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Condensed Statement of Operations By Reporting Segment (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Revenues: |  |  |  |  |
Net sales |  | $ 2,864 | $ 2,404 | $ 8,220 | $ 7,107
Other revenues from operations |  | 217 | 181 | 632 | 705
Net gain from investment activities |  | (514) | 420 | 328 | 604
Interest and dividend income |  | 36 | 34 | 99 | 94
Gain on disposition of assets, net |  | 65 | 446 | 65 | 1,969
Other income (loss), net |  | 17 | 19 | 83 | (11)
Total Revenues |  | 2,685 | 3,504 | 9,427 | 10,468
Expenses: |  |  |  |  |
Cost of goods sold |  | 2,406 | 2,054 | 7,007 | 6,174
Other expenses from operations |  | 173 | 144 | 490 | 469
Selling, general and administrative |  | 340 | 323 | 1,042 | 945
Restructuring, net |  | 17 | 1 | 20 | 3
Impairment |  | 0 | 0 | 7 | 76
Interest expense |  | 130 | 164 | 407 | 525
Total Expenses |  | 3,066 | 2,686 | 8,973 | 8,192
Income (loss) from continuing operations before income tax benefit (expense) |  | (381) | 818 | 454 | 2,276
Income tax benefit (expense) |  | 71 | (18) | 57 | (13)
Income (loss) from continuing operations |  | (310) | 800 | 511 | 2,263
Less: net income (loss) attributable to non-controlling interests |  | (281) | 223 | 268 | 236
Supplemental information: |  |  |  |  |
Capital expenditures |  | 127 | 102 | 276 | 333
Depreciation and amortization(1) | [1] | 124 | 130 | 384 | 398
Amortization included in interest expense |  | 3 | 2 | 5 | 8
Net (loss) income attributable to Icahn Enterprises from continuing operations |  | (29) | 577 | 243 | 2,027
Investment Segment |  |  |  |  |
Revenues: |  |  |  |  |
Net sales |  | 0 | 0 | 0 | 0
Other revenues from operations |  | 0 | 0 | 0 | 0
Net gain from investment activities |  | (549) | 386 | 233 | 552
Interest and dividend income |  | 27 | 27 | 73 | 80
Gain on disposition of assets, net |  | 0 | 0 | 0 | 0
Other income (loss), net |  | 0 | (9) | (1) | (50)
Total Revenues |  | (522) | 404 | 305 | 582
Expenses: |  |  |  |  |
Cost of goods sold |  | 0 | 0 | 0 | 0
Other expenses from operations |  | 0 | 0 | 0 | 0
Selling, general and administrative |  | 4 | 3 | 6 | 8
Restructuring, net |  | 0 | 0 | 0 | 0
Impairment |  | 0 | 0 | 0 | 0
Interest expense |  | 6 | 42 | 33 | 134
Total Expenses |  | 10 | 45 | 39 | 142
Income (loss) from continuing operations before income tax benefit (expense) |  | (532) | 359 | 266 | 440
Income tax benefit (expense) |  | 0 | 0 | 0 | 0
Income (loss) from continuing operations |  | (532) | 359 | 266 | 440
Less: net income (loss) attributable to non-controlling interests |  | (326) | 221 | 154 | 228
Supplemental information: |  |  |  |  |
Capital expenditures |  | 0 | 0 | 0 | 0
Depreciation and amortization(1) | [1] | 0 | 0 | 0 | 0
Net (loss) income attributable to Icahn Enterprises from continuing operations |  | (206) | 138 | 112 | 212
Automotive Segment |  |  |  |  |
Revenues: |  |  |  |  |
Net sales |  | 600 | 604 | 1,760 | 1,702
Other revenues from operations |  | 135 | 96 | 398 | 329
Net gain from investment activities |  | 0 | 0 | 0 | 0
Interest and dividend income |  | 0 | 0 | 0 | 0
Gain on disposition of assets, net |  | 0 | 1 | 0 | 4
Other income (loss), net |  | (2) | (1) | (2) | 0
Total Revenues |  | 733 | 700 | 2,156 | 2,035
Expenses: |  |  |  |  |
Cost of goods sold |  | 373 | 396 | 1,119 | 1,125
Other expenses from operations |  | 123 | 107 | 352 | 326
Selling, general and administrative |  | 253 | 229 | 769 | 657
Restructuring, net |  | 4 | 0 | 4 | 0
Impairment |  | 0 | (1) | 3 | 6
Interest expense |  | 4 | 2 | 12 | 10
Total Expenses |  | 757 | 733 | 2,259 | 2,124
Income (loss) from continuing operations before income tax benefit (expense) |  | (24) | (33) | (103) | (89)
Income tax benefit (expense) |  | (11) | (17) | (38) | (53)
Income (loss) from continuing operations |  | (13) | (16) | (65) | (36)
Less: net income (loss) attributable to non-controlling interests |  | 0 | 0 | 0 | 0
Supplemental information: |  |  |  |  |
Capital expenditures |  | 16 | 22 | 53 | 57
Depreciation and amortization(1) | [1] | 23 | 26 | 72 | 81
Net (loss) income attributable to Icahn Enterprises from continuing operations |  | (13) | (16) | (65) | (36)
Energy Segment |  |  |  |  |
Revenues: |  |  |  |  |
Net sales |  | 1,935 | 1,454 | 5,386 | 4,395
Other revenues from operations |  | 0 | 0 | 0 | 0
Net gain from investment activities |  | 0 | 0 | 0 | 0
Interest and dividend income |  | 0 | 1 | 1 | 1
Gain on disposition of assets, net |  | 0 | (1) | (5) | (2)
Other income (loss), net |  | 8 | (16) | 81 | (3)
Total Revenues |  | 1,943 | 1,438 | 5,463 | 4,391
Expenses: |  |  |  |  |
Cost of goods sold |  | 1,742 | 1,357 | 4,948 | 4,191
Other expenses from operations |  | 0 | 0 | 0 | 0
Selling, general and administrative |  | 31 | 35 | 102 | 105
Restructuring, net |  | 4 | 0 | 4 | 0
Impairment |  | 0 | 0 | 0 | 0
Interest expense |  | 26 | 28 | 80 | 82
Total Expenses |  | 1,803 | 1,420 | 5,134 | 4,378
Income (loss) from continuing operations before income tax benefit (expense) |  | 140 | 18 | 329 | 13
Income tax benefit (expense) |  | 31 | 2 | 60 | (2)
Income (loss) from continuing operations |  | 109 | 16 | 269 | 15
Less: net income (loss) attributable to non-controlling interests |  | 43 | (2) | 106 | (7)
Supplemental information: |  |  |  |  |
Capital expenditures |  | 26 | 23 | 68 | 80
Depreciation and amortization(1) | [1] | 67 | 70 | 207 | 208
Net (loss) income attributable to Icahn Enterprises from continuing operations |  | 66 | 18 | 163 | 22
Railcar Segment |  |  |  |  |
Revenues: |  |  |  |  |
Net sales |  | 40 | 68 | 194 | 184
Other revenues from operations |  | 60 | 66 | 169 | 320
Net gain from investment activities |  | 0 | 0 | 0 | 2
Interest and dividend income |  | 0 | 1 | 1 | 2
Gain on disposition of assets, net |  | 0 | (10) | 5 | 1,511
Other income (loss), net |  | 11 | 1 | 13 | 2
Total Revenues |  | 111 | 126 | 382 | 2,021
Expenses: |  |  |  |  |
Cost of goods sold |  | 42 | 65 | 184 | 170
Other expenses from operations |  | 36 | 25 | 97 | 107
Selling, general and administrative |  | 11 | 9 | 31 | 38
Restructuring, net |  | 0 | 0 | 0 | 0
Impairment |  | 0 | 1 | 4 | 68
Interest expense |  | 5 | 5 | 16 | 39
Total Expenses |  | 94 | 105 | 332 | 422
Income (loss) from continuing operations before income tax benefit (expense) |  | 17 | 21 | 50 | 1,599
Income tax benefit (expense) |  | 4 | 6 | 14 | 525
Income (loss) from continuing operations |  | 13 | 15 | 36 | 1,074
Less: net income (loss) attributable to non-controlling interests |  | 5 | 3 | 13 | 11
Supplemental information: |  |  |  |  |
Capital expenditures |  | 57 | 30 | 81 | 139
Depreciation and amortization(1) | [1] | 15 | 15 | 46 | 51
Net (loss) income attributable to Icahn Enterprises from continuing operations |  | 8 | 12 | 23 | 1,063
Metals Segment |  |  |  |  |
Revenues: |  |  |  |  |
Net sales |  | 120 | 110 | 370 | 315
Other revenues from operations |  | 0 | 0 | 0 | 0
Net gain from investment activities |  | 0 | 0 | 0 | 0
Interest and dividend income |  | 0 | 0 | 0 | 0
Gain on disposition of assets, net |  | 0 | 0 | 0 | 0
Other income (loss), net |  | 1 | (1) | 1 | (1)
Total Revenues |  | 121 | 109 | 371 | 314
Expenses: |  |  |  |  |
Cost of goods sold |  | 115 | 105 | 349 | 299
Other expenses from operations |  | 0 | 0 | 0 | 0
Selling, general and administrative |  | 5 | 5 | 14 | 14
Restructuring, net |  | 0 | 0 | 0 | 0
Impairment |  | 0 | 0 | 0 | 0
Interest expense |  | 0 | 0 | 0 | 0
Total Expenses |  | 120 | 110 | 363 | 313
Income (loss) from continuing operations before income tax benefit (expense) |  | 1 | (1) | 8 | 1
Income tax benefit (expense) |  | 0 | (2) | 0 | (3)
Income (loss) from continuing operations |  | 1 | 1 | 8 | 4
Less: net income (loss) attributable to non-controlling interests |  | 0 | 0 | 0 | 0
Supplemental information: |  |  |  |  |
Capital expenditures |  | 8 | 2 | 10 | 4
Depreciation and amortization(1) | [1] | 4 | 5 | 13 | 15
Net (loss) income attributable to Icahn Enterprises from continuing operations |  | 1 | 1 | 8 | 4
Mining Segment |  |  |  |  |
Revenues: |  |  |  |  |
Net sales |  | 26 | 21 | 72 | 76
Other revenues from operations |  | 0 | 0 | 0 | 0
Net gain from investment activities |  | 0 | 0 | 0 | 0
Interest and dividend income |  | 1 | 0 | 1 | 1
Gain on disposition of assets, net |  | (2) | 0 | (2) | 0
Other income (loss), net |  | 2 | (2) | 7 | (3)
Total Revenues |  | 27 | 19 | 78 | 74
Expenses: |  |  |  |  |
Cost of goods sold |  | 18 | 15 | 54 | 45
Other expenses from operations |  | 0 | 0 | 0 | 0
Selling, general and administrative |  | 6 | 4 | 18 | 12
Restructuring, net |  | 0 | 0 | 0 | 0
Impairment |  | 0 | 0 | 0 | 0
Interest expense |  | 0 | 2 | 2 | 5
Total Expenses |  | 24 | 21 | 74 | 62
Income (loss) from continuing operations before income tax benefit (expense) |  | 3 | (2) | 4 | 12
Income tax benefit (expense) |  | 0 | 0 | 2 | 2
Income (loss) from continuing operations |  | 3 | (2) | 2 | 10
Less: net income (loss) attributable to non-controlling interests |  | 0 | 0 | (1) | 2
Supplemental information: |  |  |  |  |
Capital expenditures |  | 9 | 10 | 32 | 27
Depreciation and amortization(1) | [1] | 2 | 2 | 6 | 4
Net (loss) income attributable to Icahn Enterprises from continuing operations |  | 3 | (2) | 3 | 8
Food Packaging Segment |  |  |  |  |
Revenues: |  |  |  |  |
Net sales |  | 98 | 99 | 299 | 288
Other revenues from operations |  | 0 | 0 | 0 | 0
Net gain from investment activities |  | 0 | 0 | 0 | 0
Interest and dividend income |  | 1 | 0 | 1 | 0
Gain on disposition of assets, net |  | 0 | 0 | 0 | 0
Other income (loss), net |  | (2) | 3 | (15) | 0
Total Revenues |  | 97 | 102 | 285 | 288
Expenses: |  |  |  |  |
Cost of goods sold |  | 77 | 75 | 234 | 218
Other expenses from operations |  | 0 | 0 | 0 | 0
Selling, general and administrative |  | 14 | 13 | 44 | 44
Restructuring, net |  | 10 | 1 | 10 | 3
Impairment |  | 0 | 0 | 0 | 0
Interest expense |  | 5 | 3 | 12 | 10
Total Expenses |  | 106 | 92 | 300 | 275
Income (loss) from continuing operations before income tax benefit (expense) |  | (9) | 10 | (15) | 13
Income tax benefit (expense) |  | 2 | 4 | 0 | 5
Income (loss) from continuing operations |  | (11) | 6 | (15) | 8
Less: net income (loss) attributable to non-controlling interests |  | (2) | 1 | (3) | 2
Supplemental information: |  |  |  |  |
Capital expenditures |  | 8 | 6 | 19 | 15
Depreciation and amortization(1) | [1] | 6 | 5 | 19 | 18
Net (loss) income attributable to Icahn Enterprises from continuing operations |  | (9) | 5 | (12) | 6
Real Estate Segment |  |  |  |  |
Revenues: |  |  |  |  |
Net sales |  | 7 | 2 | 14 | 9
Other revenues from operations |  | 22 | 19 | 65 | 56
Net gain from investment activities |  | 0 | 0 | 0 | 0
Interest and dividend income |  | 5 | 2 | 15 | 2
Gain on disposition of assets, net |  | 67 | 456 | 67 | 456
Other income (loss), net |  | 0 | 39 | 0 | 39
Total Revenues |  | 101 | 518 | 161 | 562
Expenses: |  |  |  |  |
Cost of goods sold |  | 6 | 2 | 11 | 7
Other expenses from operations |  | 14 | 12 | 41 | 36
Selling, general and administrative |  | 2 | 6 | 15 | 16
Restructuring, net |  | 0 | 0 | 0 | 0
Impairment |  | 0 | 0 | 0 | 2
Interest expense |  | 0 | 0 | 1 | 1
Total Expenses |  | 22 | 20 | 68 | 62
Income (loss) from continuing operations before income tax benefit (expense) |  | 79 | 498 | 93 | 500
Income tax benefit (expense) |  | 6 | 0 | 6 | 0
Income (loss) from continuing operations |  | 73 | 498 | 87 | 500
Less: net income (loss) attributable to non-controlling interests |  | 0 | 0 | 0 | 0
Supplemental information: |  |  |  |  |
Capital expenditures |  | 2 | 7 | 9 | 7
Depreciation and amortization(1) | [1] | 5 | 5 | 15 | 15
Net (loss) income attributable to Icahn Enterprises from continuing operations |  | 73 | 498 | 87 | 500
Home Fashion Segment |  |  |  |  |
Revenues: |  |  |  |  |
Net sales |  | 38 | 46 | 125 | 138
Other revenues from operations |  | 0 | 0 | 0 | 0
Net gain from investment activities |  | 0 | 0 | 0 | 0
Interest and dividend income |  | 0 | 0 | 0 | 0
Gain on disposition of assets, net |  | 0 | 0 | 0 | 0
Other income (loss), net |  | 0 | 0 | 1 | 0
Total Revenues |  | 38 | 46 | 126 | 138
Expenses: |  |  |  |  |
Cost of goods sold |  | 33 | 39 | 108 | 119
Other expenses from operations |  | 0 | 0 | 0 | 0
Selling, general and administrative |  | 8 | 11 | 26 | 30
Restructuring, net |  | (1) | 0 | 2 | 0
Impairment |  | 0 | 0 | 0 | 0
Interest expense |  | 0 | 0 | 0 | 0
Total Expenses |  | 40 | 50 | 136 | 149
Income (loss) from continuing operations before income tax benefit (expense) |  | (2) | (4) | (10) | (11)
Income tax benefit (expense) |  | 0 | 0 | 0 | 0
Income (loss) from continuing operations |  | (2) | (4) | (10) | (11)
Less: net income (loss) attributable to non-controlling interests |  | 0 | 0 | 0 | 0
Supplemental information: |  |  |  |  |
Capital expenditures |  | 1 | 2 | 4 | 4
Depreciation and amortization(1) | [1] | 2 | 2 | 6 | 6
Net (loss) income attributable to Icahn Enterprises from continuing operations |  | (2) | (4) | (10) | (11)
Holding Company |  |  |  |  |
Revenues: |  |  |  |  |
Net sales |  | 0 | 0 | 0 | 0
Other revenues from operations |  | 0 | 0 | 0 | 0
Net gain from investment activities |  | 35 | 34 | 95 | 50
Interest and dividend income |  | 2 | 3 | 7 | 8
Gain on disposition of assets, net |  | 0 | 0 | 0 | 0
Other income (loss), net |  | (1) | 5 | (2) | 5
Total Revenues |  | 36 | 42 | 100 | 63
Expenses: |  |  |  |  |
Cost of goods sold |  | 0 | 0 | 0 | 0
Other expenses from operations |  | 0 | 0 | 0 | 0
Selling, general and administrative |  | 6 | 8 | 17 | 21
Restructuring, net |  | 0 | 0 | 0 | 0
Impairment |  | 0 | 0 | 0 | 0
Interest expense |  | 84 | 82 | 251 | 244
Total Expenses |  | 90 | 90 | 268 | 265
Income (loss) from continuing operations before income tax benefit (expense) |  | (54) | (48) | (168) | (202)
Income tax benefit (expense) |  | (103) | 25 | (101) | (461)
Income (loss) from continuing operations |  | 49 | (73) | (67) | 259
Less: net income (loss) attributable to non-controlling interests |  | (1) | 0 | (1) | 0
Supplemental information: |  |  |  |  |
Capital expenditures |  | 0 | 0 | 0 | 0
Depreciation and amortization(1) | [1] | 0 | 0 | 0 | 0
Net (loss) income attributable to Icahn Enterprises from continuing operations |  | $ 50 | $ (73) | $ (66) | $ 259
[1] | Excludes amounts related to the amortization of deferred financing costs and debt discounts and premiums included in interest expense in the amounts of $3 million and $2 million for the three months ended September 30, 2018 and 2017, respectively, and $5 million and $8 million for the nine months ended September 30, 2018 and 2017, respectively.

X
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.1-5) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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