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Discontinued Operations Income From Discontinued Operations (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Income from discontinued operations | $ 0 | $ 176 | $ (24) | $ 388
Income from discontinued operations attributable to Icahn Enterprises | $ 0 | 163 | (24) | 351
Discontinued operations, held for sale or disposed of by sale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Net sales |  | 1,930 |  | 6,187
Other revenues from operations |  | 293 |  | 848
Interest and dividend income |  | 1 |  | 4
Disposal group, including discontinued operation, gain (loss) on disposition of assets |  | 65 |  | 65
Other (loss) income, net |  | 9 |  | 19
Revenue |  | 2,298 |  | 7,123
Cost of goods sold |  | 1,604 |  | 5,183
Restructuring, net |  | 15 |  | 13
Impairment |  | 0 |  | 6
Other expenses from operations |  | 141 |  | 407
Selling, general and administrative |  | 274 |  | 869
Interest expense |  | 51 |  | 157
Expenses |  | 2,085 |  | 6,635
Income from discontinued operations before income tax expense |  | 213 |  | 488
Income tax expense |  | (37) |  | (100)
Income from discontinued operations |  | 176 |  | 388
Less: income from discontinued operations attributable to non-controlling interests |  | 13 |  | 37
Income from discontinued operations attributable to Icahn Enterprises |  | 163 |  | 351
Capital expenditures |  | 162 |  | 442
Depreciation and amortization |  | 15 |  | 165
Federal-Mogul | Discontinued operations, held for sale or disposed of by sale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Net sales |  | 1,890 |  | 5,993
Other revenues from operations |  | 0 |  | 0
Interest and dividend income |  | 1 |  | 2
Disposal group, including discontinued operation, gain (loss) on disposition of assets |  | 65 |  | 65
Other (loss) income, net |  | (4) |  | 5
Revenue |  | 1,952 |  | 6,065
Cost of goods sold |  | 1,562 |  | 4,999
Restructuring, net |  | 15 |  | 13
Impairment |  | 0 |  | 2
Other expenses from operations |  | 0 |  | 0
Selling, general and administrative |  | 185 |  | 601
Interest expense |  | 45 |  | 137
Expenses |  | 1,807 |  | 5,752
Income from discontinued operations before income tax expense |  | 145 |  | 313
Income tax expense |  | (28) | $ (24) | (69)
Income from discontinued operations |  | 117 |  | 244
Less: income from discontinued operations attributable to non-controlling interests |  | 1 |  | 7
Income from discontinued operations attributable to Icahn Enterprises |  | 116 |  | 237
Capital expenditures |  | 88 |  | 303
Depreciation and amortization |  | 0 |  | 100
Tropicana | Discontinued operations, held for sale or disposed of by sale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Net sales |  | 0 |  | 0
Other revenues from operations |  | 233 |  | 679
Interest and dividend income |  | 0 |  | 1
Disposal group, including discontinued operation, gain (loss) on disposition of assets |  | 0 |  | 0
Other (loss) income, net |  | 2 |  | 1
Revenue |  | 235 |  | 681
Cost of goods sold |  | 0 |  | 0
Restructuring, net |  | 0 |  | 0
Impairment |  | 0 |  | 0
Other expenses from operations |  | 105 |  | 311
Selling, general and administrative |  | 78 |  | 238
Interest expense |  | 1 |  | 4
Expenses |  | 184 |  | 553
Income from discontinued operations before income tax expense |  | 51 |  | 128
Income tax expense |  | (5) |  | (19)
Income from discontinued operations |  | 46 |  | 109
Less: income from discontinued operations attributable to non-controlling interests |  | 7 |  | 17
Income from discontinued operations attributable to Icahn Enterprises |  | 39 |  | 92
Capital expenditures |  | 17 |  | 58
Depreciation and amortization |  | 0 |  | 19
ARI | Discontinued operations, held for sale or disposed of by sale |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Net sales |  | 40 |  | 194
Other revenues from operations |  | 60 |  | 169
Interest and dividend income |  | 0 |  | 1
Disposal group, including discontinued operation, gain (loss) on disposition of assets |  | 0 |  | 0
Other (loss) income, net |  | 11 |  | 13
Revenue |  | 111 |  | 377
Cost of goods sold |  | 42 |  | 184
Restructuring, net |  | 0 |  | 0
Impairment |  | 0 |  | 4
Other expenses from operations |  | 36 |  | 96
Selling, general and administrative |  | 11 |  | 30
Interest expense |  | 5 |  | 16
Expenses |  | 94 |  | 330
Income from discontinued operations before income tax expense |  | 17 |  | 47
Income tax expense |  | (4) |  | (12)
Income from discontinued operations |  | 13 |  | 35
Less: income from discontinued operations attributable to non-controlling interests |  | 5 |  | 13
Income from discontinued operations attributable to Icahn Enterprises |  | 8 |  | 22
Capital expenditures |  | 57 |  | 81
Depreciation and amortization |  | $ 15 |  | $ 46

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