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COMMITMENTS AND CONTINGENCIES (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Loss Contingencies [Line Items]    
Environmental liability $ 152.3 $ 150.6
Environmental liability, noncurrent 142.6 141.6
Environmental Issue | Torrance Refinery    
Loss Contingencies [Line Items]    
Environmental liability $ 110.0 $ 110.6