Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021		Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ 290.5	$ (95.3)	[1]	$ (573.8)	[1]
Other comprehensive income (loss):
Net loss related to commodity cash flow hedges	0.0	(0.2)	[2]	(1.3)	[2]
Income tax benefit	0.0	0.0	[2]	(0.3)	[2]
Comprehensive loss on commodity contracts designated as cash flow hedges, net of taxes	0.0	(0.2)	[2]	(1.0)	[2]
Foreign currency translation gain, net of taxes	0.0	0.0	[2]	0.6	[3]
Postretirement benefit plans:
Net actuarial gain (loss)	(1.9)	4.7	[2]	(8.9)	[2]
Amortization of net actuarial loss	0.0	0.0	[2]	0.1	[2]
Gain (loss) related to postretirement benefit plans, net	(1.9)	4.7	[2]	(8.8)	[2]
Income tax expense (benefit)	(0.5)	1.1	[2]	(1.9)	[2]
Net comprehensive gain (loss) on postretirement benefit plans	(1.4)	3.6	[3]	(6.9)	[3]
Total other comprehensive loss	(1.4)	3.4	[2]	(7.3)	[2]
Comprehensive income (loss)	289.1	(91.9)	[2]	(581.1)	[2]
Comprehensive income attributable to non-controlling interest	33.4	33.0	[2]	37.6	[2]
Comprehensive income (loss) attributable to Delek	$ 255.7	$ (124.9)	[2]	$ (618.7)	[2]

[1] Adjusted to reflect the retrospective change in accounting policy from LIFO to FIFO for certain inventories. See Note 8 for further discussion.

[2] Adjusted to reflect the retrospective change in accounting policy from LIFO to FIFO for certain inventories. See Note 8 for further discussion.

[3] Adjusted to reflect the retrospective change in accounting policy from LIFO to FIFO for certain inventories. See Note 8 for further discussion.