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Operating Units Energy Segment (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended	0 Months Ended			6 Months Ended	0 Months Ended	6 Months Ended
	Jun. 30, 2013 CVR Refining, LP [Member]	May 21, 2013 CVR Refining, LP [Member] Energy Segment [Member]	Jan. 30, 2013 CVR Refining, LP [Member] Energy Segment [Member]	Jan. 23, 2013 CVR Refining, LP [Member] Energy Segment [Member]	Jun. 30, 2013 CVR Refining, LP [Member] Energy Segment [Member]	May 29, 2013 CVR Partners, LP [Member] Energy Segment [Member]	Jun. 30, 2013 CVR Partners, LP [Member] Energy Segment [Member]	Jun. 30, 2013 CVR Energy, Inc. [Member]	Jun. 30, 2013 Crude oil gathering [Member] Energy Segment [Member]	Jun. 30, 2013 Nitrogen Fertilizer [Member] Energy Segment [Member]	Jun. 30, 2013 Coffeyville, Kansas [Member] Petroleum [Member] Energy Segment [Member] bbl	Jun. 30, 2013 Coffeyville, Kansas [Member] Pipeline transportation of crude oil [Member] Energy Segment [Member] miles	Jun. 30, 2013 Wynnewood, Oklahoma [Member] Petroleum [Member] Energy Segment [Member] bbl	Jun. 30, 2013 Cushing, Oklahoma [Member] Petroleum [Member] Energy Segment [Member] bbl
Segment Reporting Information [Line Items]
Percentage of equity ownership in subsidiary	4.00%				71.00%		53.00%	82.00%
Proceeds from issuance of subsidiary equity		$ 406	$ 90	$ 600		$ 302
Purchase of addtional subsidiary equity by parent company		$ 62		$ 100
Barrels per day									50,000		115,000	145,000	70,000
Crude oil pipeline owned and leased (in miles)												350
Capacity of crude oil storage tanks (in barrels)											1,200,000		500,000	1,000,000
Capacity of leased crude oil storage tanks ( in barrels)														3,300,000
Ton-per-day ammonia unit facility										1,225
Ton-per-day of Urea and Ammonium Nitrate unit facility										3,000
Cubic feet of hydrogen per day gasifiation complex										84,000,000