v3.25.1
Fair Value Measurements - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Long-term debt gross $ 3,083.7   $ 2,816.4
Cash collateral 0.8   7.5
Delek Logistics 2028 Notes | Senior Notes      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Long-term debt gross 400.0   400.0
Delek Logistics 2028 Notes | Senior Notes | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value of debt 400.2   399.1
Delek Logistics 2029 Notes | Senior Notes      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Long-term debt gross 1,050.0   1,050.0
Delek Logistics 2029 Notes | Senior Notes | Level 1      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value of debt 1,088.7   $ 1,086.9
RINs commitment contracts      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Gains (losses) on RINs Obligations surplus or deficit $ (1.1) $ 0.0