RELATED PARTY TRANSACTIONS (Summary of Transactions with PBFX) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
Accounts receivable	$ 1,141.0	$ 1,336.1
Accrued expenses	2,465.3	2,968.0
PBF Logistics LP
Related Party Transaction [Line Items]
Accounts receivable	6.3
Accrued expenses	39.6
General and Administrative Expense \| Services Agreement \| PBF Logistics LP
Related Party Transaction [Line Items]
Total expenses under affiliate agreements	8.7	8.7	$ 8.7
General and Administrative Expense \| Omnibus Agreement \| PBF Logistics LP
Related Party Transaction [Line Items]
Total expenses under affiliate agreements	5.8	7.9	8.3
Cost of Sales [Member] \| PBF Logistics LP
Related Party Transaction [Line Items]
Total expenses under affiliate agreements	$ (349.4)	$ (347.8)	$ (319.6)

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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