v3.25.2
Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2025
Fair Value Disclosures [Abstract]  
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis
The fair value hierarchy for assets and liabilities measured at fair value at June 30, 2025, and December 31, 2024, is as follows:
Assets and Liabilities Measured at Fair Value on a Recurring Basis
At June 30,
2025
At December 31,
2024
(Millions of dollars)
 TotalLevel 1Level 2Level 3TotalLevel 1Level 2Level 3
Derivatives - not designated$194 $172 $22 $ $137 $127 $10 $— 
Derivatives - designated6 6   — — — — 
   Total Assets at Fair Value $200 $178 $22 $ $137 $127 $10 $— 
Derivatives - not designated257 180 77  136 47 89 — 
Derivatives - designated    17 17 — — 
   Total Liabilities at Fair Value$257 $180 $77 $ $153 $64 $89 $—