Commitments and Contingencies Energy Narrative (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended	12 Months Ended
	Jul. 29, 2014 Energy Segment [Member]	Sep. 30, 2014 Energy Segment [Member]	Sep. 30, 2013 Energy Segment [Member]	Sep. 30, 2014 Energy Segment [Member]	Sep. 30, 2013 Energy Segment [Member]	Dec. 31, 2013 Energy Segment [Member]	Sep. 30, 2014 CRRM [Member] Energy Segment [Member]	Sep. 30, 2013 CRRM [Member] Energy Segment [Member]	Sep. 30, 2014 CRRM [Member] Energy Segment [Member]	Sep. 30, 2013 CRRM [Member] Energy Segment [Member]	Sep. 30, 2013 CVR Energy, Inc. [Member] Energy Segment [Member]	Sep. 30, 2013 CVR Energy, Inc. [Member] Energy Segment [Member]	Dec. 31, 2008 CRNF [Member] Energy Segment [Member]	Sep. 30, 2014 PSC Metals [Member] Metals Segment [Member]	Dec. 31, 2013 PSC Metals [Member] Metals Segment [Member]	Sep. 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		930		930
Operating Leases, Rent Expense											2	7
Average increase in annual property tax expense													11
Accrued environmental liabilities		1		1		2								28	29
Environmental Remediation Expense							23	36	83	74
Cost of RINs		19	57	82	155
Biofuel blending obligation																36	17
Accident repair cost		6		6
Property damage insurance deductible	5
Insurance Settlements Receivable		1		1
Workers compensation accident deductible	0.5
Planned major maintenance		$ 6		$ 6