v3.25.2
Fair value by balance sheet grouping table (Tables)
6 Months Ended
Jun. 30, 2025
Fair Value Disclosures [Abstract]  
Schedule of Carrying Values and Estimated Fair Values of Debt Instruments The carrying amount and fair value of our total debt is as follows:
June 30, 2025
December 31, 2024
Millions of dollars
Level 1
Level 2
Total fair
value
Carrying
value
Level 1
Level 2
Total fair
value
Carrying
value
Total debt
$7,044
$357
$7,401
$7,544
$4,503
$2,825
$7,328
$7,541