REVENUES (Schedule of Revenue from External Customers) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Product Information [Line Items]
Revenues	$ 46,780.6	$ 27,202.0	$ 15,045.0
Deferred revenue	37.5	40.3
Gasoline and distillates
Product Information [Line Items]
Revenues	41,465.0	23,489.5	12,799.4
Asphalt and blackoils
Product Information [Line Items]
Revenues	2,123.8	1,217.8	777.9
Feedstocks and other
Product Information [Line Items]
Revenues	1,863.0	1,310.1	935.5
Chemicals
Product Information [Line Items]
Revenues	903.8	889.8	351.5
Lubricants
Product Information [Line Items]
Revenues	$ 425.0	$ 294.8	$ 180.7