Operating Units Energy Segment (Details) ft³ / d in Millions, $ in Millions			6 Months Ended
	Jul. 24, 2014 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 T / d bbl / d ft³ / d	Jun. 30, 2014 USD ($)
Energy Segment [Member]
Segment Reporting Information [Line Items]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance				$ 140
CVR Refining, LP [Member]
Segment Reporting Information [Line Items]
Percentage of equity ownership in subsidiary			4.00%
CVR Refining, LP [Member] | Energy Segment [Member]
Segment Reporting Information [Line Items]
Percentage of equity ownership in subsidiary			66.00%
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	$ 15	$ 170
CVR Partners, LP [Member] | Energy Segment [Member]
Segment Reporting Information [Line Items]
Percentage of equity ownership in subsidiary			53.00%
CVR Energy, Inc. [Member]
Segment Reporting Information [Line Items]
Percentage of equity ownership in subsidiary			82.00%
Nitrogen Fertilizer [Member] | Energy Segment [Member]
Segment Reporting Information [Line Items]
Ton-per-day ammonia unit facility | T / d			1,225
Ton-per-day of Urea and Ammonium Nitrate unit facility | T / d			3,000
Cubic feet of hydrogen per day gasifiation complex | ft³ / d			84
Coffeyville, Kansas [Member] | Petroleum [Member] | Energy Segment [Member]
Segment Reporting Information [Line Items]
Barrels per day | bbl / d			115,000
Wynnewood, Oklahoma [Member] | Petroleum [Member] | Energy Segment [Member]
Segment Reporting Information [Line Items]
Barrels per day | bbl / d			70,000
Coffeyville refinery [Member] | Energy Segment [Member]
Segment Reporting Information [Line Items]
Acres of land			440
Wynnewood refinery [Member] | Energy Segment [Member]
Segment Reporting Information [Line Items]
Acres of land			400
Parent [Member] | Energy Segment [Member]
Segment Reporting Information [Line Items]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance				9
Non-controlling Interests | Energy Segment [Member]
Segment Reporting Information [Line Items]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance				$ 131
Secondary offering [Member] | CVR Refining, LP [Member] | Energy Segment [Member]
Segment Reporting Information [Line Items]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	$ 10