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Discontinued Operations Income From Discontinued Operations (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Income from discontinued operations | $ 0 | $ 45
Income from discontinued operations attributable to Icahn Enterprises | $ 0 | 34
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 |  | 2,120
Other revenues from operations |  | 271
Net gain on investment activities |  | 1
Interest and dividend income |  | 2
Other (loss) income, net |  | 9
Revenue |  | 2,403
Cost of goods sold |  | 1,823
Other expenses from operations |  | 131
Selling, general and administrative |  | 318
Interest expense |  | 50
Expenses |  | 2,322
Income from discontinued operations before income tax expense |  | 81
Income tax expense |  | (36)
Income from discontinued operations |  | 45
Less: income from discontinued operations attributable to non-controlling interests |  | 11
Income from discontinued operations attributable to Icahn Enterprises |  | 34
Capital expenditures |  | 158
Depreciation and amortization |  | 134
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 |  | 2,056
Other revenues from operations |  | 0
Net gain on investment activities |  | 0
Interest and dividend income |  | 1
Other (loss) income, net |  | 8
Revenue |  | 2,065
Cost of goods sold |  | 1,765
Other expenses from operations |  | 0
Selling, general and administrative |  | 220
Interest expense |  | 44
Expenses |  | 2,029
Income from discontinued operations before income tax expense |  | 36
Income tax expense |  | (23)
Income from discontinued operations |  | 13
Less: income from discontinued operations attributable to non-controlling interests |  | 3
Income from discontinued operations attributable to Icahn Enterprises |  | 10
Capital expenditures |  | 118
Depreciation and amortization |  | 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
Other revenues from operations |  | 219
Net gain on investment activities |  | 0
Interest and dividend income |  | 1
Other (loss) income, net |  | 0
Revenue |  | 220
Cost of goods sold |  | 0
Other expenses from operations |  | 102
Selling, general and administrative |  | 89
Interest expense |  | 1
Expenses |  | 192
Income from discontinued operations before income tax expense |  | 28
Income tax expense |  | (7)
Income from discontinued operations |  | 21
Less: income from discontinued operations attributable to non-controlling interests |  | 3
Income from discontinued operations attributable to Icahn Enterprises |  | 18
Capital expenditures |  | 21
Depreciation and amortization |  | 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 |  | 64
Other revenues from operations |  | 52
Net gain on investment activities |  | 1
Interest and dividend income |  | 0
Other (loss) income, net |  | 1
Revenue |  | 118
Cost of goods sold |  | 58
Other expenses from operations |  | 29
Selling, general and administrative |  | 9
Interest expense |  | 5
Expenses |  | 101
Income from discontinued operations before income tax expense |  | 17
Income tax expense |  | (6)
Income from discontinued operations |  | 11
Less: income from discontinued operations attributable to non-controlling interests |  | 5
Income from discontinued operations attributable to Icahn Enterprises |  | 6
Capital expenditures |  | 19
Depreciation and amortization |  | $ 15

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