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Debt Narrative - Debt and Credit Facilities - Energy (Details) - Energy Segment [Member] - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jun. 10, 2016 | Sep. 30, 2016 | Sep. 30, 2016 | Apr. 13, 2011
CVR Refining Credit Facility [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility borrowing capacity |  | $ 323 | $ 323 |
Letters of credit outstanding amount |  | 28 | 28 |
Line of credit facility amount outstanding |  | 0 | 0 |
CVR Partners 2011 Credit Facility [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility amount outstanding |  | 0 | 0 |
Debt |  |  |  | $ 125
CVR Partners 2023 Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt | $ 645 |  |  |
Interest rate | 9.25% |  |  |
Discount on debt | $ 16 |  |  |
Proceeds from issuance of debt | 623 |  |  |
CVR Nitrogen 2021 Notes [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt | $ 320 | 4 | 4 |
Interest rate | 6.50% |  |  |
Face value of repurchased debt | $ 315 |  |  |
Amount paid for repurchased debt | 320 |  |  |
Premium paid on repurchased debt | 5 |  |  |
Interest paid on repurchased debt | $ 3 |  |  |
Loss on extinguishment of debt |  | (5) | (5) |
CVR Partners 2016 Credit Facility [Member] |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility borrowing capacity |  | 50 | 50 |
Additional borrowing availability |  |  | 25 |
Line of credit facility unused borrowing availability |  | 48 | 48 |
Line of credit facility amount outstanding |  | $ 0 | $ 0 |

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