DERIVATIVES (Narrative) (Details) - bbl	Jun. 30, 2023	Dec. 31, 2022
Crude Oil and Feedstock Inventory | Fair Value Hedging
Derivative [Line Items]
Derivative, notional amount, volume	1,896,752	1,945,994
Intermediates and Refined Products Inventory | Fair Value Hedging
Derivative [Line Items]
Derivative, notional amount, volume	1,360,170	780,734
Crude Oil Commodity Contract | Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative, notional amount, volume	17,689,000	17,890,000
Refined Product Commodity Contract | Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative, notional amount, volume	11,686,400	12,175,200