Condensed Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Revenues	$ 7,173.3	$ 3,649.2	$ 18,969.7	$ 11,408.3
Cost and expenses:
Cost of products and other	6,445.8	3,446.1	16,880.7	11,300.3
Operating expenses (excluding depreciation and amortization expense as reflected below)	507.6	452.4	1,430.1	1,383.6
Depreciation and amortization expense	103.0	115.9	310.0	332.4
Cost of sales	7,056.4	4,014.4	18,620.8	13,016.3
General and administrative expenses (excluding depreciation and amortization expense as reflected below)	59.7	42.0	150.5	173.5
Depreciation and amortization expense	3.4	2.7	10.1	8.4
Change in fair value of contingent consideration	(0.7)	(13.9)	23.6	(79.3)
Loss (gain) on sale of assets	0.2	1.7	(0.4)	(469.4)
Total cost and expenses	7,119.0	4,046.9	18,804.6	12,649.5
Income (loss) from operations	54.3	(397.7)	165.1	(1,241.2)
Other income (expense):
Interest expense, net	(71.5)	(59.0)	(211.0)	(148.3)
Change in fair value of catalyst obligations	17.8	(2.4)	13.6	4.2
Gain (loss) on extinguishment of debt	60.3	0.0	60.3	(22.2)
Other non-service components of net periodic benefit cost	2.0	1.1	5.9	3.2
Income (loss) before income taxes	62.9	(458.0)	33.9	(1,404.3)
Income tax (benefit) expense	(2.0)	(1.2)	(16.9)	8.6
Net income (loss)	64.9	(456.8)	50.8	(1,412.9)
Less: net income (loss) attributable to noncontrolling interests	(0.1)	(0.1)	2.3	(0.1)
Net income (loss) attributable to PBF Holding Company LLC	$ 65.0	$ (456.7)	$ 48.5	$ (1,412.8)