Consolidated Statements of Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Statement [Abstract]
Net revenues	$ 11,852.2	$ 16,467.2	$ 19,801.0
Cost of sales:
Cost of materials and other	10,781.8	14,825.3	18,071.4
Operating expenses (excluding depreciation and amortization presented below)	763.8	770.6	718.1
Depreciation and amortization	349.7	322.8	263.8
Total cost of sales	11,895.3	15,918.7	19,053.3
Insurance proceeds	(20.6)	(20.3)	(31.2)
Operating expenses related to wholesale business (excluding depreciation and amortization presented below)	3.4	4.4	8.6
General and administrative expenses	252.8	272.0	313.7
Depreciation and amortization	24.8	16.7	11.2
Asset impairment	243.5	37.9	0.0
Other operating income, net	(55.5)	(6.9)	(12.1)
Total operating costs and expenses	12,343.7	16,222.5	19,343.5
Operating (loss) income	(491.5)	244.7	457.5
Interest expense, net	313.0	318.0	195.8
Income from equity method investments	(92.2)	(86.2)	(57.7)
Other income, net	(6.3)	(3.7)	(2.4)
Total non-operating expense, net	214.5	228.1	135.7
(Loss) income from continuing operations before income tax (benefit) expense	(706.0)	16.6	321.8
Income tax (benefit) expense	(107.9)	(3.0)	56.4
(Loss) income from continuing operations, net of tax	(598.1)	19.6	265.4
Discontinued operations:
Income from discontinued operations, including gain on sale of discontinued operations	105.9	35.2	32.6
Income tax expense	28.7	8.1	7.5
Income from discontinued operations, net of tax	77.2	27.1	25.1
Net (loss) income	(520.9)	46.7	290.5
Net income attributable to:
Non-controlling interests	39.5	26.9	33.4
Net (loss) income attributable to Delek	$ (560.4)	$ 19.8	$ 257.1
Basic (loss) income per share:
(Loss) income from continuing operations (in dollars per share)	$ (9.98)	$ (0.11)	$ 3.28
Income from discontinued operations (in dollars per share)	1.21	0.41	0.35
Total basic (loss) income per share (in dollars per share)	(8.77)	0.30	3.63
Diluted (loss) income per share:
Income (loss) from continuing operations (in dollars per share)	(9.98)	(0.11)	3.24
Income from discontinued operations (in dollars per share)	1.21	0.41	0.35
Total diluted (loss) income per share (in dollars per share)	$ (8.77)	$ 0.30	$ 3.59
Weighted average common shares outstanding:
Basic (in shares)	63,882,219	65,406,089	70,789,458
Diluted (in shares)	63,882,219	65,406,089	71,516,361