Commitments and Contingencies Energy Minimum Required Payments Table (Details) - Energy Segment [Member] $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($) bbl
CVR Energy, Inc. [Member]
Loss Contingencies [Line Items]
2016	$ 141
2017	126
2018	124
2019	124
2020	108
Thereafter	727
Total future minimum payments for unconditional purhcase obligations	1,350	[1]
Petroleum Transportation [Member] | CRRM [Member]
Loss Contingencies [Line Items]
Unconditional purchase obligation for petroleum transportation, payable ratably over nine years	$ 782
Term of unconditional purchase obligation for petroleum transportation	20 years
Number of barrels of petroleum to be transported pursuant to unconditional purchase obligation | bbl	25,000

[1] This amount includes $782 million payable ratably over 15 years pursuant to petroleum transportation service agreements between CRRM and each of TransCanada Keystone Limited Partnership and TransCanada Keystone Pipeline, LP (together, "TransCanada"). The purchase obligation reflects the exchange rate between the Canadian dollar and the U.S. dollar as of December 31, 2015, where applicable. Under the agreements, CRRM receives transportation of at least 25,000 barrels per day of crude oil with a delivery point at Cushing, Oklahoma for a term of 20 years on TransCanada's Keystone pipeline system. CRRM began receiving crude oil under the agreements in the first quarter of 2011.