REVENUES (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Total Revenues	$ 8,372.8	$ 10,725.3	$ 25,735.8	$ 29,159.2
Deferred revenue	40.0		40.0		$ 63.6
Gasoline and distillates
Total Revenues	7,295.3	9,623.1	22,337.2	25,997.8
Asphalt and blackoils
Total Revenues	379.0	388.1	1,520.0	1,176.3
Feedstocks and other
Total Revenues	393.7	489.0	1,077.5	1,256.6
Chemicals
Total Revenues	199.9	158.7	519.6	473.1
Lubricants
Total Revenues	$ 104.9	$ 66.4	$ 281.5	$ 255.4