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Operating Units Energy Segment (Details) (USD $) In Millions, unless otherwise specified | 0 Months Ended | 12 Months Ended |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
May 04, 2012 CVR Partners, LP [Member] Energy Segment [Member] | Dec. 31, 2012 CVR Energy, Inc. [Member] | Dec. 31, 2012 Crude Oil Gathering [Member] Energy Segment [Member] | Dec. 31, 2012 Nitrogen Fertilizer [Member] Energy Segment [Member] | Dec. 31, 2011 Nitrogen Fertilizer [Member] Energy Segment [Member] T | Dec. 31, 2012 CVR Partners, LP [Member] Energy Segment [Member] | Dec. 31, 2012 Cushing, Oklahoma [Member] Petroleum [Member] Energy Segment [Member] bbl | Dec. 31, 2012 Coffeyville, Kansas [Member] Petroleum [Member] Energy Segment [Member] bbl | Dec. 31, 2012 Coffeyville, Kansas [Member] 486110 Pipeline Transportation of Crude Oil [Member] Energy Segment [Member] miles | Dec. 31, 2012 Wynnewood, Oklahoma [Member] Energy Segment [Member] | Dec. 31, 2012 Wynnewood, Oklahoma [Member] Petroleum [Member] Energy Segment [Member] bbl
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of equity ownership in subsidiary | 70.00% | 82.00% |  |  |  |  |  |  |  |  |
Production, Barrels of Oil Per Day |  |  | 50,000 |  |  |  |  | 115,000 | 145,000 |  | 70,000
Crude Oil Pipeline, Length, Miles |  |  |  |  |  |  |  |  | 350 |  |
Production, Barrels of Oil, Storage Capacity |  |  |  |  |  |  | 1,000,000 | 1,200,000 |  |  | 500,000
Production, Barrels of Oil, Leased Storage Capacity |  |  |  |  |  |  | 3,300,000 |  |  |  |
Production, Tons of Ammonia Per Day |  |  |  | 1,225 |  |  |  |  |  |  |
Production, Tons of Urea and Ammonium Nitrate Per Day |  |  |  | 2,025 |  |  |  |  |  |  |
Production, Cubic Feet of Hydrogen Per Day |  |  |  | 84,000,000 |  |  |  |  |  |  |
Production, Tons of Ammonia |  |  |  |  | 257,725 |  |  |  |  |  |
Production, Ammonia Upgraded into UAN, Percentage |  |  |  |  | 67.00% |  |  |  |  |  |
Production, Tons of UAN |  |  |  |  | 421,524 |  |  |  |  |  |
Expected future cost of planned maintenance |  |  |  |  |  | $ 5 |  |  |  | $ 102 |
Planned major maintenance frequency (in years) |  |  |  | 2 years |  |  |  |  |  |  |

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