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BUSINESS SEGMENTS INFORMATION (Segment Reporting) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 4,377 | $ 3,877 | $ 3,334 | $ 3,242 | $ 3,516 | $ 3,382 | $ 3,938 | $ 3,771 | $ 14,830 | $ 14,607 | $ 20,001
Production and delivery |  |  |  |  |  |  |  |  | 10,697 | 10,693 | 11,116
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 2,530 | 3,240 | 3,635
Impairment of oil and gas properties |  | 239 | 291 | 3,800 | 3,700 | 3,700 | 2,700 | 3,100 | 4,317 | 13,144 | 3,737
Metals inventory adjustments | 9 | 20 | 2 | 5 | 184 | 91 | 59 | 4 | 36 | 338 | 6
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 607 | 558 | 580
Mining exploration and research expenses |  |  |  |  |  |  |  |  | 64 | 107 | 106
Environmental obligations and shutdown costs |  |  |  |  |  |  |  |  | 20 | 78 | 119
Goodwill impairment |  |  |  |  |  |  |  |  | 0 | 0 | 1,717
Net gain on sales of assets | 113 |  | (13) | (749) |  |  |  | (39) | (649) | (39) | (717)
Operating income (loss) | 703 | 359 | $ 18 | $ (3,872) | (4,097) | (3,964) | $ (2,421) | $ (3,030) | (2,792) | (13,512) | (298)
Interest expense, net |  |  |  |  |  |  |  |  | 755 | 617 | 606
Provision for (benefit from) income taxes |  |  |  |  |  |  |  |  | 371 | (1,951) | 225
Total assets | 37,317 |  |  |  | 46,577 |  |  |  | 37,317 | 46,577 | 58,674
Capital expenditures |  |  |  |  |  |  |  |  | 2,813 | 6,353 | 7,215
Restructuring and asset impairment charges | 16 | $ 17 |  |  | 53 | $ 92 |  |  | 33 | 145 |
Oil and Gas idle rig costs, inventory adjustments and asset impairments |  |  |  |  |  |  |  |  | 1,000 |  |
Selling, General and Administrative Expenses |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring charges |  |  |  |  |  |  |  |  | (85) |  |
Cerro Verde |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring and asset impairment charges |  |  |  |  |  |  |  |  | 16 |  |
Grasberg |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  | 1,025 | 901 | 935
Molybdenum |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  | 2 | 13 | 54
U.S. Oil & Gas Operations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  | 1,127 | 2,948 | 3,205
South America |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  | 382 | 1,722 | 1,785
Indonesia |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 1,402 | 1,054 | 1,792
Restructuring and asset impairment charges |  |  |  |  |  |  |  |  | 17 |  |
Operating Segments | Total Mining |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 13,317 | 12,612 | 15,291
Production and delivery |  |  |  |  |  |  |  |  | 8,843 | 9,483 | 9,877
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 1,647 | 1,422 | 1,330
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 0 | 0 | 0
Metals inventory adjustments |  |  |  |  |  |  |  |  | 36 | 338 | 6
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 136 | 149 | 151
Mining exploration and research expenses |  |  |  |  |  |  |  |  | 64 | 107 | 106
Environmental obligations and shutdown costs |  |  |  |  |  |  |  |  | 19 | 77 | 118
Goodwill impairment |  |  |  |  |  |  |  |  |  |  | 0
Net gain on sales of assets |  |  |  |  |  |  |  |  | (643) | (39) | (717)
Operating income (loss) |  |  |  |  |  |  |  |  | 3,215 | 1,075 | 4,420
Interest expense, net |  |  |  |  |  |  |  |  | 181 | 105 | 102
Provision for (benefit from) income taxes |  |  |  |  |  |  |  |  | 658 | 199 | 1,045
Total assets | 33,130 |  |  |  | 38,155 |  |  |  | 33,130 | 38,155 | 37,120
Capital expenditures |  |  |  |  |  |  |  |  | 1,638 | 3,295 | 3,981
Operating Segments | Molybdenum |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 0 | 0 | 0
Production and delivery |  |  |  |  |  |  |  |  | 199 | 312 | 328
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 68 | 97 | 92
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 0 | 0 | 0
Metals inventory adjustments |  |  |  |  |  |  |  |  | 15 | 11 | 0
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 0 | 0 | 0
Mining exploration and research expenses |  |  |  |  |  |  |  |  | 0 | 0 | 0
Environmental obligations and shutdown costs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Goodwill impairment |  |  |  |  |  |  |  |  |  |  | 0
Net gain on sales of assets |  |  |  |  |  |  |  |  | 0 | 0 | 0
Operating income (loss) |  |  |  |  |  |  |  |  | (96) | (72) | 167
Interest expense, net |  |  |  |  |  |  |  |  | 0 | 0 | 0
Provision for (benefit from) income taxes |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total assets | 1,934 |  |  |  | 1,999 |  |  |  | 1,934 | 1,999 | 2,095
Capital expenditures |  |  |  |  |  |  |  |  | 2 | 13 | 54
Restructuring and asset impairment charges |  |  |  |  |  |  |  |  |  | 7 |
Operating Segments | Rod & Refining |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 3,833 | 4,125 | 4,626
Production and delivery |  |  |  |  |  |  |  |  | 3,836 | 4,129 | 4,633
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 10 | 9 | 10
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 0 | 0 | 0
Metals inventory adjustments |  |  |  |  |  |  |  |  | 0 | 0 | 0
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 0 | 0 | 0
Mining exploration and research expenses |  |  |  |  |  |  |  |  | 0 | 0 | 0
Environmental obligations and shutdown costs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Goodwill impairment |  |  |  |  |  |  |  |  |  |  | 0
Net gain on sales of assets |  |  |  |  |  |  |  |  | 0 | 0 | 0
Operating income (loss) |  |  |  |  |  |  |  |  | 16 | 16 | 12
Interest expense, net |  |  |  |  |  |  |  |  | 0 | 0 | 0
Provision for (benefit from) income taxes |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total assets | 220 |  |  |  | 219 |  |  |  | 220 | 219 | 235
Capital expenditures |  |  |  |  |  |  |  |  | 1 | 4 | 4
Restructuring and asset impairment charges |  |  |  |  |  |  |  |  |  | 3 |
Operating Segments | Atlantic Copper Smelting & Refining |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 1,825 | 1,955 | 2,391
Production and delivery |  |  |  |  |  |  |  |  | 1,712 | 1,848 | 2,356
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 29 | 39 | 41
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 0 | 0 | 0
Metals inventory adjustments |  |  |  |  |  |  |  |  | 0 | 0 | 0
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 17 | 16 | 17
Mining exploration and research expenses |  |  |  |  |  |  |  |  | 0 | 0 | 0
Environmental obligations and shutdown costs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Goodwill impairment |  |  |  |  |  |  |  |  |  |  | 0
Net gain on sales of assets |  |  |  |  |  |  |  |  | 0 | 0 | 0
Operating income (loss) |  |  |  |  |  |  |  |  | 72 | 67 | (2)
Interest expense, net |  |  |  |  |  |  |  |  | 15 | 10 | 13
Provision for (benefit from) income taxes |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total assets | 658 |  |  |  | 612 |  |  |  | 658 | 612 | 898
Capital expenditures |  |  |  |  |  |  |  |  | 17 | 23 | 17
Operating Segments | U.S. Oil & Gas Operations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 1,513 | 1,994 | 4,710
Production and delivery |  |  |  |  |  |  |  |  | 1,801 | 1,211 | 1,237
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 869 | 1,804 | 2,291
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 4,299 | 12,980 | 3,737
Metals inventory adjustments |  |  |  |  |  |  |  |  | 0 | 0 | 0
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 254 | 188 | 207
Mining exploration and research expenses |  |  |  |  |  |  |  |  | 0 | 0 | 0
Environmental obligations and shutdown costs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Goodwill impairment |  |  |  |  |  |  |  |  |  |  | 1,717
Net gain on sales of assets |  |  |  |  |  |  |  |  | 1 | 0 | 0
Operating income (loss) |  |  |  |  |  |  |  |  | (5,711) | (14,189) | (4,479)
Interest expense, net |  |  |  |  |  |  |  |  | 369 | 186 | 241
Provision for (benefit from) income taxes |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total assets | 467 |  |  |  | 8,141 |  |  |  | 467 | 8,141 | 20,834
Capital expenditures |  |  |  |  |  |  |  |  | 1,127 | 2,948 | 3,205
Gain (loss) on energy contracts |  |  |  |  |  |  |  |  | (35) | 87 | 505
Charges at oil and gas operations, before tax |  |  |  |  |  |  |  |  |  |  | 46
Operating Segments | North America |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 684 | 909 | 700
Production and delivery |  |  |  |  |  |  |  |  | 2,932 | 3,799 | 3,440
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 530 | 560 | 484
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 0 | 0 | 0
Metals inventory adjustments |  |  |  |  |  |  |  |  | 1 | 142 | 0
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 5 | 6 | 5
Mining exploration and research expenses |  |  |  |  |  |  |  |  | 3 | 7 | 8
Environmental obligations and shutdown costs |  |  |  |  |  |  |  |  | 0 | 3 | (5)
Goodwill impairment |  |  |  |  |  |  |  |  |  |  | 0
Net gain on sales of assets |  |  |  |  |  |  |  |  | (576) | (39) | (14)
Operating income (loss) |  |  |  |  |  |  |  |  | 1,479 | 648 | 1,698
Interest expense, net |  |  |  |  |  |  |  |  | 4 | 4 | 4
Provision for (benefit from) income taxes |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total assets | 7,311 |  |  |  | 8,445 |  |  |  | 7,311 | 8,445 | 9,391
Capital expenditures |  |  |  |  |  |  |  |  | 102 | 355 | 969
Operating Segments | North America | Morenci |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 444 | 558 | 364
Production and delivery |  |  |  |  |  |  |  |  | 1,169 | 1,523 | 1,287
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 217 | 217 | 168
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 0 | 0 | 0
Metals inventory adjustments |  |  |  |  |  |  |  |  | 0 | 0 | 0
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 2 | 3 | 2
Mining exploration and research expenses |  |  |  |  |  |  |  |  | 0 | 0 | 0
Environmental obligations and shutdown costs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Goodwill impairment |  |  |  |  |  |  |  |  |  |  | 0
Net gain on sales of assets |  |  |  |  |  |  |  |  | (576) | 0 | 0
Operating income (loss) |  |  |  |  |  |  |  |  | 1,143 | 461 | 659
Interest expense, net |  |  |  |  |  |  |  |  | 3 | 2 | 3
Provision for (benefit from) income taxes |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total assets | 2,863 |  |  |  | 3,567 |  |  |  | 2,863 | 3,567 | 3,780
Capital expenditures |  |  |  |  |  |  |  |  | 77 | 253 | 826
Operating Segments | North America | Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 240 | 351 | 336
Production and delivery |  |  |  |  |  |  |  |  | 1,763 | 2,276 | 2,153
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 313 | 343 | 316
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 0 | 0 | 0
Metals inventory adjustments |  |  |  |  |  |  |  |  | 1 | 142 | 0
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 3 | 3 | 3
Mining exploration and research expenses |  |  |  |  |  |  |  |  | 3 | 7 | 8
Environmental obligations and shutdown costs |  |  |  |  |  |  |  |  | 0 | 3 | (5)
Goodwill impairment |  |  |  |  |  |  |  |  |  |  | 0
Net gain on sales of assets |  |  |  |  |  |  |  |  | 0 | (39) | (14)
Operating income (loss) |  |  |  |  |  |  |  |  | 336 | 187 | 1,039
Interest expense, net |  |  |  |  |  |  |  |  | 1 | 2 | 1
Provision for (benefit from) income taxes |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total assets | 4,448 |  |  |  | 4,878 |  |  |  | 4,448 | 4,878 | 5,611
Capital expenditures |  |  |  |  |  |  |  |  | 25 | 102 | 143
Restructuring and asset impairment charges |  |  |  |  |  |  |  |  |  | 99 |
Operating Segments | South America |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 2,751 | 1,873 | 3,022
Production and delivery |  |  |  |  |  |  |  |  | 1,758 | 1,438 | 1,939
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 553 | 352 | 367
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 0 | 0 | 0
Metals inventory adjustments |  |  |  |  |  |  |  |  | 0 | 73 | 0
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 9 | 4 | 6
Mining exploration and research expenses |  |  |  |  |  |  |  |  | 0 | 0 | 0
Environmental obligations and shutdown costs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Goodwill impairment |  |  |  |  |  |  |  |  |  |  | 0
Net gain on sales of assets |  |  |  |  |  |  |  |  | 0 | 0 | 0
Operating income (loss) |  |  |  |  |  |  |  |  | 618 | 67 | 1,220
Interest expense, net |  |  |  |  |  |  |  |  | 82 | 16 | 1
Provision for (benefit from) income taxes |  |  |  |  |  |  |  |  | 216 | 4 | 531
Total assets | 10,609 |  |  |  | 11,106 |  |  |  | 10,609 | 11,106 | 9,483
Capital expenditures |  |  |  |  |  |  |  |  | 382 | 1,722 | 1,785
Restructuring and asset impairment charges |  |  |  |  |  |  |  |  |  | 13 |
Operating Segments | South America | Cerro Verde |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 2,241 | 1,065 | 1,282
Production and delivery |  |  |  |  |  |  |  |  | 1,351 | 815 | 741
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 443 | 219 | 159
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 0 | 0 | 0
Metals inventory adjustments |  |  |  |  |  |  |  |  | 0 | 0 | 0
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 8 | 3 | 3
Mining exploration and research expenses |  |  |  |  |  |  |  |  | 0 | 0 | 0
Environmental obligations and shutdown costs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Goodwill impairment |  |  |  |  |  |  |  |  |  |  | 0
Net gain on sales of assets |  |  |  |  |  |  |  |  | 0 | 0 | 0
Operating income (loss) |  |  |  |  |  |  |  |  | 626 | 96 | 585
Interest expense, net |  |  |  |  |  |  |  |  | 82 | 16 | 1
Provision for (benefit from) income taxes |  |  |  |  |  |  |  |  | 222 | 13 | 265
Total assets | 9,076 |  |  |  | 9,445 |  |  |  | 9,076 | 9,445 | 7,490
Capital expenditures |  |  |  |  |  |  |  |  | 380 | 1,674 | 1,691
Operating Segments | South America | Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 510 | 808 | 1,740
Production and delivery |  |  |  |  |  |  |  |  | 407 | 623 | 1,198
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 110 | 133 | 208
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 0 | 0 | 0
Metals inventory adjustments |  |  |  |  |  |  |  |  | 0 | 73 | 0
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 1 | 1 | 3
Mining exploration and research expenses |  |  |  |  |  |  |  |  | 0 | 0 | 0
Environmental obligations and shutdown costs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Goodwill impairment |  |  |  |  |  |  |  |  |  |  | 0
Net gain on sales of assets |  |  |  |  |  |  |  |  | 0 | 0 | 0
Operating income (loss) |  |  |  |  |  |  |  |  | (8) | (29) | 635
Interest expense, net |  |  |  |  |  |  |  |  | 0 | 0 | 0
Provision for (benefit from) income taxes |  |  |  |  |  |  |  |  | (6) | (9) | 266
Total assets | 1,533 |  |  |  | 1,661 |  |  |  | 1,533 | 1,661 | 1,993
Capital expenditures |  |  |  |  |  |  |  |  | 2 | 48 | 94
Operating Segments | Indonesia | Grasberg |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 3,233 | 2,617 | 2,848
Production and delivery |  |  |  |  |  |  |  |  | 1,794 | 1,808 | 1,988
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 384 | 293 | 266
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 0 | 0 | 0
Metals inventory adjustments |  |  |  |  |  |  |  |  | 0 | 0 | 0
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 90 | 103 | 98
Mining exploration and research expenses |  |  |  |  |  |  |  |  | 0 | 0 | 0
Environmental obligations and shutdown costs |  |  |  |  |  |  |  |  | 0 | 0 | 0
Goodwill impairment |  |  |  |  |  |  |  |  |  |  | 0
Net gain on sales of assets |  |  |  |  |  |  |  |  | 0 | 0 | 0
Operating income (loss) |  |  |  |  |  |  |  |  | 1,027 | 449 | 719
Interest expense, net |  |  |  |  |  |  |  |  | 0 | 0 | 0
Provision for (benefit from) income taxes |  |  |  |  |  |  |  |  | 442 | 195 | 293
Total assets | 10,954 |  |  |  | 9,357 |  |  |  | 10,954 | 9,357 | 8,592
Capital expenditures |  |  |  |  |  |  |  |  | 1,025 | 901 | 935
Other Mining & Eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 991 | 1,133 | 1,704
Production and delivery |  |  |  |  |  |  |  |  | (3,388) | (3,851) | (4,807)
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 73 | 72 | 70
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 0 | 0 | 0
Metals inventory adjustments |  |  |  |  |  |  |  |  | 20 | 112 | 6
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 15 | 20 | 25
Mining exploration and research expenses |  |  |  |  |  |  |  |  | 61 | 100 | 98
Environmental obligations and shutdown costs |  |  |  |  |  |  |  |  | 19 | 74 | 123
Goodwill impairment |  |  |  |  |  |  |  |  |  |  | 0
Net gain on sales of assets |  |  |  |  |  |  |  |  | (67) | 0 | (703)
Operating income (loss) |  |  |  |  |  |  |  |  | 99 | (100) | 606
Interest expense, net |  |  |  |  |  |  |  |  | 80 | 75 | 84
Provision for (benefit from) income taxes |  |  |  |  |  |  |  |  | 0 | 0 | 221
Total assets | 1,444 |  |  |  | 6,417 |  |  |  | 1,444 | 6,417 | 6,426
Capital expenditures |  |  |  |  |  |  |  |  | 109 | 277 | 217
Restructuring and asset impairment charges |  |  |  |  |  |  |  |  |  | 20 |
Assets, discontinued operations |  |  |  |  | 4,900 |  |  |  |  | 4,900 | 4,800
Capital expenditures |  |  |  |  |  |  |  |  |  |  | 159
Other Mining & Eliminations | U.S. Oil & Gas Operations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  | 73 | 229 |
Intersegment |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 0 | 0 | (6,286)
Intersegment | Molybdenum |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 186 | 348 | 587
Intersegment | Rod & Refining |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 29 | 29 | 29
Intersegment | Atlantic Copper Smelting & Refining |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 5 | 15 | 21
Intersegment | Other Mining and Eliminations Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | (4,159) | (4,706) |
Intersegment | North America |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 3,690 | 4,217 | 4,916
Intersegment | North America | Morenci |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 1,511 | 1,646 | 1,752
Intersegment | North America | Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 2,179 | 2,571 | 3,164
Intersegment | South America |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 187 | 61 | 510
Intersegment | South America | Cerro Verde |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 187 | 68 | 206
Intersegment | South America | Other |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 0 | (7) | 304
Intersegment | Indonesia | Grasberg |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 62 | 36 | 223
Corporate, Other & Eliminations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 0 | 1 | 0
Production and delivery |  |  |  |  |  |  |  |  | 53 | (1) | 2
Depreciation, depletion and amortization |  |  |  |  |  |  |  |  | 14 | 14 | 14
Impairment of oil and gas properties |  |  |  |  |  |  |  |  | 18 | 164 | 0
Metals inventory adjustments |  |  |  |  |  |  |  |  | 0 | 0 | 0
Selling, general and administrative expenses |  |  |  |  |  |  |  |  | 217 | 221 | 222
Mining exploration and research expenses |  |  |  |  |  |  |  |  | 0 | 0 | 0
Environmental obligations and shutdown costs |  |  |  |  |  |  |  |  | 1 | 1 | 1
Goodwill impairment |  |  |  |  |  |  |  |  |  |  | 0
Net gain on sales of assets |  |  |  |  |  |  |  |  | (7) | 0 | 0
Operating income (loss) |  |  |  |  |  |  |  |  | (296) | (398) | (239)
Interest expense, net |  |  |  |  |  |  |  |  | 205 | 326 | 263
Provision for (benefit from) income taxes |  |  |  |  |  |  |  |  | (287) | (2,150) | (820)
Total assets | $ 3,720 |  |  |  | $ 281 |  |  |  | 3,720 | 281 | 720
Capital expenditures |  |  |  |  |  |  |  |  | 48 | 110 | 29
Restructuring and asset impairment charges |  |  |  |  |  |  |  |  |  | 3 |
Restructuring charges |  |  |  |  |  |  |  |  | (85) |  |
Corporate, Other & Eliminations | U.S. Oil & Gas Operations |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Capital expenditures |  |  |  |  |  |  |  |  | $ 47 | $ 100 | $ 19

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