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Discontinued Operations Income From Discontinued Operations (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
(Loss) income from discontinued operations | $ (8) | $ 0 | $ (24) | $ 0 | $ 1,376 | $ 176 | $ 167 | $ 45 | $ (32) | $ 1,764 | $ 234
(Loss) income from discontinued operations attributable to Icahn Enterprises |  |  |  |  |  |  |  |  | (32) | 1,720 | 157
Discontinued operations and held for sale |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 0 | 6,221 | 7,985
Other revenues from operations |  |  |  |  |  |  |  |  | 0 | 892 | 1,095
Interest and dividend income |  |  |  |  |  |  |  |  | 0 | 5 | 9
Gain (loss) on disposition of assets, net |  |  |  |  |  |  |  |  | 0 | 65 | 6
Other income, net |  |  |  |  |  |  |  |  | 0 | 19 | 61
Revenue |  |  |  |  |  |  |  |  | 0 | 7,202 | 9,158
Cost of goods sold |  |  |  |  |  |  |  |  | 0 | 5,214 | 6,802
Other expenses from operations |  |  |  |  |  |  |  |  | 0 | 425 | 525
Selling, general and administrative |  |  |  |  |  |  |  |  | 0 | 879 | 1,270
Restructuring, net |  |  |  |  |  |  |  |  | 0 | 13 | 21
Impairment |  |  |  |  |  |  |  |  | 0 | 6 | 25
Interest expense |  |  |  |  |  |  |  |  | 0 | 160 | 187
Costs and expenses |  |  |  |  |  |  |  |  | 0 | 6,697 | 8,830
Income (loss) from discontinued operations before gain (loss) on sale and income tax (expense) benefit |  |  |  |  |  |  |  |  | 0 | 505 | 328
Gain (loss) on sale of discontinued operations |  |  |  |  |  |  |  |  | 0 | 1,430 | (3)
Income (loss) from discontinued operations before income tax (expense) benefit |  |  |  |  |  |  |  |  | 0 | 1,935 | 325
Income tax (expense) benefit |  |  |  |  |  |  |  |  | (32) | (171) | (91)
(Loss) income from discontinued operations |  |  |  |  |  |  |  |  | (32) | 1,764 | 234
Less: income from discontinued operations attributable to non-controlling interests |  |  |  |  |  |  |  |  | 0 | 44 | 77
(Loss) income from discontinued operations attributable to Icahn Enterprises |  |  |  |  |  |  |  |  | (32) | 1,720 | 157
Capital expenditures |  |  |  |  |  |  |  |  | 0 | 486 | 676
Depreciation and amortization |  |  |  |  |  |  |  |  | 0 | 166 | 528
Disposal group, including discontinued operation, net gains (losses) on investment activities |  |  |  |  |  |  |  |  | 0 | 0 | 2
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 |  |  |  |  |  |  |  |  | 0 | 5,993 | 7,720
Other revenues from operations |  |  |  |  |  |  |  |  | 0 | 0 | 0
Interest and dividend income |  |  |  |  |  |  |  |  | 0 | 2 | 6
Gain (loss) on disposition of assets, net |  |  |  |  |  |  |  |  | 0 | 65 | 7
Other income, net |  |  |  |  |  |  |  |  | 0 | 5 | 31
Revenue |  |  |  |  |  |  |  |  | 0 | 6,065 | 7,764
Cost of goods sold |  |  |  |  |  |  |  |  | 0 | 4,999 | 6,553
Other expenses from operations |  |  |  |  |  |  |  |  | 0 | 0 | 0
Selling, general and administrative |  |  |  |  |  |  |  |  | 0 | 601 | 862
Restructuring, net |  |  |  |  |  |  |  |  | 0 | 13 | 21
Impairment |  |  |  |  |  |  |  |  | 0 | 2 | 25
Interest expense |  |  |  |  |  |  |  |  | 0 | 137 | 154
Costs and expenses |  |  |  |  |  |  |  |  | 0 | 5,752 | 7,615
Income (loss) from discontinued operations before gain (loss) on sale and income tax (expense) benefit |  |  |  |  |  |  |  |  | 0 | 313 | 149
Gain (loss) on sale of discontinued operations |  |  |  |  |  |  |  |  | 0 | 251 | 0
Income (loss) from discontinued operations before income tax (expense) benefit |  |  |  |  |  |  |  |  | 0 | 564 | 149
Income tax (expense) benefit |  |  |  |  |  |  |  |  | (32) | (69) | (33)
(Loss) income from discontinued operations |  |  |  |  |  |  |  |  | (32) | 495 | 116
Less: income from discontinued operations attributable to non-controlling interests |  |  |  |  |  |  |  |  | 0 | 7 | 11
(Loss) income from discontinued operations attributable to Icahn Enterprises |  |  |  |  |  |  |  |  | (32) | 488 | 105
Capital expenditures |  |  |  |  |  |  |  |  | 0 | 303 | 393
Depreciation and amortization |  |  |  |  |  |  |  |  | 0 | 100 | 397
Disposal group, including discontinued operation, net gains (losses) on investment activities |  |  |  |  |  |  |  |  | 0 | 0 | 0
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 |  |  |  |  |  |  |  |  | 0 | 679 | 898
Interest and dividend income |  |  |  |  |  |  |  |  | 0 | 1 | 1
Gain (loss) on disposition of assets, net |  |  |  |  |  |  |  |  | 0 | 0 | (1)
Other income, net |  |  |  |  |  |  |  |  | 0 | 1 | 27
Revenue |  |  |  |  |  |  |  |  | 0 | 681 | 925
Cost of goods sold |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other expenses from operations |  |  |  |  |  |  |  |  | 0 | 311 | 425
Selling, general and administrative |  |  |  |  |  |  |  |  | 0 | 238 | 371
Restructuring, net |  |  |  |  |  |  |  |  | 0 | 0 | 0
Impairment |  |  |  |  |  |  |  |  | 0 | 0 | 0
Interest expense |  |  |  |  |  |  |  |  | 0 | 4 | 11
Costs and expenses |  |  |  |  |  |  |  |  | 0 | 553 | 807
Income (loss) from discontinued operations before gain (loss) on sale and income tax (expense) benefit |  |  |  |  |  |  |  |  | 0 | 128 | 118
Gain (loss) on sale of discontinued operations |  |  |  |  |  |  |  |  | 0 | 779 | (3)
Income (loss) from discontinued operations before income tax (expense) benefit |  |  |  |  |  |  |  |  | 0 | 907 | 115
Income tax (expense) benefit |  |  |  |  |  |  |  |  | 0 | (89) | (93)
(Loss) income from discontinued operations |  |  |  |  |  |  |  |  | 0 | 818 | 22
Less: income from discontinued operations attributable to non-controlling interests |  |  |  |  |  |  |  |  | 0 | 17 | 13
(Loss) income from discontinued operations attributable to Icahn Enterprises |  |  |  |  |  |  |  |  | 0 | 801 | 9
Capital expenditures |  |  |  |  |  |  |  |  | 0 | 58 | 112
Depreciation and amortization |  |  |  |  |  |  |  |  | 0 | 19 | 73
Disposal group, including discontinued operation, net gains (losses) on investment activities |  |  |  |  |  |  |  |  | 0 | 0 | 0
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 |  |  |  |  |  |  |  |  | 0 | 228 | 265
Other revenues from operations |  |  |  |  |  |  |  |  | 0 | 213 | 197
Interest and dividend income |  |  |  |  |  |  |  |  | 0 | 2 | 2
Gain (loss) on disposition of assets, net |  |  |  |  |  |  |  |  | 0 | 0 | 0
Other income, net |  |  |  |  |  |  |  |  | 0 | 13 | 3
Revenue |  |  |  |  |  |  |  |  | 0 | 456 | 469
Cost of goods sold |  |  |  |  |  |  |  |  | 0 | 215 | 249
Other expenses from operations |  |  |  |  |  |  |  |  | 0 | 114 | 100
Selling, general and administrative |  |  |  |  |  |  |  |  | 0 | 40 | 37
Restructuring, net |  |  |  |  |  |  |  |  | 0 | 0 | 0
Impairment |  |  |  |  |  |  |  |  | 0 | 4 | 0
Interest expense |  |  |  |  |  |  |  |  | 0 | 19 | 22
Costs and expenses |  |  |  |  |  |  |  |  | 0 | 392 | 408
Income (loss) from discontinued operations before gain (loss) on sale and income tax (expense) benefit |  |  |  |  |  |  |  |  | 0 | 64 | 61
Gain (loss) on sale of discontinued operations |  |  |  |  |  |  |  |  | 0 | 400 | 0
Income (loss) from discontinued operations before income tax (expense) benefit |  |  |  |  |  |  |  |  | 0 | 464 | 61
Income tax (expense) benefit |  |  |  |  |  |  |  |  | 0 | (13) | 35
(Loss) income from discontinued operations |  |  |  |  |  |  |  |  | 0 | 451 | 96
Less: income from discontinued operations attributable to non-controlling interests |  |  |  |  |  |  |  |  | 0 | 20 | 53
(Loss) income from discontinued operations attributable to Icahn Enterprises |  |  |  |  |  |  |  |  | 0 | 431 | 43
Capital expenditures |  |  |  |  |  |  |  |  | 0 | 125 | 171
Depreciation and amortization |  |  |  |  |  |  |  |  | 0 | 47 | 58
Disposal group, including discontinued operation, net gains (losses) on investment activities |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 2

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