Commitments and Contingencies Energy Minimum Required Payments Table (Details) (Energy Segment [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 bbl
CVR Energy, Inc. [Member]
Loss Contingencies [Line Items]
Future minimum payments for unconditional purhcase obligations, 2013	$ 123
Future minimum payments for unconditional purhcase obligations, 2014	110
Future minimum payments for unconditional purhcase obligations, 2015	99
Future minimum payments for unconditional purhcase obligations, 2016	92
Future minimum payments for unconditional purhcase obligations, 2017	91
Future minimum payments for unconditional purhcase obligations, Thereafter	931
Total future minimum payments for unconditional purhcase obligations	1,446	[1]
Petroleum Transportation [Member] | CRRM [Member]
Loss Contingencies [Line Items]
Unconditional purchase obligation for petroleum transportation, payable ratably over nine years	$ 1,008
Term of unconditional purchase obligation for petroleum transportation	20 years
Number of barrels of petroleum to be transported pursuant to unconditional purchase obligation	25,000

[1] This amount includes $1,008 million payable ratably over nine years pursuant to petroleum transportation service agreements between CRRM and TransCanada Keystone Pipeline, LP ("TransCanada"). Under the agreements, CRRM receives transportation for 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.