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Commitments and Contingencies Commitments and Contingencies (Details) (USD $) | 12 Months Ended | 0 Months Ended | 12 Months Ended |  |  |  | 1 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended |  |  |  | 12 Months Ended |  | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Feb. 28, 2014 Principal Owners and Affiliates [Member] | Dec. 31, 2013 Principal Owners and Affiliates [Member] | Dec. 31, 2012 ACF [Member] | Dec. 31, 2011 ACF [Member] | Dec. 31, 2012 Starfire Holding Corporation [Member] | Jan. 31, 2014 Gaming Segment [Member] | Jan. 31, 2013 Gaming Segment [Member] | Dec. 31, 2014 Gaming Segment [Member] | Dec. 31, 2013 Gaming Segment [Member] | Dec. 31, 2012 Gaming Segment [Member] | Dec. 31, 2011 Gaming Segment [Member] | Dec. 31, 2013 Metals Segment [Member] | Dec. 31, 2012 Metals Segment [Member] | Dec. 31, 2011 Metals Segment [Member] | Dec. 31, 2013 Automotive Segment [Member] | Dec. 31, 2012 Automotive Segment [Member] | Dec. 31, 2011 Automotive Segment [Member] | Dec. 31, 2013 Home Fashion Segment [Member] | Dec. 31, 2012 Home Fashion Segment [Member] | Dec. 31, 2011 Home Fashion Segment [Member] | Dec. 31, 2013 Energy Segment [Member] | Dec. 31, 2012 Energy Segment [Member] | Dec. 31, 2013 Tropicana [Member] | Aug. 12, 2010 Tropicana [Member] Gaming Segment [Member] | Dec. 31, 2013 CVR Energy, Inc. [Member] | Dec. 31, 2012 PSC Metals [Member] Metals Segment [Member] | Dec. 31, 2011 PSC Metals [Member] Metals Segment [Member] | Dec. 31, 2012 WPH [Member] Home Fashion Segment [Member] | Dec. 31, 2013 Federal-Mogul [Member] | Dec. 31, 2012 Federal-Mogul [Member] Automotive Segment [Member] | Dec. 31, 2011 Federal-Mogul [Member] Automotive Segment [Member] | Dec. 31, 2012 Icahn Enterprises G.P. [Member] Principal Owners and Affiliates [Member] | Dec. 31, 2011 CRNF [Member] Energy Segment [Member] | Dec. 31, 2010 CRNF [Member] Energy Segment [Member] | Dec. 31, 2009 CRNF [Member] Energy Segment [Member] | Dec. 31, 2008 CRNF [Member] Energy Segment [Member] | Dec. 31, 2013 Cleveland OH Scrap Processing Facility [Member] PSC Metals [Member] Metals Segment [Member] | Dec. 31, 2012 Cleveland OH Scrap Processing Facility [Member] PSC Metals [Member] Metals Segment [Member] scrap_processing_facilities | Dec. 31, 2011 Cleveland OH Scrap Processing Facility [Member] PSC Metals [Member] Metals Segment [Member] | Dec. 31, 2013 Settlement with Taxing Authority [Member]
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued environmental liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 14,000,000 | $ 15,000,000 |  |  |  |  |  |  |  |  |  | $ 29,000,000 | $ 29,000,000 | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Possible material additional losses, above and beyond best estimate of required remediation costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 44,000,000 |  |  |  |  |  |  |  |  |  |
Asset Retirement Obligation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 26,000,000 | 29,000,000 |  |  |  |  |  |  |  |  |
Compensatory damages sought |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average increase in annual property tax expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,000,000 | 12,000,000 | 11,000,000 | 11,000,000 |  |  |  |
Negotiated settlement to resolve Port Refinery environmental matter |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,000,000 |  |  |  |  |
Number of scrap processing facilities requiring refrigerant extraction services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11 |  |
Number of years refrigerant extraction services must be offered at scrap processing facilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |
Costs associated with required injunctive relief, low estimate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 800,000 |  |
Costs associated with required injunctive relief, high estimate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,700,000 |  |
Civil penalty assessed and paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 199,000 |
Affiliate ownership in parent company general partner |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |
Affiliate ownership interest |  |  |  | 88.00% | 87.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Defined Benefit Plan, Funded Status of Plan |  |  |  |  |  | 592,000,000 | 130,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity ownership in subsidiary |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 67.90% |  | 82.00% |  |  |  | 80.70% |  |  |  |  |  |  |  |  |  |  |
Ownership Percentage by Mr. Icahn |  |  |  |  |  |  |  | 99.40% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsidiary Indemnity Agreement, Pension Funding Contingencies As A Result of Being In The Controlled Group, Distribution Limitation, Net Worth Floor |  |  |  |  |  |  |  | 250,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Future minimum lease payments under operating leases, 2014 | 77,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Future minimum lease payments under operating leases, 2015 | 64,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Future minimum lease payments under operating leases, 2016 | 56,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Future minimum lease payments under operating leases, 2017 | 43,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Future minimum lease payments under operating leases, 2018 | 34,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Future minimum lease payments under operating leases, Thereafter | 114,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total future minimum lease payments under operating leases | 388,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tax refund as result of Trop AC tax appeal settlement |  |  |  |  |  |  |  |  | 32,000,000 | 50,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other income (loss), net | 21,000,000 | (175,000,000) | (72,000,000) |  |  |  |  |  |  |  |  | (5,000,000) | (3,000,000) | (1,000,000) | 0 | 1,000,000 | 1,000,000 | (32,000,000) | 8,000,000 | 21,000,000 | 3,000,000 | 3,000,000 | 3,000,000 | 76,000,000 | (185,000,000) | [1] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (23,000,000)
Real Estate tax assessment of Trop AC |  |  |  |  |  |  |  |  |  |  | 680,000,000 | 700,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tax to be paid as result of Trop AC tax appeal settlement |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate tax credits used |  |  |  |  |  |  |  |  |  |  |  | 16,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Professional Fees |  |  |  |  |  |  |  |  |  |  |  | $ 4,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | We consolidated CVR effective May 4, 2012.

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