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
	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