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Income Taxes Narrative (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Income Tax Contingency [Line Items] |  |  |  |  |
Book basis of net assets | $ 6,092 | $ 4,669 |  |  |
Book/tax basis difference | (2,248) | (1,840) |  |  |
Tax basis of net assets | 3,844 | 2,829 |  |  |
Current Income Tax Expense (Benefit) | (39) | (157) |  | (46) |
Deferred Income Tax Expense (Benefit) | 157 | 238 |  | 12 |
Income tax benefit (expense) | 118 | 81 |  | (34) |
Deferred tax assets, Property, pland and equipment | 141 | 146 |  |  |
Deferred tax asset, net operating loss | 1,137 | 1,163 |  |  |
deferred tax asset, Tax credits | 166 | 134 |  |  |
Deferred tax asset, Post-employment benefits, including pensions | 303 | 441 |  |  |
Deferred tax asset, Reoganization costs | 27 | 51 |  |  |
Deferred tax asset, Other | 242 | 311 |  |  |
Deferred Tax Assets, Gross | 2,016 | 2,246 |  |  |
Deferred Tax Assets, Valuation Allowance | (1,216) | (1,550) |  |  |
Deferred Tax Assets, Net of Valuation Allowance | 800 | 696 |  |  |
Deferred Tax Liabilities, Property, Plant and Equipment | (216) | (644) |  |  |
Deferred Tax Liabilities, Intangible Assets | (187) | (377) |  |  |
Deferred tax liability, Investment in partnerships | (1,242) | (303) |  |  |
Deferred tax liabilities, Investment in subsidiaries | (307) | (307) |  |  |
Deferred Tax Liabilities, Other | (13) | (27) |  |  |
Deferred Tax Liabilities, Gross | (1,965) | (1,658) |  |  |
deferred tax liabilities, net of deferred tax assets | (1,165) | (962) |  |  |
Deferred tax asset | 229 | 373 |  |  |
Deferred tax liability | 1,394 | 1,335 |  |  |
Changes in valuation allowance on deferred tax assets | 334 | 147 |  |  |
Cash and cash equivalents | 3,262 | 3,108 |  | 2,328 | 2,988
Income tax expense related to interest and penalties related to unrecognized tax benefits | 8 | 3 |  | 3 |
WPI [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Changes in valuation allowance on deferred tax assets |  | 31 |  |  |
ARI [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Undistributed Earnings of Foreign Subsidiaries | 3 | 2 |  |  |
Deferred tax asst for tax loss carryforwrds and credits, subject to expiration |  | 4 |  |  |
American Entertainment Properties Corp. [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Deferred Tax Assets, Valuation Allowance | (52) |  |  |  |
Changes in valuation allowance on deferred tax assets |  | 221 |  |  |
Deferred tax asst for tax loss carryforwrds and credits, subject to expiration | 728 |  |  |  |
Icahn Enterprises Holdings [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Book basis of net assets | 6,114 | 4,691 |  |  |
Book/tax basis difference | (2,248) | (1,840) |  |  |
Tax basis of net assets | 3,866 | 2,851 |  |  |
Income tax benefit (expense) | 118 | 81 |  | (34) |
Deferred tax liability | 1,394 | 1,335 |  |  |
Cash and cash equivalents | 3,262 | 3,108 |  | 2,328 | 2,988
Federal-Mogul [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Deferred Tax Assets, Valuation Allowance | 846 |  |  |  |
Undistributed Earnings of Foreign Subsidiaries | 824 |  |  |  |
Deferred tax asst for tax loss carryforwrds and credits, subject to expiration | 887 |  |  |  |
Domestic deferred tax asst for tax loss carryforwards and credits, subject to expiration | 497 |  |  |  |
Tropicana [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Deferred tax asst for tax loss carryforwrds and credits, subject to expiration | 185 |  |  |  |
Viskase [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Changes in valuation allowance on deferred tax assets | 55 |  |  |  |
Undistributed Earnings of Foreign Subsidiaries | 53 |  |  |  |
Domestic deferred tax asst for tax loss carryforwards and credits, subject to expiration | 95 |  |  |  |
United Kingdom | Federal-Mogul [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Foreign deferred tax asst for tax loss carryforwards and credits, subject to expiration | 200 |  |  |  |
Other foreign jurisdictions [Member] | Federal-Mogul [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Foreign deferred tax asst for tax loss carryforwards and credits, subject to expiration | 190 |  |  |  |
Foreign Tax Authority [Member] | Viskase [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Foreign deferred tax asst for tax loss carryforwards and credits, subject to expiration | 15 |  |  |  |
Foreign Tax Authority [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Current Income Tax Expense (Benefit) | (61) | (53) |  | (45) |
Deferred Income Tax Expense (Benefit) | 11 | 47 |  | 8 |
Domestic Tax Authority [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Current Income Tax Expense (Benefit) | 22 | (104) |  | (1) |
Deferred Income Tax Expense (Benefit) | 146 | 191 |  | 4 |
Federal-Mogul [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Changes in valuation allowance on deferred tax assets |  | 399 |  |  |
Energy Segment [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Income tax benefit (expense) | 195 | 182 | [1] |  |
Cash and cash equivalents | 842 | 896 |  |  |
Energy Segment [Member] | Kansas | American Entertainment Properties Corp. [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Domestic tax credits | 5 |  |  |  |
Energy Segment [Member] | Oklahoma | American Entertainment Properties Corp. [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Domestic tax credits | 9 |  |  |  |
Food Packaging Segment [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Income tax benefit (expense) | (51) | (5) |  | (5) |
Changes in valuation allowance on deferred tax assets | 55 |  |  |  |
Cash and cash equivalents | 19 | 31 |  |  |
Other Segments [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Changes in valuation allowance on deferred tax assets |  | 221 |  |  |
Automotive Segment [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Income tax benefit (expense) | (180) | 29 |  | (17) |
Changes in valuation allowance on deferred tax assets | 279 |  |  |  |
Cash and cash equivalents | 761 | 467 |  |  |
Cash and cash equivalents held by foreign subsidiaries | 224 |  |  |  |
Release of deferred tax allowance | $ 287 |  |  |  |
Minimum [Member] | ARI [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Operating Loss Carryforwards, Expiration Dates |  | 2014 |  |  |
Minimum [Member] | American Entertainment Properties Corp. [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Operating Loss Carryforwards, Expiration Dates |  | 2026 |  |  |
Minimum [Member] | Tropicana [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Operating Loss Carryforwards, Expiration Dates | 2028 |  |  |  |
Minimum [Member] | United States | Federal-Mogul [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Operating Loss Carryforwards, Expiration Dates | 2014 |  |  |  |
Minimum [Member] | United States | Viskase [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Operating Loss Carryforwards, Expiration Dates | 2024 |  |  |  |
Maximum [Member] | ARI [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Operating Loss Carryforwards, Expiration Dates |  | 2031 |  |  |
Maximum [Member] | American Entertainment Properties Corp. [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Operating Loss Carryforwards, Expiration Dates |  | 2031 |  |  |
Maximum [Member] | United States | Federal-Mogul [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Operating Loss Carryforwards, Expiration Dates | 2032 |  |  |  |
[1] | We consolidated CVR effective May 4, 2012.

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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