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Discontinued Operations Income From Discontinued Operations (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Income (loss) from discontinued operations | $ 1,376 | $ 176 | $ 167 | $ 45 | $ 59 | $ 39 | $ 88 | $ 48 | $ 1,764 | $ 234 | $ 65
Income (loss) from discontinued operations attributable to Icahn Enterprises |  |  |  |  |  |  |  |  | 1,720 | 157 | (1)
Capital expenditures |  |  |  |  |  |  |  |  | 125 | 171 | 113
Discontinued operations and held for sale |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 6,221 | 7,985 | 7,771
Other revenues from operations |  |  |  |  |  |  |  |  | 892 | 1,095 | 1,118
Net gain on investment activities |  |  |  |  |  |  |  |  | 0 | 2 | 0
Interest and dividend income |  |  |  |  |  |  |  |  | 5 | 9 | 7
Gain (loss) on disposition of assets, net |  |  |  |  |  |  |  |  | 65 | 6 | 8
Other income, net |  |  |  |  |  |  |  |  | 19 | 61 | 39
Revenue |  |  |  |  |  |  |  |  | 7,202 | 9,158 | 8,943
Cost of goods sold |  |  |  |  |  |  |  |  | 5,214 | 6,802 | 6,581
Other expenses from operations |  |  |  |  |  |  |  |  | 425 | 525 | 528
Selling, general and administrative |  |  |  |  |  |  |  |  | 879 | 1,270 | 1,309
Restructuring, net |  |  |  |  |  |  |  |  | 13 | 21 | 27
Impairment |  |  |  |  |  |  |  |  | 6 | 25 | 123
Interest expense |  |  |  |  |  |  |  |  | 160 | 187 | 186
Costs and expenses |  |  |  |  |  |  |  |  | 6,697 | 8,830 | 8,754
Income (loss) from discontinued operations before gain (loss) on sale and income tax (expense) benefit |  |  |  |  |  |  |  |  | 505 | 328 | 189
Gain (loss) on sale of discontinued operations |  |  |  |  |  |  |  |  | 1,430 | (3) | 0
Income (loss) from discontinued operations before income tax (expense) benefit |  |  |  |  |  |  |  |  | 1,935 | 325 | 189
Income tax (expense) benefit |  |  |  |  |  |  |  |  | (171) | (91) | (124)
Income (loss) from discontinued operations |  |  |  |  |  |  |  |  | 1,764 | 234 | 65
Less: income from discontinued operations attributable to non-controlling interests |  |  |  |  |  |  |  |  | 44 | 77 | 66
Income (loss) from discontinued operations attributable to Icahn Enterprises |  |  |  |  |  |  |  |  | 1,720 | 157 | (1)
Capital expenditures |  |  |  |  |  |  |  |  | 486 | 676 | 579
Depreciation and amortization |  |  |  |  |  |  |  |  | 166 | 528 | 488
Federal-Mogul | Discontinued operations and held for sale |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 5,993 | 7,720 | 7,341
Other revenues from operations |  |  |  |  |  |  |  |  | 0 | 0 | 0
Net gain on investment activities |  |  |  |  |  |  |  |  | 0 | 0 | 0
Interest and dividend income |  |  |  |  |  |  |  |  | 2 | 6 | 4
Gain (loss) on disposition of assets, net |  |  |  |  |  |  |  |  | 65 | 7 | 8
Other income, net |  |  |  |  |  |  |  |  | 5 | 31 | 31
Revenue |  |  |  |  |  |  |  |  | 6,065 | 7,764 | 7,384
Cost of goods sold |  |  |  |  |  |  |  |  | 4,999 | 6,553 | 6,215
Other expenses from operations |  |  |  |  |  |  |  |  | 0 | 0 | 0
Selling, general and administrative |  |  |  |  |  |  |  |  | 601 | 862 | 845
Restructuring, net |  |  |  |  |  |  |  |  | 13 | 21 | 27
Impairment |  |  |  |  |  |  |  |  | 2 | 25 | 17
Interest expense |  |  |  |  |  |  |  |  | 137 | 154 | 150
Costs and expenses |  |  |  |  |  |  |  |  | 5,752 | 7,615 | 7,254
Income (loss) from discontinued operations before gain (loss) on sale and income tax (expense) benefit |  |  |  |  |  |  |  |  | 313 | 149 | 130
Gain (loss) on sale of discontinued operations |  |  |  |  |  |  |  |  | 251 | 0 | 0
Income (loss) from discontinued operations before income tax (expense) benefit |  |  |  |  |  |  |  |  | 564 | 149 | 130
Income tax (expense) benefit |  |  |  |  |  |  |  |  | (69) | (33) | (43)
Income (loss) from discontinued operations |  |  |  |  |  |  |  |  | 495 | 116 | 87
Less: income from discontinued operations attributable to non-controlling interests |  |  |  |  |  |  |  |  | 7 | 11 | 24
Income (loss) from discontinued operations attributable to Icahn Enterprises |  |  |  |  |  |  |  |  | 488 | 105 | 63
Capital expenditures |  |  |  |  |  |  |  |  | 303 | 393 | 381
Depreciation and amortization |  |  |  |  |  |  |  |  | 100 | 397 | 375
Tropicana | Discontinued operations and held for sale |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other revenues from operations |  |  |  |  |  |  |  |  | 679 | 898 | 943
Net gain on investment activities |  |  |  |  |  |  |  |  | 0 | 0 | 0
Interest and dividend income |  |  |  |  |  |  |  |  | 1 | 1 | 1
Gain (loss) on disposition of assets, net |  |  |  |  |  |  |  |  | 0 | (1) | 0
Other income, net |  |  |  |  |  |  |  |  | 1 | 27 | 3
Revenue |  |  |  |  |  |  |  |  | 681 | 925 | 947
Cost of goods sold |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other expenses from operations |  |  |  |  |  |  |  |  | 311 | 425 | 460
Selling, general and administrative |  |  |  |  |  |  |  |  | 238 | 371 | 432
Restructuring, net |  |  |  |  |  |  |  |  | 0 | 0 | 0
Impairment |  |  |  |  |  |  |  |  | 0 | 0 | 106
Interest expense |  |  |  |  |  |  |  |  | 4 | 11 | 13
Costs and expenses |  |  |  |  |  |  |  |  | 553 | 807 | 1,011
Income (loss) from discontinued operations before gain (loss) on sale and income tax (expense) benefit |  |  |  |  |  |  |  |  | 128 | 118 | (64)
Gain (loss) on sale of discontinued operations |  |  |  |  |  |  |  |  | 779 | (3) | 0
Income (loss) from discontinued operations before income tax (expense) benefit |  |  |  |  |  |  |  |  | 907 | 115 | (64)
Income tax (expense) benefit |  |  |  |  |  |  |  |  | (89) | (93) | (24)
Income (loss) from discontinued operations |  |  |  |  |  |  |  |  | 818 | 22 | (88)
Less: income from discontinued operations attributable to non-controlling interests |  |  |  |  |  |  |  |  | 17 | 13 | 14
Income (loss) from discontinued operations attributable to Icahn Enterprises |  |  |  |  |  |  |  |  | 801 | 9 | (102)
Capital expenditures |  |  |  |  |  |  |  |  | 58 | 112 | 85
Depreciation and amortization |  |  |  |  |  |  |  |  | 19 | 73 | 71
American Railcar Industries | Discontinued operations and held for sale |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 228 | 265 | 430
Other revenues from operations |  |  |  |  |  |  |  |  | 213 | 197 | 175
Net gain on investment activities |  |  |  |  |  |  |  |  | 0 | 2 | 0
Interest and dividend income |  |  |  |  |  |  |  |  | 2 | 2 | 2
Gain (loss) on disposition of assets, net |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other income, net |  |  |  |  |  |  |  |  | 13 | 3 | 5
Revenue |  |  |  |  |  |  |  |  | 456 | 469 | 612
Cost of goods sold |  |  |  |  |  |  |  |  | 215 | 249 | 366
Other expenses from operations |  |  |  |  |  |  |  |  | 114 | 100 | 68
Selling, general and administrative |  |  |  |  |  |  |  |  | 40 | 37 | 32
Restructuring, net |  |  |  |  |  |  |  |  | 0 | 0 | 0
Impairment |  |  |  |  |  |  |  |  | 4 | 0 | 0
Interest expense |  |  |  |  |  |  |  |  | 19 | 22 | 23
Costs and expenses |  |  |  |  |  |  |  |  | 392 | 408 | 489
Income (loss) from discontinued operations before gain (loss) on sale and income tax (expense) benefit |  |  |  |  |  |  |  |  | 64 | 61 | 123
Gain (loss) on sale of discontinued operations |  |  |  |  |  |  |  |  | 400 | 0 | 0
Income (loss) from discontinued operations before income tax (expense) benefit |  |  |  |  |  |  |  |  | 464 | 61 | 123
Income tax (expense) benefit |  |  |  |  |  |  |  |  | (13) | 35 | (57)
Income (loss) from discontinued operations |  |  |  |  |  |  |  |  | 451 | 96 | 66
Less: income from discontinued operations attributable to non-controlling interests |  |  |  |  |  |  |  |  | 20 | 53 | 28
Income (loss) from discontinued operations attributable to Icahn Enterprises |  |  |  |  |  |  |  |  | 431 | 43 | 38
Depreciation and amortization |  |  |  |  |  |  |  |  | $ 47 | $ 58 | $ 42

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