Operating Units Energy Segment (Details) shares in Millions, ft³ / d in Millions, bbl in Millions, $ in Millions		6 Months Ended
Apr. 01, 2016 USD ($) shares	Jun. 30, 2016 ft² ft³ / d T / d bbl / d miles bbl
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%
CVR Partners, LP [Member] \| Energy Segment [Member]
Segment Reporting Information [Line Items]
Percentage of equity ownership in subsidiary		34.00%
CVR Energy, Inc. [Member]
Segment Reporting Information [Line Items]
Percentage of equity ownership in subsidiary		82.00%
CVR Nitrogen, LP [Member] \| Energy Segment [Member]
Segment Reporting Information [Line Items]
Subsidiary units issued as partial consideration for acquisition \| shares	40.2
Subsidiary value of units issued as partial consideration for acquisition	$ 336
Gross cash portion of consideration paid to acquire business	99
Business combination, debt assumed	368
Business combination, purchase price	440
Business combinations, recognized net tangible assets	440
Debt	320
Intercompany debt, face amount	$ 320
Crude oil gathering [Member] \| Energy Segment [Member]
Segment Reporting Information [Line Items]
Barrels per day \| bbl / d		65,000
Pipeline transportation of oil [Member] \| Energy Segment [Member]
Segment Reporting Information [Line Items]
Barrels per day \| bbl / d		170,000
Crude oil pipeline length (in miles) \| miles		340
Production barrels of oil storage capacity \| bbl		6.4
Production barrels of oil combined refinery related storage capacity \| bbl		4.5
Nitrogen Fertilizer [Member] \| Energy Segment [Member]
Segment Reporting Information [Line Items]
Ton-per-day ammonia unit facility \| T / d		1,300
Ton-per-day of Urea and Ammonium Nitrate unit facility \| T / d		3,000
Cubic feet of hydrogen per day gasifiation complex \| ft³ / d		89
Coffeyville, Kansas [Member] \| Energy Segment [Member]
Segment Reporting Information [Line Items]
Area of land (acres) \| ft²		440
Coffeyville, Kansas [Member] \| Petroleum [Member] \| Energy Segment [Member]
Segment Reporting Information [Line Items]
Barrels per day \| bbl / d		115,000
Wynnewood, Oklahoma [Member] \| Energy Segment [Member]
Segment Reporting Information [Line Items]
Area of land (acres) \| ft²		400
Wynnewood, Oklahoma [Member] \| Petroleum [Member] \| Energy Segment [Member]
Segment Reporting Information [Line Items]
Barrels per day \| bbl / d		70,000

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