DERIVATIVES (Gain (Loss) Recognized in Income) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 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	$ (16,600,000)	$ 17,700,000	$ (25,100,000)	$ 21,100,000
Commodity contracts | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain or (Loss) Recognized in Income on Derivatives	(28,500,000)	28,600,000	9,700,000	(23,500,000)
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	$ 16,600,000	$ (17,700,000)	$ 25,100,000	$ (21,100,000)