Commitments and Contingencies Energy Narrative (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2014 Energy Segment [Member]	Jun. 30, 2013 Energy Segment [Member]	Jun. 30, 2014 Energy Segment [Member]	Jun. 30, 2013 Energy Segment [Member]	Dec. 31, 2013 Energy Segment [Member]	Jun. 30, 2014 CRRM [Member] Energy Segment [Member]	Jun. 30, 2013 CRRM [Member] Energy Segment [Member]	Jun. 30, 2014 CRRM [Member] Energy Segment [Member]	Jun. 30, 2013 CRRM [Member] Energy Segment [Member]	Jun. 30, 2013 CVR Energy, Inc. [Member] Energy Segment [Member]	Jun. 30, 2013 CVR Energy, Inc. [Member] Energy Segment [Member]	Dec. 31, 2008 CRNF [Member] Energy Segment [Member]	Jun. 30, 2014 PSC Metals [Member] Metals Segment [Member]	Dec. 31, 2013 PSC Metals [Member] Metals Segment [Member]	Jun. 30, 2014 Accrued expenses and other liabilities [Member] Energy Segment [Member]	Dec. 31, 2013 Accrued expenses and other liabilities [Member] Energy Segment [Member]
Loss Contingencies [Line Items]
Unrecorded Unconditional Purchase Obligation	$ 1,400		$ 1,400
Unrecorded Unconditional Purchase Obligations due over multiple years	944		944
Operating Leases, Rent Expense										2	5
Average increase in annual property tax expense												11
Accrued environmental liabilities	1		1		2								28	29
Environmental Remediation Expense						26	16	60	38
Cost of RINs	29	66	64	98
Biofuel blending obligation															$ 40	$ 17