Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021		Sep. 30, 2022	Sep. 30, 2021	[1]
Income Statement [Abstract]
Net revenues	$ 5,324.9	$ 2,956.5	[1]	$ 15,766.6	$ 7,540.2
Cost of sales:
Cost of materials and other	4,916.0	2,678.0	[1]	14,151.1	6,811.4
Operating expenses (excluding depreciation and amortization presented below)	198.2	102.4	[1]	526.2	363.1
Depreciation and amortization	66.5	55.6	[1]	192.0	178.4
Total cost of sales	5,180.7	2,836.0	[1]	14,869.3	7,352.9
Operating expenses related to retail and wholesale business (excluding depreciation and amortization presented below)	28.2	26.1	[1]	89.6	86.9
General and administrative expenses	62.4	53.0	[1]	242.0	147.6
Depreciation and amortization	6.4	5.2	[1]	17.2	17.2
Other operating income, net	(5.8)	(1.7)	[1]	(44.5)	(4.7)
Total operating costs and expenses	5,271.9	2,918.6	[1]	15,173.6	7,599.9
Operating income (loss)	53.0	37.9	[1]	593.0	(59.7)
Interest expense, net	50.7	37.5	[1]	132.7	100.0
Income from equity method investments	(17.8)	(2.9)	[1]	(44.4)	(14.5)	[2]
Other income, net	(0.7)	(21.8)	[1]	(3.0)	(16.0)
Total non-operating expense, net	32.2	12.8	[1]	85.3	69.5
Income (loss) before income tax expense (benefit)	20.8	25.1	[1]	507.7	(129.2)
Income tax expense (benefit)	4.0	4.5	[1]	107.5	(39.0)
Net income (loss)	16.8	20.6	[3]	400.2	(90.2)
Net income attributed to non-controlling interests	9.4	8.8	[1],[4]	24.4	24.7	[4]
Net income (loss) attributable to Delek	$ 7.4	$ 11.8	[1]	$ 375.8	$ (114.9)
Basic income (loss ) per share (USD per Share)	$ 0.11	$ 0.16	[1]	$ 5.26	$ (1.55)
Diluted income (loss) per share (USD per share)	$ 0.10	$ 0.16	[1]	$ 5.21	$ (1.55)

[1] Adjusted to reflect the retrospective change in accounting policy from LIFO to FIFO for certain inventories. See Note 7 for further discussion.

[2] Adjusted to reflect the retrospective change in accounting policy from LIFO to FIFO for certain inventories. See Note 7 for further discussion.

[3] Adjusted to reflect the retrospective change in accounting policy from LIFO to FIFO for certain inventories. See Note 7 for further discussion.

[4] Adjusted to reflect the retrospective change in accounting policy from LIFO to FIFO for certain inventories. See Note 7 for further discussion.