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Undiscounted amounts due to PBF LLC Series A and PBF LLC Series B Unit holders in connection with the tax receivable agreement. Total amounts due represent 85% of cash tax savings due to an increased tax basis, and certain other tax benefits related to entering into the tax receivable agreement, including tax benefits attributable to payments under the tax receivable agreement.

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The term of the agreement. Agreement could be a lease, debt, arrangement, services agreement or other arrangement.

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Total costs accrued as of the balance sheet date for environmental loss contingencies.

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Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.

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Amount of liability recognized arising from contingent consideration in a business combination.

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COMMITMENTS AND CONTINGENCIES (Details) $ in Millions			12 Months Ended
COMMITMENTS AND CONTINGENCIES (Details) $ in Millions	Feb. 01, 2020 USD ($)	Mar. 03, 2014 ppm	Dec. 31, 2020 USD ($) ppm	Dec. 31, 2010 ppm	Dec. 31, 2019 USD ($)
Environmental Matters
Environmental liabilities			$ 151.9		$ 132.2
Environmental liabilities, Lont-Term			$ 140.5		$ 119.9
Applicable Federal and State Regulatory Requirements
Maximum amount of sulfur allowed in heating oil (in ppm) \| ppm		10	80
Tax Receivable Agreement [Abstract]
Percent of tax benefit received from increases in tax basis paid to stockholders			85.00%
Percentage of ownership in PBF LLC			100.00%
Payable to Related Parties, Tax Receivable Agreement			$ 0.0
Martinez Acquistion
Contingent Consideration
Term of Agreement	4 years
Business Combination, Contingent Consideration, Initial Estimate	$ 77.3
Business Combination, Contingent Consideration, Liability			$ 0.0
PBF Energy [Member] \| Class A Common Stock [Member]
Tax Receivable Agreement [Abstract]
Percentage of ownership in PBF LLC			99.20%		99.00%
Environmental Issue [Member] \| Torrance Refinery [Member]
Environmental Matters
Environmental liabilities			$ 113.7		$ 121.3
Accrual For Environmental Loss Contingencies, Expected Future Payments Over Next Five Years			$ 52.7
Executive [Member] \| Minimum [Member]
Employment Agreements
Potential lump sum payment as a multiple of base salary			1.50
Executive [Member] \| Maximum [Member]
Employment Agreements
Potential lump sum payment as a multiple of base salary			2.99
Northeastern States [Member] \| Environmental Issue [Member]
Applicable Federal and State Regulatory Requirements
Maximum amount of sulfur allowed in heating oil (in ppm) \| ppm				15
NEW YORK \| Environmental Issue [Member]
Applicable Federal and State Regulatory Requirements
Maximum amount of sulfur allowed in heating oil (in ppm) \| ppm				15