v3.25.2
Fair Value of Financial Assets and Liabilities (Tables)
6 Months Ended
Jun. 30, 2025
Fair Value Disclosures [Abstract]  
Carrying Amount and Fair Value of Long-term Debt
June 30, 2025Dec. 31, 2024
(Millions of Dollars)Carrying AmountFair ValueCarrying AmountFair Value
Long-term debt, including current portion$1,646 $1,553 $1,406 $1,299