CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Statement [Abstract]
Net sales	$ 1,408.8	$ 2,279.9	$ 4,421.9	$ 7,267.7
Operating costs and expenses:
Cost of product sold (exclusive of depreciation and amortization)	1,076.7	2,066.7	3,342.5	6,332.6
Direct operating expenses (exclusive of depreciation and amortization)	145.8	136.8	372.7	380.3
Flood insurance recovery	0.0	0.0	(27.3)	0.0
Selling, general and administrative expenses (exclusive of depreciation and amortization)	26.1	31.8	78.5	86.2
Depreciation and amortization	38.7	37.8	123.2	113.7
Total operating costs and expenses	1,287.3	2,273.1	3,889.6	6,912.8
Operating income	121.5	6.8	532.3	354.9
Other income (expense):
Interest expense and other financing costs	(11.9)	(9.4)	(36.5)	(28.8)
Interest income	0.3	0.3	0.7	0.7
Gain (loss) on derivatives, net	11.8	25.7	(52.2)	171.1
Other income (expense), net	0.3	2.1	36.6	(0.1)
Total other income (expense)	0.5	18.7	(51.4)	142.9
Income before income taxes	122.0	25.5	480.9	497.8
Income tax expense	23.1	4.2	105.2	118.8
Net income	98.9	21.3	375.7	379.0
Less: Net income attributable to noncontrolling interest	41.0	13.4	161.1	160.7
Net income attributable to CVR Energy stockholders	$ 57.9	$ 7.9	$ 214.6	$ 218.3
Basic earnings per share (in dollars per share)	$ 0.67	$ 0.09	$ 2.47	$ 2.51
Diluted earnings per share (in dollars per share)	0.67	0.09	2.47	2.51
Dividends declared per share (in dollars per share)	$ 0.50	$ 2.75	$ 1.50	$ 4.25
Weighted-average common shares outstanding:
Basic (in shares)	86.8	86.8	86.8	86.8
Diluted (in shares)	86.8	86.8	86.8	86.8