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Income Taxes Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Income Tax Contingency [Line Items] |  |  |  |
Book basis of net assets | $ 2,154 | $ 3,987 |  |
Book/tax basis difference | 1,888 | (88) |  |
Tax basis of net assets | 4,042 | 3,899 |  |
Current income tax (expense) benefit | (141) | (72) | $ (80) |
Deferred income tax (expense) benefit | 105 | 4 | 183 |
Income tax benefit (expense) | (36) | (68) | 103 |
Deferred tax assets, Property, pland and equipment | 312 | 341 |  |
Deferred tax asset, net operating loss | 1,981 | 1,511 |  |
deferred tax asset, Tax credits | 139 | 133 |  |
Deferred tax asset, Post-employment benefits, including pensions | 334 | 347 |  |
Deferred tax asset, Reoganization costs | 7 | 5 |  |
Deferred tax asset, Other | 430 | 418 |  |
Deferred Tax Assets, Gross | 3,203 | 2,755 |  |
Deferred Tax Assets, Valuation Allowance | (1,821) | (1,444) |  |
Deferred Tax Assets, Net of Valuation Allowance | 1,382 | 1,311 |  |
Deferred tax liabilities, Property, plant and equipment | (592) | (354) |  |
Deferred tax liabilities, Intangible assets | (195) | (163) |  |
Deferred tax liability, Investment in partnerships | (1,495) | (1,376) |  |
Deferred tax liabilities, Investment in U.S. subsidiaries | (307) | (307) |  |
Deferred tax liabilities, Other | (101) | (13) |  |
Deferred Tax Liabilities, Gross | (2,690) | (2,213) |  |
deferred tax liabilities, net of deferred tax assets | (1,308) | (902) |  |
Deferred tax asset | 305 | 299 |  |
Deferred tax liability | 1,613 | 1,201 |  |
Changes in valuation allowance on deferred tax assets | 377 | 385 |  |
Cash and cash equivalents | 1,833 | 2,078 | 2,908 | $ 3,257
Income tax expense related to interest and penalties related to unrecognized tax benefits | 1 | (4) | (11) |
Unrecognized tax benefits balance | 101 | 94 | 113 | 132
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 70 | 68 | 76 |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 16 | 15 | 19 |
TER |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Changes in valuation allowance on deferred tax assets | 356 |  |  |
Pep Boys |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Changes in valuation allowance on deferred tax assets | 59 |  |  |
ARI |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Undistributed earnings of foreign subsidiaries | 4 | 3 | 3 |
American Entertainment Properties Corp. [Member] |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Changes in valuation allowance on deferred tax assets |  | 7 |  |
Undistributed earnings of foreign subsidiaries | 23 |  |  |
Deferred tax asst for tax loss carryforwrds and credits, subject to expiration | 1,500 |  |  |
Icahn Enterprises Holdings |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Book basis of net assets | 2,179 | 4,011 |  |
Book/tax basis difference | 1,888 | (88) |  |
Tax basis of net assets | 4,067 | 3,923 |  |
Income tax benefit (expense) | (36) | (68) | 103 |
Deferred tax liability | 1,613 | 1,201 |  |
Cash and cash equivalents | 1,833 | 2,078 | 2,908 | $ 3,257
Federal-Mogul |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Deferred Tax Assets, Valuation Allowance | (867) |  |  |
Undistributed earnings of foreign subsidiaries | 778 |  |  |
Cash and cash equivalents | 300 |  |  |
Cash and cash equivalents held by foreign subsidiaries | 166 |  |  |
Deferred tax asst for tax loss carryforwrds and credits, subject to expiration | 1,000 |  |  |
Domestic deferred tax asst for tax loss carryforwards and credits, subject to expiration | 628 |  |  |
Release of deferred tax allowance |  |  | 18 |
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 3 |  |  |
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit | 3 |  |  |
Tropicana |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Deferred tax asst for tax loss carryforwrds and credits, subject to expiration | 148 |  |  |
Viskase |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Undistributed earnings of foreign subsidiaries | 81 |  |  |
Domestic deferred tax asst for tax loss carryforwards and credits, subject to expiration | 91 |  |  |
Ferrous Resources |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Changes in valuation allowance on deferred tax assets |  | 394 |  |
United Kingdom | Federal-Mogul |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Foreign deferred tax asst for tax loss carryforwards and credits, subject to expiration | 124 |  |  |
Other foreign jurisdictions | Federal-Mogul |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Foreign deferred tax asst for tax loss carryforwards and credits, subject to expiration | 287 |  |  |
Foreign tax authority | Viskase |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Foreign deferred tax asst for tax loss carryforwards and credits, subject to expiration | 19 |  |  |
Domestic tax authority |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Current income tax (expense) benefit | (40) | (17) | (45) |
Deferred income tax (expense) benefit | 73 | (15) | 201 |
Foreign tax authority |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Current income tax (expense) benefit | (101) | (55) | (35) |
Deferred income tax (expense) benefit | 32 | 19 | (18) |
Oklahoma | CVR Energy, Inc. |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Domestic tax credits | $ 26 |  |  |
Minimum | American Entertainment Properties Corp. [Member] |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Operating Loss Carryforwards, Expiration Dates | 2026 |  |  |
Minimum | Tropicana |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Operating Loss Carryforwards, Expiration Dates | 2027 |  |  |
Minimum | United States | Federal-Mogul |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Operating Loss Carryforwards, Expiration Dates | 2017 |  |  |
Minimum | United States | Viskase |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Operating Loss Carryforwards, Expiration Dates | 2024 |  |  |
Maximum | American Entertainment Properties Corp. [Member] |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Operating Loss Carryforwards, Expiration Dates | 2035 |  |  |
Maximum | United States | Federal-Mogul |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Operating Loss Carryforwards, Expiration Dates | 2035 |  |  |
Automotive, Mining and Gaming segments [Member] |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Changes in valuation allowance on deferred tax assets | $ (38) |  |  |
Automotive Segment |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Income tax benefit (expense) | 40 | (50) | (91) |
Changes in valuation allowance on deferred tax assets |  | 16 |  |
Cash and cash equivalents | 353 | 201 |  |
Gaming Segment |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Income tax benefit (expense) | 24 | (27) | 147 |
Cash and cash equivalents | $ 244 | $ 217 |  |
Valuation allowance, deferred tax asset, change in balance |  |  | $ 196 |

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