Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Statement [Abstract]
Revenues	$ 15,045.0	$ 24,468.9	$ 27,164.0
Cost and expenses:
Cost of products and other	14,548.2	21,667.7	24,744.6
Operating expenses (excluding depreciation and amortization expense as reflected below)	1,835.2	1,684.3	1,654.8
Depreciation and amortization expense	498.0	386.7	329.7
Cost of sales	16,881.4	23,738.7	26,729.1
General and administrative expenses (excluding depreciation and amortization expense as reflected below)	229.0	258.7	253.8
Depreciation and amortization expense	11.3	10.8	10.6
Change in fair value of contingent consideration	(79.3)	0.0	0.0
Impairment Expense	91.8	0.0	0.0
Equity income in investee	0.0	(7.9)	(17.8)
Gain on sale of assets	(477.8)	(29.9)	(43.1)
Total cost and expenses	16,656.4	23,970.4	26,932.6
Income (loss) from operations	(1,611.4)	498.5	231.4
Other income (expense):
Interest expense, net	(210.3)	(108.7)	(127.1)
Change in fair value of catalyst obligations	(11.8)	(9.7)	5.6
Debt extinguishment costs	(22.2)	0.0	0.0
Other non-service components of net periodic benefit cost	4.3	(0.2)	1.1
Income (loss) before income taxes	(1,851.4)	379.9	111.0
Income tax expense (benefit)	6.1	(8.3)	8.0
Net income (loss)	(1,857.5)	388.2	103.0
Less: net income (loss) attributable to noncontrolling interests	(0.3)	0.0	0.1
Net income (loss) attributable to PBF Holding Company LLC	$ (1,857.2)	$ 388.2	$ 102.9