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FAIR VALUE MEASUREMENTS (Tables)
3 Months Ended
Mar. 31, 2025
Fair Value Disclosures [Abstract]  
Schedule of Recurring Fair Value Measurements The following tables set forth our recurring fair value measurements as of the dates indicated:
March 31, 2025
Level 1Level 2Level 3Total - GrossNetting (a)Total - Net
(Millions of dollars)
Derivative assets
Commodity contracts$44 $37 $ $81 $(81)$ 
Total derivative assets$44 $37 $ $81 $(81)$ 
Derivative liabilities
Commodity contracts$(63)$(73)$ $(136)$130 $(6)
Total derivative liabilities$(63)$(73)$ $(136)$130 $(6)
(a) - Derivative assets and liabilities are presented in our Consolidated Balance Sheets on a net basis. We net derivative assets and liabilities when a legally enforceable master-netting arrangement exists between the counterparty to a derivative contract and us. At March 31, 2025, we held no cash and posted cash of $94 million with a counterparty, including $49 million of cash collateral that is offsetting derivative net liability positions under master-netting arrangements in the table above. The remaining $45 million of cash collateral in excess of derivative liability positions is included in other current assets in our Consolidated Balance Sheets.

December 31, 2024
Level 1Level 2Level 3Total - GrossNetting (a)Total - Net
(Millions of dollars)
Derivative assets
Commodity contracts$41 $34 $— $75 $(72)$
Total derivative assets$41 $34 $— $75 $(72)$
Derivative liabilities
Commodity contracts$(40)$(46)$— $(86)$81 $(5)
Total derivative liabilities$(40)$(46)$— $(86)$81 $(5)
(a) - Derivative assets and liabilities are presented in our Consolidated Balance Sheets on a net basis. We net derivative assets and liabilities when a legally enforceable master-netting arrangement exists between the counterparty to a derivative contract and us. At December 31, 2024, we held no cash and posted cash of $45 million with a counterparty, including $10 million of cash collateral that is offsetting derivative net liability positions under master-netting arrangements in the table above. The remaining $35 million of cash collateral in excess of derivative liability positions is included in other current assets in our Consolidated Balance Sheets.