v3.25.4
Cash Flow Information
12 Months Ended
Dec. 31, 2025
Supplemental Cash Flow Information [Abstract]  
Cash Flow Information
Note 17—Cash Flow Information
Millions of Dollars
202520242023
Noncash Investing and Financing Activities
Increase (decrease) in PP&E related to an increase (decrease) in asset retirement obligations, excluding acquisitions$12 268 727 
Fair value of contingent consideration on acquisition — 320 
Cash Payments
Interest757 806 701 
Income Taxes
Federal taxes1,077 296 757 
Foreign taxes
Norway1,758 1,580 2,758 
Libya1,461 1,280 1,317 
Other foreign374 304 349 
State taxes152 161 225 
Total income taxes$4,822 3,621 5,406 
Net Sales (Purchases) of Investments
Short-term investments purchased$(1,249)(2,606)(1,463)
Short-term investments sold1,751 3,567 3,574 
Long-term Investments purchased(861)(747)(867)
Long-term Investments sold304 201 129 
Total sales (purchases) of investments$(55)415 1,373 
The following items are included in the "Cash flows from operating activities" section of our consolidated cash flows.

In 2025, we made a total of $116 million in contributions to our U.S. qualified pension plan.
For additional information on cash and non-cash changes to our consolidated balance sheet, see Note 3 and Note 11 for our acquisition of Marathon Oil and acquisition of the remaining working interest in Surmont.