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Derivative Financial Instruments - Additional Information (Details) bbl in Millions, $ in Millions | 3 Months Ended | 12 Months Ended
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Dec. 31, 2017 USD ($) derivative | Sep. 30, 2017 USD ($) | Jun. 30, 2017 USD ($) | Mar. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) derivative | Sep. 30, 2016 USD ($) | Jun. 30, 2016 USD ($) | Mar. 31, 2016 USD ($) | Dec. 31, 2017 USD ($) derivative bbl | Dec. 31, 2016 USD ($) derivative bbl | Dec. 31, 2015 USD ($) bbl
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |  |
Loss on derivatives, net | $ | $ (65.0) | $ (17.0) | $ 0.0 | $ 12.2 | $ (14.6) | $ (1.7) | $ (1.9) | $ (1.2) | $ (69.8) | $ (19.4) | $ (28.6)
Commodity derivatives | CVR Refining, LP |  |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |  |
Number of derivative instruments held | derivative | 0 |  |  |  | 0 |  |  |  | 0 | 0 |
Loss on derivatives, net | $ |  |  |  |  |  |  |  |  | $ (0.5) | $ (0.5) | 3.2
Not Designated as Hedging Instrument | 2-1-1 Crack Spreads | CVR Refining, LP |  |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |  |
Number of barrels |  |  |  |  |  |  |  |  | 7.1 |  |
Not Designated as Hedging Instrument | Distillate Crack Spreads | CVR Refining, LP |  |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |  |
Number of barrels |  |  |  |  |  |  |  |  | 3.6 |  |
Not Designated as Hedging Instrument | Gasoline Crack Spreads | CVR Refining, LP |  |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |  |
Number of barrels |  |  |  |  |  |  |  |  | 3.6 |  |
Not Designated as Hedging Instrument | Not Considered Probable of Settlement | CVR Refining, LP |  |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |  |
Number of barrels |  |  |  |  |  |  |  |  | 5.8 |  |
Not Designated as Hedging Instrument | Crack Spreads | CVR Refining, LP |  |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |  |
Number of barrels |  |  |  |  |  |  |  |  |  | 4.0 |
Not Designated as Hedging Instrument | Commodity swaps | CVR Refining, LP |  |  |  |  |  |  |  |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |  |
Loss on derivatives, net | $ |  |  |  |  |  |  |  |  | $ (69.3) | $ (18.9) | $ (36.4)
Number of barrels |  |  |  |  |  |  |  |  |  |  | 1.4
Net unrealized gain (loss) | $ | $ (64.3) |  |  |  | $ (11.1) |  |  |  | $ (64.3) | $ (11.1) |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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