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Commitments and Contingencies Energy Narrative (Details) (USD $) | 3 Months Ended | 9 Months Ended |  |  | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 1 Months Ended | 9 Months Ended | 1 Months Ended | 0 Months Ended | 9 Months Ended | 0 Months Ended |  | 3 Months Ended |  |
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Sep. 30, 2013 Energy Segment [Member] | Sep. 30, 2012 Energy Segment [Member] | Sep. 30, 2013 Energy Segment [Member] | Sep. 30, 2012 Energy Segment [Member] | Sep. 30, 2013 PSC Metals [Member] Metals Segment [Member] | Dec. 31, 2012 PSC Metals [Member] Metals Segment [Member] | Sep. 30, 2013 CVR Energy, Inc. [Member] | Sep. 30, 2013 CVR Energy, Inc. [Member] Energy Segment [Member] | Sep. 30, 2013 CRRM [Member] Energy Segment [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] | Sep. 30, 2013 WRC [Member] Energy Segment [Member] | Jun. 30, 2010 Crude Oil Discharge [Member] Kansas CVR Energy, Inc. [Member] Energy Segment [Member] Pending Litigation [Member] plaintiffs | Dec. 31, 2012 Crude Oil Discharge [Member] Kansas CVR Energy, Inc. [Member] Energy Segment [Member] Pending Litigation [Member] | May 31, 2008 Crude Oil Discharge [Member] Kansas CVR Energy, Inc. [Member] Energy Segment [Member] Settled [Member] plaintiffs | Jun. 30, 2010 Crude Oil Discharge [Member] Kansas CVR Energy, Inc. [Member] Energy Segment [Member] Pending Litigation and Settled, Aggregate [Member] plaintiffs | Sep. 30, 2013 EPA, Second Consent Decree, Clean Air Act [Member] CRRM [Member] Energy Segment [Member] | Aug. 31, 2011 ODEQ [Member] WRC [Member] Energy Segment [Member] | Oct. 25, 2010 U.S. Coast Guard / EPA [Member] Crude Oil Discharge [Member] Kansas CVR Energy, Inc. [Member] Energy Segment [Member] Pending Litigation [Member] | Sep. 30, 2013 Air Emissions Reduction and Water Conservation [Member] EPA, Second Consent Decree, Clean Air Act [Member] CRRM [Member] Energy Segment [Member] | Sep. 30, 2013 Professional fees, case 1 [Member] CVR Energy, Inc. [Member] Energy Segment [Member] | Sep. 30, 2013 Profession fees, case 2 [Member] CVR Energy, Inc. [Member] Energy Segment [Member] | Feb. 13, 2013 Civil penalty [Member] CWA violations [Member] Energy Segment [Member] | Feb. 13, 2013 Civil penalty [Member] Oversight cost reimbursement [Member] Energy Segment [Member] | Sep. 30, 2013 Wynnewood Consent Order [Member] Energy Segment [Member] | Sep. 30, 2013 Coffeyville, Kansas [Member] CRRM [Member] Energy Segment [Member] | Sep. 30, 2013 Coffeyville, Kansas Refinery and Phillipsburg, Kansas Terminal Facility [Member] Kansas CRRM and CRT [Member] Energy Segment [Member] | Sep. 30, 2013 Accrued expenses and other liabilities [Member] Energy Segment [Member] | Dec. 31, 2012 Accrued expenses and other liabilities [Member] Energy Segment [Member]
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of equity ownership in subsidiary |  |  |  |  |  |  | 82.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Leases, Rent Expense |  |  |  |  |  |  |  | $ 7,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average increase in annual property tax expense |  |  |  |  |  |  |  |  |  | 11,000,000 | 12,000,000 | 11,000,000 | 11,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) Related to Litigation Settlement |  |  |  |  |  |  |  |  |  |  |  | 11,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of claimants / plaintiffs |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  | 16 | 3 |  |  |  |  |  |  |  |  |  |  |  |  |
Compensatory damages sought |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,000,000 | 3,000,000 |  |  | 2,000,000 |  | 18,500,000 | 18,500,000 |  |  |  |  |  |  |
Subsequent Event, Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 600,000 | 1,700,000 |  |  |  |  |
Insurance proceeds under primary environmental liability insurance policy |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accrued environmental liabilities |  |  |  |  | 29,000,000 | 29,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 |  |
Estimated closure and post-closure costs included in accred environmental liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000,000 |  |
Costs associated with required injunctive relief, high estimate |  |  | 20,000,000 |  |  |  |  |  | 63,000,000 |  |  |  |  | 105,000,000 |  |  |  |  | 40,000,000 |  |  | 1,000,000 |  |  |  |  |  |  |  |  |
Environmental Compliance Costs, Costs incurred to date |  |  |  |  |  |  |  |  | 19,000,000 |  |  |  |  | 35,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Renewable fuel percentage standard |  |  | 9.74% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost of RINs | 57,000,000 | 7,000,000 | 155,000,000 | 15,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Biofuel blending obligation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 48,000,000 | 1,000,000
U.S. refineries entered into environmental regulatory concent decree, minimum percentage of U.S. refining capacity |  |  |  |  |  |  |  |  | 90.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Civil penalty, anticipated maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Civil penalty paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 950,000 |  |  |  |  |  |  |  | 300,000 |  |  |
Environmental expenditures capitalized |  |  | 74,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Estimate of Possible Loss |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,000,000 |  |  |  |

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- Definition The cash inflow from the amounts received by the insured under the terms of an insurance contract settlement. This element pertains only to insurance proceeds related to operating activities. It excludes insurance settlements classified as investing cash flows, for example, insurance settlements related to fixed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 16 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3337-108585 + Details
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