COMMITMENTS AND CONTINGENCIES (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Loss Contingencies [Line Items]
Environmental liability	$ 152.4	$ 155.8
Environmental liability, noncurrent	139.7	140.1
Environmental Issue \| Torrance Refinery
Loss Contingencies [Line Items]
Environmental liability	$ 110.6	$ 114.9

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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