Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (190.9)	$ (158.5)
Comprehensive income (loss)	(190.9)	(158.5)
Comprehensive income attributable to non-controlling interest	10.4	14.2
Comprehensive income (loss) attributable to Delek	$ (201.3)	$ (172.7)