DERIVATIVES (Gain (Loss) Recognized in Income) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Fair Value Hedge Ineffectiveness, Net	$ 0	$ 0	$ 0	$ 0
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of Revenue	Cost of Revenue	Cost of Revenue	Cost of Revenue
Derivatives included within inventory intermediation agreement obligations | Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) Recognized in Income on Derivatives	$ (12,700,000)	$ (37,300,000)	$ (8,500,000)	$ 3,400,000
Commodity contracts | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) Recognized in Income on Derivatives	23,300,000	(25,200,000)	38,100,000	(52,100,000)
Intermediates and Refined Products Inventory | Designated as Hedging Instrument | Fair Value Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) Recognized in Income on Derivatives	$ 12,700,000	$ 37,300,000	$ 8,500,000	$ (3,400,000)