 1,334 |  | 1,750 | [3] |  |
Depreciation, depletion and amortization |  |  | 78 |  | 85 |  |  | 237 |  | 251 |  |  |
Impairment of oil and gas properties |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Metals inventory adjustments |  |  | 6 |  | 55 |  |  | 6 |  | 66 |  |  |
Selling, general and administrative expenses |  |  | 0 |  | 0 |  |  | 2 |  | 2 |  |  |
Mining exploration and research expenses |  |  | 1 |  | 1 |  |  | 2 |  | 6 |  |  |
Environmental obligations and shutdown (credits) costs |  |  | 0 |  | 3 |  |  | 0 |  | 3 |  |  |
Net gain on sales of assets |  |  | 0 |  |  |  |  | 0 |  | (39) |  |  |
Operating income (loss) |  |  | 68 |  | (88) |  |  | 224 |  | 210 |  |  |
Interest expense, net |  |  | 0 |  | 0 |  |  | 1 |  | 1 |  |  |
Provision for (benefit from) income taxes |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Total Assets |  |  | 4,540 |  | 5,159 |  |  | 4,540 |  | 5,159 |  |  |
Capital expenditures |  |  | 5 |  | 33 |  |  | 16 |  | 84 |  |  |
Restructuring Costs and Asset Impairment Charges |  |  |  |  | (75) |  |  |  |  | (75) |  |  |
South America Mines [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  |  | 617 |  | 425 |  |  | 1,864 |  | 1,320 |  |  |
Intersegment |  |  | 54 |  | 13 |  |  | 155 |  | 57 |  |  |
Production and delivery |  |  | 424 |  | 344 |  |  | 1,240 |  | 1,004 |  |  |
Depreciation, depletion and amortization |  |  | 134 |  | 89 |  |  | 402 |  | 236 |  |  |
Impairment of oil and gas properties |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Metals inventory adjustments |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Selling, general and administrative expenses |  |  | 2 |  | 1 |  |  | 6 |  | 3 |  |  |
Mining exploration and research expenses |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Environmental obligations and shutdown (credits) costs |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Net gain on sales of assets |  |  | 0 |  |  |  |  | 0 |  | 0 |  |  |
Operating income (loss) |  |  | 111 |  | 4 |  |  | 371 |  | 134 |  |  |
Interest expense, net |  |  | 21 |  | 0 |  |  | 63 |  | 1 |  |  |
Provision for (benefit from) income taxes |  |  | 32 |  | 2 |  |  | 114 |  | 32 |  |  |
Total Assets |  |  | 10,690 |  | 10,979 |  |  | 10,690 |  | 10,979 |  |  |
Capital expenditures |  |  | 39 |  | 437 |  |  | 332 |  | 1,339 |  |  |
Cerro Verde [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  |  | 505 |  | 238 |  |  | 1,485 |  | 681 |  |  |
Intersegment |  |  | 54 |  | 13 |  |  | 155 |  | 64 |  |  |
Production and delivery |  |  | 333 |  | 177 |  |  | 927 |  | 540 |  |  |
Depreciation, depletion and amortization |  |  | 109 |  | 57 |  |  | 319 |  | 134 |  |  |
Impairment of oil and gas properties |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Metals inventory adjustments |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Selling, general and administrative expenses |  |  | 1 |  | 1 |  |  | 5 |  | 2 |  |  |
Mining exploration and research expenses |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Environmental obligations and shutdown (credits) costs |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Net gain on sales of assets |  |  | 0 |  |  |  |  | 0 |  | 0 |  |  |
Operating income (loss) |  |  | 116 |  | 16 |  |  | 389 |  | 69 |  |  |
Interest expense, net |  |  | 21 |  | 0 |  |  | 63 |  | 1 |  |  |
Provision for (benefit from) income taxes |  |  | 36 |  | 0 |  |  | 126 |  | 0 |  |  |
Total Assets |  |  | 9,139 |  | 9,136 |  |  | 9,139 |  | 9,136 |  |  |
Capital expenditures |  |  | 38 |  | 421 |  |  | 329 |  | 1,296 |  |  |
Other South America Mines [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  |  | 112 |  | 187 |  |  | 379 |  | 639 |  |  |
Intersegment |  |  | 0 |  | 0 |  |  | 0 |  | (7) | [4] |  |
Production and delivery |  |  | 91 |  | 167 | [2] |  | 313 |  | 464 | [3] |  |
Depreciation, depletion and amortization |  |  | 25 |  | 32 |  |  | 83 |  | 102 |  |  |
Impairment of oil and gas properties |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Metals inventory adjustments |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Selling, general and administrative expenses |  |  | 1 |  | 0 |  |  | 1 |  | 1 |  |  |
Mining exploration and research expenses |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Environmental obligations and shutdown (credits) costs |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Net gain on sales of assets |  |  | 0 |  |  |  |  | 0 |  | 0 |  |  |
Operating income (loss) |  |  | (5) |  | (12) |  |  | (18) |  | 65 |  |  |
Interest expense, net |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Provision for (benefit from) income taxes |  |  | (4) |  | 2 |  |  | (12) |  | 32 |  |  |
Total Assets |  |  | 1,551 |  | 1,843 |  |  | 1,551 |  | 1,843 |  |  |
Capital expenditures |  |  | 1 |  | 16 |  |  | 3 |  | 43 |  |  |
Restructuring Costs |  |  |  |  | 11 |  |  |  |  | 11 |  |  |
Indonesia - Grasberg [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  |  | 984 | [5] | 557 | [5] |  | 2,014 | [6] | 1,969 | [6] |  |
Intersegment |  |  | 2 |  | 52 |  |  | 59 |  | 37 |  |  |
Production and delivery |  |  | 478 | [2] | 417 |  |  | 1,228 | [3] | 1,311 |  |  |
Depreciation, depletion and amortization |  |  | 110 |  | 90 |  |  | 284 |  | 238 |  |  |
Impairment of oil and gas properties |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Metals inventory adjustments |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Selling, general and administrative expenses |  |  | 24 |  | 24 |  |  | 60 |  | 74 |  |  |
Mining exploration and research expenses |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Environmental obligations and shutdown (credits) costs |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Net gain on sales of assets |  |  | 0 |  |  |  |  | 0 |  | 0 |  |  |
Operating income (loss) |  |  | 374 |  | 78 |  |  | 501 |  | 383 |  |  |
Interest expense, net |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Provision for (benefit from) income taxes |  |  | 158 |  | 21 |  |  | 212 |  | 145 |  |  |
Total Assets |  |  | 9,830 |  | 8,965 |  |  | 9,830 |  | 8,965 |  |  |
Capital expenditures |  |  | 256 |  | 222 |  |  | 715 |  | 660 |  |  |
Increase (Decrease) in Asset Retirement Obligations |  |  | (17) |  |  |  |  | (17) |  |  |  |  |
Molybdenum mines [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Intersegment |  |  | 46 |  | 83 |  |  | 136 |  | 298 |  |  |
Production and delivery |  |  | 51 |  | 83 | [2] |  | 147 |  | 247 | [3] |  |
Depreciation, depletion and amortization |  |  | 15 |  | 26 |  |  | 51 |  | 77 |  |  |
Impairment of oil and gas properties |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Metals inventory adjustments |  |  | 6 |  | 3 |  |  | 12 |  | 6 |  |  |
Selling, general and administrative expenses |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Mining exploration and research expenses |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Environmental obligations and shutdown (credits) costs |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Net gain on sales of assets |  |  | 0 |  |  |  |  | 0 |  | 0 |  |  |
Operating income (loss) |  |  | (26) |  | (29) |  |  | (74) |  | (32) |  |  |
Interest expense, net |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Provision for (benefit from) income taxes |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Total Assets |  |  | 1,953 |  | 2,017 |  |  | 1,953 |  | 2,017 |  |  |
Capital expenditures |  |  | 1 |  | 3 |  |  | 2 |  | 10 |  |  |
Restructuring Costs |  |  |  |  | 2 |  |  |  |  | 2 |  |  |
Rod & Refining [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  |  | 930 |  | 946 |  |  | 2,820 |  | 3,097 |  |  |
Intersegment |  |  | 7 |  | 5 |  |  | 22 |  | 20 |  |  |
Production and delivery |  |  | 931 |  | 946 |  |  | 2,820 |  | 3,097 |  |  |
Depreciation, depletion and amortization |  |  | 2 |  | 2 |  |  | 7 |  | 7 |  |  |
Impairment of oil and gas properties |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Metals inventory adjustments |  |  | 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 (credits) costs |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Net gain on sales of assets |  |  | 0 |  |  |  |  | 0 |  | 0 |  |  |
Operating income (loss) |  |  | 4 |  | 3 |  |  | 15 |  | 13 |  |  |
Interest expense, net |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Provision for (benefit from) income taxes |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Total Assets |  |  | 238 |  | 235 |  |  | 238 |  | 235 |  |  |
Capital expenditures |  |  | 0 |  | 1 |  |  | 1 |  | 2 |  |  |
Atlantic Copper Smelting & Refining [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  |  | 445 |  | 438 |  |  | 1,360 |  | 1,473 |  |  |
Intersegment |  |  | 0 |  | 1 |  |  | 3 |  | 12 |  |  |
Production and delivery |  |  | 416 |  | 410 |  |  | 1,275 |  | 1,397 |  |  |
Depreciation, depletion and amortization |  |  | 7 |  | 10 |  |  | 22 |  | 29 |  |  |
Impairment of oil and gas properties |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Metals inventory adjustments |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Selling, general and administrative expenses |  |  | 5 |  | 4 |  |  | 13 |  | 13 |  |  |
Mining exploration and research expenses |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Environmental obligations and shutdown (credits) costs |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Net gain on sales of assets |  |  | 0 |  |  |  |  | 0 |  | 0 |  |  |
Operating income (loss) |  |  | 17 |  | 15 |  |  | 53 |  | 46 |  |  |
Interest expense, net |  |  | 3 |  | 3 |  |  | 11 |  | 8 |  |  |
Provision for (benefit from) income taxes |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Total Assets |  |  | 565 |  | 699 |  |  | 565 |  | 699 |  |  |
Capital expenditures |  |  | 5 |  | 10 |  |  | 12 |  | 18 |  |  |
Other Mining & Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  |  | 247 | [7] | 267 | [7] |  | 696 | [8] | 921 | [8] |  |
Intersegment |  |  | (966) |  | (1,100) |  |  | (3,088) |  | (3,617) |  |  |
Production and delivery |  |  | (777) |  | (873) | [2] |  | (2,562) |  | (2,925) | [3] |  |
Depreciation, depletion and amortization |  |  | 19 |  | 16 |  |  | 57 |  | 51 |  |  |
Impairment of oil and gas properties |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Metals inventory adjustments |  |  | 8 |  | 33 |  |  | 9 |  | 82 |  |  |
Selling, general and administrative expenses |  |  | 3 |  | 5 |  |  | 9 |  | 16 |  |  |
Mining exploration and research expenses |  |  | 12 |  | 25 |  |  | 44 |  | 77 |  |  |
Environmental obligations and shutdown (credits) costs |  |  | (3) |  | 33 |  |  | 17 |  | 57 |  |  |
Net gain on sales of assets |  |  | 0 |  |  |  |  | (172) |  | 0 |  |  |
Operating income (loss) |  |  | 19 |  | (72) |  |  | 206 |  | (54) |  |  |
Interest expense, net |  |  | 21 |  | 19 |  |  | 60 |  | 57 |  |  |
Provision for (benefit from) income taxes |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Total Assets | [1] |  | 6,170 |  | 6,426 |  |  | 6,170 |  | 6,426 |  |  |
Capital expenditures |  |  | 21 | [1] | 78 | [1] |  | 84 | [9] | 197 | [9] |  |
Restructuring Costs |  |  |  |  | 2 |  |  |  |  | 2 |  |  |
U.S. Oil & Gas Operations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  |  | 427 |  | 525 | [10] |  | 1,132 |  | 1,594 | [11] |  |
Intersegment |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Production and delivery |  |  | 231 | [12] | 293 | [12] |  | 1,527 | [13] | 857 | [13] |  |
Depreciation, depletion and amortization |  |  | 223 |  | 450 |  |  | 696 |  | 1,465 |  |  |
Impairment of oil and gas properties |  |  | 238 |  | 3,480 |  |  | 4,299 |  | 9,270 |  |  |
Metals inventory adjustments |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Selling, general and administrative expenses |  |  | 31 |  | 37 |  |  | 161 | [14] | 140 |  |  |
Mining exploration and research expenses |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Environmental obligations and shutdown (credits) costs |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Net gain on sales of assets |  |  | (7) |  |  |  |  | (7) |  | 0 |  |  |
Operating income (loss) |  |  | (289) |  | (3,735) |  |  | (5,544) |  | (10,138) |  |  |
Interest expense, net |  |  | 102 |  | 51 |  |  | 266 |  | 129 |  |  |
Provision for (benefit from) income taxes |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Total Assets |  |  | 3,462 |  | 11,911 |  |  | 3,462 |  | 11,911 |  |  |
Capital expenditures |  |  | 160 |  | 635 | [15] |  | 1,028 | [16] | 2,430 | [16] |  |
Oil and Gas Drillship settlement/Idle rig costs and inventory write downs |  |  | 50 |  | 21 |  |  | 942 |  | 59 |  |  |
Restructuring Costs |  |  |  |  |  |  |  | 38 |  |  |  |  |
Corporate, Other & Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Unaffiliated customers |  |  | 0 |  | 1 |  |  | 0 |  | 1 |  |  |
Intersegment |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Production and delivery |  |  | 22 | [12] | 2 | [2] |  | 35 | [13] | 7 | [3] |  |
Depreciation, depletion and amortization |  |  | 4 |  | 4 |  |  | 11 |  | 11 |  |  |
Impairment of oil and gas properties |  |  | 1 |  | 172 | [17] |  | 18 | [18] | 172 | [18] |  |
Metals inventory adjustments |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Selling, general and administrative expenses |  |  | 44 |  | 50 |  |  | 155 |  | 171 |  |  |
Mining exploration and research expenses |  |  | 0 |  | 0 |  |  | 0 |  | 0 |  |  |
Environmental obligations and shutdown (credits) costs |  |  | 0 |  | 1 |  |  | 1 |  | 1 |  |  |
Net gain on sales of assets |  |  | (7) |  |  |  |  | (7) |  | 0 |  |  |
Operating income (loss) |  |  | (64) |  | (228) |  |  | (213) |  | (361) |  |  |
Interest expense, net |  |  | 39 |  | 83 |  |  | 171 |  | 240 |  |  |
Provision for (benefit from) income taxes |  |  | (304) |  | (372) |  |  | (247) |  | (1,939) |  |  |
Total Assets |  |  | 1,071 |  | 272 |  |  | 1,071 |  | 272 |  |  |
Capital expenditures |  |  | $ 1 |  | 47 |  |  | $ 48 |  | 91 |  |  |
Restructuring Costs |  |  |  |  | 2 |  |  |  |  | 2 |  |  |
Crude oil and natural gas swaps [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Net mark-to-market gains on derivative contracts |  |  |  |  | 29 |  |  |  |  | 87 |  |  |
Pt Smelting [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred Intercompany Profit, Percentage |  |  |  |  |  |  |  | 25.00% |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  | 25.00% |  |  |  |  | 25.00% |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  | $ 348 |  | 61 |  |  | $ 912 |  | 704 |  |  |
Morocco | Corporate, Other & Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures | [17] |  |  |  | 37 |  |  | 47 |  | 81 |  |  |
Discontinued Operations, Held-for-sale [Member] | Other Mining & Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues: |  |  |  |  |  |  |  |  |  |  |  |  |
Capital expenditures | [17] |  | $ 15 |  | $ 69 |  |  | $ 70 |  | $ 166 |  |  |
Morenci [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Change in Ownership, Percentage |  |  |  |  |  |  | 13.00% |  |  |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Morenci [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Change in Ownership, Percentage |  | 13.00% |  |  |  |  |  |  |  |  |  |  |
Percentage Of Undivided Interest Owned By Company |  |  | 72.00% |  |  |  |  | 72.00% |  |  |  | 85.00% |
[1] | Includes (i) assets held for sale totaling $4.7 billion at September 30, 2016, and $4.9 billion at September 30, 2015, and (ii) capital expenditures totaling $15 million in third-quarter 2016 and $69 million in third-quarter 2015 associated with discontinued operations. Refer to Note 2 for a summary of the results of discontinued operations.
[2] | Third-quarter 2016 includes asset retirement charges of $17 million at Indonesia mining. Third-quarter 2015 includes asset impairment and restructuring charges totaling $75 million at other North America copper mines, and restructuring charges totaling $11 million at other South America copper mines, $2 million at Molybdenum mines, $2 million at Other Mining & Eliminations and $2 million at Corporate, Other & Eliminations.
[3] | The first nine months of 2016 include asset retirement charges of $17 million at Indonesia mining. The first nine months of 2015 includes asset impairment and restructuring charges totaling $75 million at other North America copper mines, and restructuring charges totaling $11 million at other South America copper mines, $2 million at Molybdenum mines, $2 million at Other Mining & Eliminations and $2 million at Corporate, Other & Eliminations.
[4] | Reflects 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.
[5] | Includes PT-FI’s sales to PT Smelting totaling $348 million in third-quarter 2016 and $61 million in third-quarter 2015.
[6] | Includes PT-FI's sales to PT Smelting totaling $912 million for the first nine months of 2016 and $704 million for the first nine months of 2015.
[7] | 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.
[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 capital expenditures of $70 million for the first nine months of 2016 and $166 million for the first nine months of 2015 associated with discontinued operations. Refer to Note 2 for a summary of the results of discontinued operations.
[10] | Includes net mark-to-market gains of $29 million associated with crude oil derivative contracts.
[11] | Includes net mark-to-market gains of $87 million associated with crude oil derivative contracts.
[12] | Includes net charges for oil and gas operations totaling $50 million in third-quarter 2016 and $21 million in third-quarter 2015, primarily for idle rig costs, inventory adjustments, asset impairments and other net charges.
[13] | Includes charges for oil and gas operations totaling $942 million for the first nine months of 2016 and $59 million for the first nine months of 2015, primarily for drillship settlement/idle rig costs, inventory adjustments, asset impairments and other net charges.
[14] | Includes $38 million for net restructuring-related charges.
[15] | Excludes international oil and gas capital expenditures totaling $37 million, primarily related to the Morocco oil and gas properties, which are included in Corporate, Other & Eliminations.
[16] | Excludes international oil and gas capital expenditures totaling $47 million for the first nine months of 2016 and $81 million for the first nine months of 2015, primarily related to the Morocco oil and gas properties, which are included in Corporate, Other & Eliminations.
[17] | Reflects impairment charges for international oil and gas properties primarily in Morocco.
[18] | Reflects impairment charges for international oil and gas properties primarily in Morocco.

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