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Business Segments (Segment Reporting) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | $ 4,310 | $ 3,877 | $ 11,362 | $ 10,453 |
Production and delivery | 2,802 | 2,529 | 7,497 | 7,984 |
Depreciation, depletion and amortization | 418 | 643 | 1,257 | 1,937 |
Impairment of oil and gas properties | 0 | 239 | 0 | 4,317 |
Selling, general and administrative expenses | 106 | 110 | 366 | 408 |
Mining exploration and research expenses | 27 | 13 | 61 | 46 |
Environmental obligations and shutdown costs (credits) | 73 | (3) | 81 | 18 |
Net gain on sales of assets | (33) | (13) | (66) | (762) |
Operating income (loss) | 917 | 359 | 2,166 | (3,495) |
Interest expense, net | 304 | 187 | 633 | 574 |
Provision for (benefit from) income taxes | 387 | (114) | 747 | 79 |
Total assets | 37,327 | 41,400 | 37,327 | 41,400 | $ 37,317
Capital expenditures | 314 | 494 | 1,020 | 2,309 |
Oil and gas contract settlement payments |  |  | 70 | 0 |
Assets, discontinued operations | 549 | 5,100 | 549 | 5,100 |
Operating Segments | North America |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 97 | 227 | 290 | 567 |
Production and delivery | 658 | 739 | 2,056 | 2,253 |
Depreciation, depletion and amortization | 96 | 129 | 330 | 407 |
Impairment of oil and gas properties |  | 0 |  | 0 |
Selling, general and administrative expenses | 2 | 1 | 4 | 4 |
Mining exploration and research expenses | 0 | 1 | 2 | 2 |
Environmental obligations and shutdown costs (credits) | 0 | 0 | 0 | 0 |
Net gain on sales of assets | 0 | 1 | 0 | (576) |
Operating income (loss) | 349 | 213 | 956 | 1,190 |
Interest expense, net | 1 | 1 | 3 | 3 |
Provision for (benefit from) income taxes | 0 | 0 | 0 | 0 |
Total assets | 7,067 | 7,421 | 7,067 | 7,421 |
Capital expenditures | 39 | 11 | 106 | 87 |
Operating Segments | South America |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 959 | 617 | 2,389 | 1,864 |
Production and delivery | 759 | 424 | 1,695 | 1,240 |
Depreciation, depletion and amortization | 134 | 134 | 392 | 402 |
Impairment of oil and gas properties |  | 0 |  | 0 |
Selling, general and administrative expenses | 2 | 2 | 7 | 6 |
Mining exploration and research expenses | 0 | 0 | 0 | 0 |
Environmental obligations and shutdown costs (credits) | 0 | 0 | 0 | 0 |
Net gain on sales of assets | 0 | 0 | 0 | 0 |
Operating income (loss) | 128 | 111 | 532 | 371 |
Interest expense, net | 156 | 21 | 187 | 63 |
Provision for (benefit from) income taxes | 139 | 32 | 298 | 114 |
Total assets | 10,446 | 10,690 | 10,446 | 10,690 |
Capital expenditures | 20 | 39 | 65 | 332 |
Corporate And Eliminations [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 442 | 674 | 1,261 | 1,828 |
Production and delivery | (753) | (516) | (2,324) | (991) |
Depreciation, depletion and amortization | 23 | 246 | 77 | 764 |
Impairment of oil and gas properties |  | 239 |  | 4,317 |
Selling, general and administrative expenses | 66 | 78 | 250 | 325 |
Mining exploration and research expenses | 27 | 12 | 59 | 44 |
Environmental obligations and shutdown costs (credits) | 73 | (3) | 81 | 18 |
Net gain on sales of assets | (33) | (14) | (66) | (186) |
Operating income (loss) | (107) | (334) | (333) | (5,551) |
Interest expense, net | 141 | 162 | 429 | 497 |
Provision for (benefit from) income taxes | 14 | (308) | 10 | (252) |
Total assets | 5,814 | 10,815 | 5,814 | 10,815 |
Capital expenditures | 41 | 185 | 149 | 1,169 |
Restructuring Charges |  |  | 5 |  |
Intersegment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 0 | 0 | 0 | 0 |
Intersegment | North America |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 1,008 | 857 | 3,058 | 2,713 |
Intersegment | South America |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 64 | 54 | 237 | 155 |
Pt Smelting [Member] | Affiliated Entity [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 652 | 348 | $ 1,400 | 912 |
Discontinued Operations, Disposed of by Sale | Tenke Fungurume [Member] | Corporate And Eliminations [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Capital expenditures |  | 15 |  | 70 |
Pt Smelting [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Deferred Intercompany Profit, Percentage |  |  | 25.00% |  |
Morenci [Member] | Operating Segments | North America |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 57 | 115 | $ 168 | 356 |
Production and delivery | 244 | 275 | 772 | 913 |
Depreciation, depletion and amortization | 42 | 51 | 138 | 170 |
Impairment of oil and gas properties |  | 0 |  | 0 |
Selling, general and administrative expenses | 1 | 1 | 2 | 2 |
Mining exploration and research expenses | 0 | 0 | 0 | 0 |
Environmental obligations and shutdown costs (credits) | 0 | 0 | 0 | 0 |
Net gain on sales of assets | 0 | 1 | 0 | (576) |
Operating income (loss) | 230 | 145 | 610 | 966 |
Interest expense, net | 1 | 1 | 2 | 2 |
Provision for (benefit from) income taxes | 0 | 0 | 0 | 0 |
Total assets | 2,844 | 2,881 | 2,844 | 2,881 |
Capital expenditures | 26 | 6 | 78 | 71 |
Morenci [Member] | Intersegment | North America |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 460 | 358 | 1,354 | 1,119 |
Other Individually Immaterial Operating Segments [Member] | Operating Segments | North America |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 40 | 112 | 122 | 211 |
Production and delivery | 414 | 464 | 1,284 | 1,340 |
Depreciation, depletion and amortization | 54 | 78 | 192 | 237 |
Impairment of oil and gas properties |  | 0 |  | 0 |
Selling, general and administrative expenses | 1 | 0 | 2 | 2 |
Mining exploration and research expenses | 0 | 1 | 2 | 2 |
Environmental obligations and shutdown costs (credits) | 0 | 0 | 0 | 0 |
Net gain on sales of assets | 0 | 0 | 0 | 0 |
Operating income (loss) | 119 | 68 | 346 | 224 |
Interest expense, net | 0 | 0 | 1 | 1 |
Provision for (benefit from) income taxes | 0 | 0 | 0 | 0 |
Total assets | 4,223 | 4,540 | 4,223 | 4,540 |
Capital expenditures | 13 | 5 | 28 | 16 |
Other Individually Immaterial Operating Segments [Member] | Operating Segments | South America |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 109 | 112 | 332 | 379 |
Production and delivery | 76 | 91 | 245 | 313 |
Depreciation, depletion and amortization | 18 | 25 | 60 | 83 |
Impairment of oil and gas properties |  | 0 |  | 0 |
Selling, general and administrative expenses | 0 | 1 | 0 | 1 |
Mining exploration and research expenses | 0 | 0 | 0 | 0 |
Environmental obligations and shutdown costs (credits) | 0 | 0 | 0 | 0 |
Net gain on sales of assets | 0 | 0 | 0 | 0 |
Operating income (loss) | 15 | (5) | 27 | (18) |
Interest expense, net | 0 | 0 | 0 | 0 |
Provision for (benefit from) income taxes | 5 | (4) | 10 | (12) |
Total assets | 1,595 | 1,551 | 1,595 | 1,551 |
Capital expenditures | 3 | 1 | 5 | 3 |
Other Individually Immaterial Operating Segments [Member] | Intersegment | North America |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 548 | 499 | 1,704 | 1,594 |
Other Individually Immaterial Operating Segments [Member] | Intersegment | South America |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 0 | 0 | 0 | 0 |
Cerro Verde [Member] | Operating Segments | South America |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 850 | 505 | 2,057 | 1,485 |
Production and delivery | 683 | 333 | 1,450 | 927 |
Depreciation, depletion and amortization | 116 | 109 | 332 | 319 |
Impairment of oil and gas properties |  | 0 |  | 0 |
Selling, general and administrative expenses | 2 | 1 | 7 | 5 |
Mining exploration and research expenses | 0 | 0 | 0 | 0 |
Environmental obligations and shutdown costs (credits) | 0 | 0 | 0 | 0 |
Net gain on sales of assets | 0 | 0 | 0 | 0 |
Operating income (loss) | 113 | 116 | 505 | 389 |
Interest expense, net | 156 | 21 | 187 | 63 |
Provision for (benefit from) income taxes | 134 | 36 | 288 | 126 |
Total assets | 8,851 | 9,139 | 8,851 | 9,139 |
Capital expenditures | 17 | 38 | 60 | 329 |
Cerro Verde [Member] | Intersegment | South America |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 64 | 54 | 237 | 155 |
Grasberg Segment [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Capital expenditures |  |  | 663 | 706 |
Grasberg Segment [Member] | Operating Segments | Indonesia |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 1,121 | 984 | 2,720 | 2,014 |
Production and delivery | 406 | 478 | 1,233 | 1,228 |
Depreciation, depletion and amortization | 136 | 110 | 372 | 284 |
Impairment of oil and gas properties |  | 0 |  | 0 |
Selling, general and administrative expenses | 32 | 24 | 92 | 60 |
Mining exploration and research expenses | 0 | 0 | 0 | 0 |
Environmental obligations and shutdown costs (credits) | 0 | 0 | 0 | 0 |
Net gain on sales of assets | 0 | 0 | 0 | 0 |
Operating income (loss) | 547 | 374 | 1,023 | 501 |
Interest expense, net | 1 | 0 | 1 | 0 |
Provision for (benefit from) income taxes | 233 | 158 | 435 | 212 |
Total assets | 11,100 | 9,718 | 11,100 | 9,718 |
Capital expenditures | 206 | 253 | 663 | 706 |
Grasberg Segment [Member] | Intersegment | Indonesia |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 0 | 2 | 0 | 59 |
Molybdenum [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Capital expenditures |  |  | 4 | 2 |
Molybdenum [Member] | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 0 | 0 | 0 | 0 |
Production and delivery | 58 | 57 | 169 | 159 |
Depreciation, depletion and amortization | 20 | 15 | 58 | 51 |
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 (credits) | 0 | 0 | 0 | 0 |
Net gain on sales of assets | 0 | 0 | 0 | 0 |
Operating income (loss) | (13) | (26) | (28) | (74) |
Interest expense, net | 0 | 0 | 0 | 0 |
Provision for (benefit from) income taxes | 0 | 0 | 0 | 0 |
Total assets | 1,885 | 1,953 | 1,885 | 1,953 |
Capital expenditures | 2 | 1 | 4 | 2 |
Molybdenum [Member] | Intersegment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 65 | 46 | 199 | 136 |
Rod and Refining Segment [Member] | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 1,137 | 930 | 3,290 | 2,820 |
Production and delivery | 1,141 | 931 | 3,299 | 2,820 |
Depreciation, depletion and amortization | 2 | 2 | 7 | 7 |
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 (credits) | 0 | 0 | 0 | 0 |
Net gain on sales of assets | 0 | 0 | 0 | 0 |
Operating income (loss) | 2 | 4 | 6 | 15 |
Interest expense, net | 0 | 0 | 0 | 0 |
Provision for (benefit from) income taxes | 0 | 0 | 0 | 0 |
Total assets | 264 | 238 | 264 | 238 |
Capital expenditures | 1 | 0 | 3 | 1 |
Rod and Refining Segment [Member] | Intersegment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 8 | 7 | 22 | 22 |
Atlantic Copper Smelting and Refining Segment [Member] | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 554 | 445 | 1,412 | 1,360 |
Production and delivery | 533 | 416 | 1,369 | 1,275 |
Depreciation, depletion and amortization | 7 | 7 | 21 | 22 |
Impairment of oil and gas properties |  | 0 |  | 0 |
Selling, general and administrative expenses | 4 | 5 | 13 | 13 |
Mining exploration and research expenses | 0 | 0 | 0 | 0 |
Environmental obligations and shutdown costs (credits) | 0 | 0 | 0 | 0 |
Net gain on sales of assets | 0 | 0 | 0 | 0 |
Operating income (loss) | 11 | 17 | 10 | 53 |
Interest expense, net | 5 | 3 | 13 | 11 |
Provision for (benefit from) income taxes | 1 | 4 | 4 | 5 |
Total assets | 751 | 565 | 751 | 565 |
Capital expenditures | 5 | 5 | 30 | 12 |
Atlantic Copper Smelting and Refining Segment [Member] | Intersegment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 1 | 0 | 1 | 3 |
Corporate And Eliminations [Member] | Corporate And Eliminations [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues |  |  | (3,517) | (3,088) |
Corporate And Eliminations [Member] | Intersegment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | (1,146) | (966) |  |  |
Oil and Gas Operations Segment [Member] | Operating Segments |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total assets | 272 | 3,500 | 272 | 3,500 |
Oil and Gas Operations Segment [Member] | Corporate And Eliminations [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Capital expenditures |  | 160 |  | 1,100 |
Oil and gas drillship settlements, inventory adjustments and asset impairment |  | $ 49 |  |  |
Restructuring Charges |  |  |  | 38 |
Oil and Gas idle rig credits (costs), inventory adjustments and asset impairments |  |  |  | $ 942 |
One-time Termination Benefits [Member] | Grasberg Segment [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Production and delivery |  |  | 112 |  |
Cerro Verde Royalty Dispute [Member] | Royalty Assessments [Member] | Cerro Verde [Member] |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Provision for (benefit from) income taxes | 2 |  |  |  |
Cerro Verde Royalty Dispute [Member] | Royalty Assessments [Member] | Cerro Verde [Member] | Operating Segments | South America |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Production and delivery | 216 |  | 216 |  |
Interest expense, net | 141 |  | 141 |  |
Provision for (benefit from) income taxes | $ 2 |  | $ 2 |  |

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